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drunkwater

# @filename           :  leetcode
# @author             :  Copyright (C) drunkwater
# @date               :  Tue Jan 16 12:59:51 HKT 2018
# @function           :  
# @see                :  
# @require            :  
/*
# @filename           :  leetcode
# @author             :  Copyright (C) drunkwater
# @date               :  Tue Jan 16 12:59:51 HKT 2018
# @function           :  
# @see                :  
# @require            :  
*/

code refactoring

You can run bash code_refactoring.bash to reset the whole leetcode project.

clone leetcode

c/c++ full answers and solutions of leetcode on Linux.

leetcode, solutions, answers, c, cpp, full tested.

git clone https://github.com/drunkwater/leetcode.git --depth=1

C and C++ solutions on leetcode

https://leetcode.com/

Date

Sat Apr 21 22:15:27 China Standard Time 2018

Solutions Table

# leetcode Title C C# C++ Go Java JavaScript Kotlin Python Python3 Ruby Scala Swift Difficulty
1 two-sum C C# C++ Go Java JavaScript Kotlin Python Python3 Ruby Scala Swift easy
7 reverse-integer C C# C++ Go Java JavaScript Kotlin Python Python3 Ruby Scala Swift easy
9 palindrome-number C C# C++ Go Java JavaScript Kotlin Python Python3 Ruby Scala Swift easy
13 roman-to-integer C C# C++ Go Java JavaScript Kotlin Python Python3 Ruby Scala Swift easy
14 longest-common-prefix C C# C++ Go Java JavaScript Kotlin Python Python3 Ruby Scala Swift easy
20 valid-parentheses C C# C++ Go Java JavaScript Kotlin Python Python3 Ruby Scala Swift easy
21 merge-two-sorted-lists C C# C++ Go Java JavaScript Kotlin Python Python3 Ruby Scala Swift easy
26 remove-duplicates-from-sorted-array C C# C++ Go Java JavaScript Kotlin Python Python3 Ruby Scala Swift easy
27 remove-element C C# C++ Go Java JavaScript Kotlin Python Python3 Ruby Scala Swift easy
28 implement-strstr C C# C++ Go Java JavaScript Kotlin Python Python3 Ruby Scala Swift easy
35 search-insert-position C C# C++ Go Java JavaScript Kotlin Python Python3 Ruby Scala Swift easy
38 count-and-say C C# C++ Go Java JavaScript Kotlin Python Python3 Ruby Scala Swift easy
53 maximum-subarray C C# C++ Go Java JavaScript Kotlin Python Python3 Ruby Scala Swift easy
58 length-of-last-word C C# C++ Go Java JavaScript Kotlin Python Python3 Ruby Scala Swift easy
66 plus-one C C# C++ Go Java JavaScript Kotlin Python Python3 Ruby Scala Swift easy
67 add-binary C C# C++ Go Java JavaScript Kotlin Python Python3 Ruby Scala Swift easy
69 sqrtx C C# C++ Go Java JavaScript Kotlin Python Python3 Ruby Scala Swift easy
70 climbing-stairs C C# C++ Go Java JavaScript Kotlin Python Python3 Ruby Scala Swift easy
83 remove-duplicates-from-sorted-list C C# C++ Go Java JavaScript Kotlin Python Python3 Ruby Scala Swift easy
88 merge-sorted-array C C# C++ Go Java JavaScript Kotlin Python Python3 Ruby Scala Swift easy
100 same-tree C C# C++ Go Java JavaScript Kotlin Python Python3 Ruby Scala Swift easy
101 symmetric-tree C C# C++ Go Java JavaScript Kotlin Python Python3 Ruby Scala Swift easy
104 maximum-depth-of-binary-tree C C# C++ Go Java JavaScript Kotlin Python Python3 Ruby Scala Swift easy
107 binary-tree-level-order-traversal-ii C C# C++ Go Java JavaScript Kotlin Python Python3 Ruby Scala Swift easy
108 convert-sorted-array-to-binary-search-tree C C# C++ Go Java JavaScript Kotlin Python Python3 Ruby Scala Swift easy
110 balanced-binary-tree C C# C++ Go Java JavaScript Kotlin Python Python3 Ruby Scala Swift easy
111 minimum-depth-of-binary-tree C C# C++ Go Java JavaScript Kotlin Python Python3 Ruby Scala Swift easy
112 path-sum C C# C++ Go Java JavaScript Kotlin Python Python3 Ruby Scala Swift easy
118 pascals-triangle C C# C++ Go Java JavaScript Kotlin Python Python3 Ruby Scala Swift easy
119 pascals-triangle-ii C C# C++ Go Java JavaScript Kotlin Python Python3 Ruby Scala Swift easy
121 best-time-to-buy-and-sell-stock C C# C++ Go Java JavaScript Kotlin Python Python3 Ruby Scala Swift easy
122 best-time-to-buy-and-sell-stock-ii C C# C++ Go Java JavaScript Kotlin Python Python3 Ruby Scala Swift easy
125 valid-palindrome C C# C++ Go Java JavaScript Kotlin Python Python3 Ruby Scala Swift easy
136 single-number C C# C++ Go Java JavaScript Kotlin Python Python3 Ruby Scala Swift easy
141 linked-list-cycle C C# C++ Go Java JavaScript Kotlin Python Python3 Ruby Scala Swift easy
155 min-stack C C# C++ Go Java JavaScript Kotlin Python Python3 Ruby Scala Swift easy
157 read-n-characters-given-read4 C C# C++ Go Java JavaScript Kotlin Python Python3 Ruby Scala Swift easy
160 intersection-of-two-linked-lists C C# C++ Go Java JavaScript Kotlin Python Python3 Ruby Scala Swift easy
167 two-sum-ii-input-array-is-sorted C C# C++ Go Java JavaScript Kotlin Python Python3 Ruby Scala Swift easy
168 excel-sheet-column-title C C# C++ Go Java JavaScript Kotlin Python Python3 Ruby Scala Swift easy
169 majority-element C C# C++ Go Java JavaScript Kotlin Python Python3 Ruby Scala Swift easy
170 two-sum-iii-data-structure-design C C# C++ Go Java JavaScript Kotlin Python Python3 Ruby Scala Swift easy
171 excel-sheet-column-number C C# C++ Go Java JavaScript Kotlin Python Python3 Ruby Scala Swift easy
172 factorial-trailing-zeroes C C# C++ Go Java JavaScript Kotlin Python Python3 Ruby Scala Swift easy
189 rotate-array C C# C++ Go Java JavaScript Kotlin Python Python3 Ruby Scala Swift easy
190 reverse-bits C C# C++ Go Java JavaScript Kotlin Python Python3 Ruby Scala Swift easy
191 number-of-1-bits C C# C++ Go Java JavaScript Kotlin Python Python3 Ruby Scala Swift easy
198 house-robber C C# C++ Go Java JavaScript Kotlin Python Python3 Ruby Scala Swift easy
202 happy-number C C# C++ Go Java JavaScript Kotlin Python Python3 Ruby Scala Swift easy
203 remove-linked-list-elements C C# C++ Go Java JavaScript Kotlin Python Python3 Ruby Scala Swift easy
204 count-primes C C# C++ Go Java JavaScript Kotlin Python Python3 Ruby Scala Swift easy
205 isomorphic-strings C C# C++ Go Java JavaScript Kotlin Python Python3 Ruby Scala Swift easy
206 reverse-linked-list C C# C++ Go Java JavaScript Kotlin Python Python3 Ruby Scala Swift easy
217 contains-duplicate C C# C++ Go Java JavaScript Kotlin Python Python3 Ruby Scala Swift easy
219 contains-duplicate-ii C C# C++ Go Java JavaScript Kotlin Python Python3 Ruby Scala Swift easy
225 implement-stack-using-queues C C# C++ Go Java JavaScript Kotlin Python Python3 Ruby Scala Swift easy
226 invert-binary-tree C C# C++ Go Java JavaScript Kotlin Python Python3 Ruby Scala Swift easy
231 power-of-two C C# C++ Go Java JavaScript Kotlin Python Python3 Ruby Scala Swift easy
232 implement-queue-using-stacks C C# C++ Go Java JavaScript Kotlin Python Python3 Ruby Scala Swift easy
234 palindrome-linked-list C C# C++ Go Java JavaScript Kotlin Python Python3 Ruby Scala Swift easy
235 lowest-common-ancestor-of-a-binary-search-tree C C# C++ Go Java JavaScript Kotlin Python Python3 Ruby Scala Swift easy
237 delete-node-in-a-linked-list C C# C++ Go Java JavaScript Kotlin Python Python3 Ruby Scala Swift easy
242 valid-anagram C C# C++ Go Java JavaScript Kotlin Python Python3 Ruby Scala Swift easy
243 shortest-word-distance C C# C++ Go Java JavaScript Kotlin Python Python3 Ruby Scala Swift easy
246 strobogrammatic-number C C# C++ Go Java JavaScript Kotlin Python Python3 Ruby Scala Swift easy
252 meeting-rooms C C# C++ Go Java JavaScript Kotlin Python Python3 Ruby Scala Swift easy
256 paint-house C C# C++ Go Java JavaScript Kotlin Python Python3 Ruby Scala Swift easy
257 binary-tree-paths C C# C++ Go Java JavaScript Kotlin Python Python3 Ruby Scala Swift easy
258 add-digits C C# C++ Go Java JavaScript Kotlin Python Python3 Ruby Scala Swift easy
263 ugly-number C C# C++ Go Java JavaScript Kotlin Python Python3 Ruby Scala Swift easy
266 palindrome-permutation C C# C++ Go Java JavaScript Kotlin Python Python3 Ruby Scala Swift easy
268 missing-number C C# C++ Go Java JavaScript Kotlin Python Python3 Ruby Scala Swift easy
270 closest-binary-search-tree-value C C# C++ Go Java JavaScript Kotlin Python Python3 Ruby Scala Swift easy
276 paint-fence C C# C++ Go Java JavaScript Kotlin Python Python3 Ruby Scala Swift easy
278 first-bad-version C C# C++ Go Java JavaScript Kotlin Python Python3 Ruby Scala Swift easy
283 move-zeroes C C# C++ Go Java JavaScript Kotlin Python Python3 Ruby Scala Swift easy
290 word-pattern C C# C++ Go Java JavaScript Kotlin Python Python3 Ruby Scala Swift easy
292 nim-game C C# C++ Go Java JavaScript Kotlin Python Python3 Ruby Scala Swift easy
293 flip-game C C# C++ Go Java JavaScript Kotlin Python Python3 Ruby Scala Swift easy
303 range-sum-query-immutable C C# C++ Go Java JavaScript Kotlin Python Python3 Ruby Scala Swift easy
326 power-of-three C C# C++ Go Java JavaScript Kotlin Python Python3 Ruby Scala Swift easy
339 nested-list-weight-sum C C# C++ Go Java JavaScript Kotlin Python Python3 Ruby Scala Swift easy
342 power-of-four C C# C++ Go Java JavaScript Kotlin Python Python3 Ruby Scala Swift easy
344 reverse-string C C# C++ Go Java JavaScript Kotlin Python Python3 Ruby Scala Swift easy
345 reverse-vowels-of-a-string C C# C++ Go Java JavaScript Kotlin Python Python3 Ruby Scala Swift easy
346 moving-average-from-data-stream C C# C++ Go Java JavaScript Kotlin Python Python3 Ruby Scala Swift easy
349 intersection-of-two-arrays C C# C++ Go Java JavaScript Kotlin Python Python3 Ruby Scala Swift easy
350 intersection-of-two-arrays-ii C C# C++ Go Java JavaScript Kotlin Python Python3 Ruby Scala Swift easy
359 logger-rate-limiter C C# C++ Go Java JavaScript Kotlin Python Python3 Ruby Scala Swift easy
367 valid-perfect-square C C# C++ Go Java JavaScript Kotlin Python Python3 Ruby Scala Swift easy
371 sum-of-two-integers C C# C++ Go Java JavaScript Kotlin Python Python3 Ruby Scala Swift easy
374 guess-number-higher-or-lower C C# C++ Go Java JavaScript Kotlin Python Python3 Ruby Scala Swift easy
383 ransom-note C C# C++ Go Java JavaScript Kotlin Python Python3 Ruby Scala Swift easy
387 first-unique-character-in-a-string C C# C++ Go Java JavaScript Kotlin Python Python3 Ruby Scala Swift easy
389 find-the-difference C C# C++ Go Java JavaScript Kotlin Python Python3 Ruby Scala Swift easy
400 nth-digit C C# C++ Go Java JavaScript Kotlin Python Python3 Ruby Scala Swift easy
401 binary-watch C C# C++ Go Java JavaScript Kotlin Python Python3 Ruby Scala Swift easy
404 sum-of-left-leaves C C# C++ Go Java JavaScript Kotlin Python Python3 Ruby Scala Swift easy
405 convert-a-number-to-hexadecimal C C# C++ Go Java JavaScript Kotlin Python Python3 Ruby Scala Swift easy
408 valid-word-abbreviation C C# C++ Go Java JavaScript Kotlin Python Python3 Ruby Scala Swift easy
409 longest-palindrome C C# C++ Go Java JavaScript Kotlin Python Python3 Ruby Scala Swift easy
412 fizz-buzz C C# C++ Go Java JavaScript Kotlin Python Python3 Ruby Scala Swift easy
414 third-maximum-number C C# C++ Go Java JavaScript Kotlin Python Python3 Ruby Scala Swift easy
415 add-strings C C# C++ Go Java JavaScript Kotlin Python Python3 Ruby Scala Swift easy
422 valid-word-square C C# C++ Go Java JavaScript Kotlin Python Python3 Ruby Scala Swift easy
434 number-of-segments-in-a-string C C# C++ Go Java JavaScript Kotlin Python Python3 Ruby Scala Swift easy
437 path-sum-iii C C# C++ Go Java JavaScript Kotlin Python Python3 Ruby Scala Swift easy
438 find-all-anagrams-in-a-string C C# C++ Go Java JavaScript Kotlin Python Python3 Ruby Scala Swift easy
441 arranging-coins C C# C++ Go Java JavaScript Kotlin Python Python3 Ruby Scala Swift easy
443 string-compression C C# C++ Go Java JavaScript Kotlin Python Python3 Ruby Scala Swift easy
447 number-of-boomerangs C C# C++ Go Java JavaScript Kotlin Python Python3 Ruby Scala Swift easy
448 find-all-numbers-disappeared-in-an-array C C# C++ Go Java JavaScript Kotlin Python Python3 Ruby Scala Swift easy
453 minimum-moves-to-equal-array-elements C C# C++ Go Java JavaScript Kotlin Python Python3 Ruby Scala Swift easy
455 assign-cookies C C# C++ Go Java JavaScript Kotlin Python Python3 Ruby Scala Swift easy
459 repeated-substring-pattern C C# C++ Go Java JavaScript Kotlin Python Python3 Ruby Scala Swift easy
461 hamming-distance C C# C++ Go Java JavaScript Kotlin Python Python3 Ruby Scala Swift easy
463 island-perimeter C C# C++ Go Java JavaScript Kotlin Python Python3 Ruby Scala Swift easy
475 heaters C C# C++ Go Java JavaScript Kotlin Python Python3 Ruby Scala Swift easy
476 number-complement C C# C++ Go Java JavaScript Kotlin Python Python3 Ruby Scala Swift easy
479 largest-palindrome-product C C# C++ Go Java JavaScript Kotlin Python Python3 Ruby Scala Swift easy
482 license-key-formatting C C# C++ Go Java JavaScript Kotlin Python Python3 Ruby Scala Swift easy
485 max-consecutive-ones C C# C++ Go Java JavaScript Kotlin Python Python3 Ruby Scala Swift easy
492 construct-the-rectangle C C# C++ Go Java JavaScript Kotlin Python Python3 Ruby Scala Swift easy
496 next-greater-element-i C C# C++ Go Java JavaScript Kotlin Python Python3 Ruby Scala Swift easy
500 keyboard-row C C# C++ Go Java JavaScript Kotlin Python Python3 Ruby Scala Swift easy
501 find-mode-in-binary-search-tree C C# C++ Go Java JavaScript Kotlin Python Python3 Ruby Scala Swift easy
504 base-7 C C# C++ Go Java JavaScript Kotlin Python Python3 Ruby Scala Swift easy
506 relative-ranks C C# C++ Go Java JavaScript Kotlin Python Python3 Ruby Scala Swift easy
507 perfect-number C C# C++ Go Java JavaScript Kotlin Python Python3 Ruby Scala Swift easy
520 detect-capital C C# C++ Go Java JavaScript Kotlin Python Python3 Ruby Scala Swift easy
521 longest-uncommon-subsequence-i C C# C++ Go Java JavaScript Kotlin Python Python3 Ruby Scala Swift easy
530 minimum-absolute-difference-in-bst C C# C++ Go Java JavaScript Kotlin Python Python3 Ruby Scala Swift easy
532 k-diff-pairs-in-an-array C C# C++ Go Java JavaScript Kotlin Python Python3 Ruby Scala Swift easy
538 convert-bst-to-greater-tree C C# C++ Go Java JavaScript Kotlin Python Python3 Ruby Scala Swift easy
541 reverse-string-ii C C# C++ Go Java JavaScript Kotlin Python Python3 Ruby Scala Swift easy
543 diameter-of-binary-tree C C# C++ Go Java JavaScript Kotlin Python Python3 Ruby Scala Swift easy
551 student-attendance-record-i C C# C++ Go Java JavaScript Kotlin Python Python3 Ruby Scala Swift easy
557 reverse-words-in-a-string-iii C C# C++ Go Java JavaScript Kotlin Python Python3 Ruby Scala Swift easy
561 array-partition-i C C# C++ Go Java JavaScript Kotlin Python Python3 Ruby Scala Swift easy
563 binary-tree-tilt C C# C++ Go Java JavaScript Kotlin Python Python3 Ruby Scala Swift easy
566 reshape-the-matrix C C# C++ Go Java JavaScript Kotlin Python Python3 Ruby Scala Swift easy
572 subtree-of-another-tree C C# C++ Go Java JavaScript Kotlin Python Python3 Ruby Scala Swift easy
575 distribute-candies C C# C++ Go Java JavaScript Kotlin Python Python3 Ruby Scala Swift easy
581 shortest-unsorted-continuous-subarray C C# C++ Go Java JavaScript Kotlin Python Python3 Ruby Scala Swift easy
594 longest-harmonious-subsequence C C# C++ Go Java JavaScript Kotlin Python Python3 Ruby Scala Swift easy
598 range-addition-ii C C# C++ Go Java JavaScript Kotlin Python Python3 Ruby Scala Swift easy
599 minimum-index-sum-of-two-lists C C# C++ Go Java JavaScript Kotlin Python Python3 Ruby Scala Swift easy
604 design-compressed-string-iterator C C# C++ Go Java JavaScript Kotlin Python Python3 Ruby Scala Swift easy
605 can-place-flowers C C# C++ Go Java JavaScript Kotlin Python Python3 Ruby Scala Swift easy
606 construct-string-from-binary-tree C C# C++ Go Java JavaScript Kotlin Python Python3 Ruby Scala Swift easy
617 merge-two-binary-trees C C# C++ Go Java JavaScript Kotlin Python Python3 Ruby Scala Swift easy
624 maximum-distance-in-arrays C C# C++ Go Java JavaScript Kotlin Python Python3 Ruby Scala Swift easy
628 maximum-product-of-three-numbers C C# C++ Go Java JavaScript Kotlin Python Python3 Ruby Scala Swift easy
633 sum-of-square-numbers C C# C++ Go Java JavaScript Kotlin Python Python3 Ruby Scala Swift easy
637 average-of-levels-in-binary-tree C C# C++ Go Java JavaScript Kotlin Python Python3 Ruby Scala Swift easy
643 maximum-average-subarray-i C C# C++ Go Java JavaScript Kotlin Python Python3 Ruby Scala Swift easy
645 set-mismatch C C# C++ Go Java JavaScript Kotlin Python Python3 Ruby Scala Swift easy
653 two-sum-iv-input-is-a-bst C C# C++ Go Java JavaScript Kotlin Python Python3 Ruby Scala Swift easy
657 judge-route-circle C C# C++ Go Java JavaScript Kotlin Python Python3 Ruby Scala Swift easy
661 image-smoother C C# C++ Go Java JavaScript Kotlin Python Python3 Ruby Scala Swift easy
665 non-decreasing-array C C# C++ Go Java JavaScript Kotlin Python Python3 Ruby Scala Swift easy
669 trim-a-binary-search-tree C C# C++ Go Java JavaScript Kotlin Python Python3 Ruby Scala Swift easy
671 second-minimum-node-in-a-binary-tree C C# C++ Go Java JavaScript Kotlin Python Python3 Ruby Scala Swift easy
674 longest-continuous-increasing-subsequence C C# C++ Go Java JavaScript Kotlin Python Python3 Ruby Scala Swift easy
680 valid-palindrome-ii C C# C++ Go Java JavaScript Kotlin Python Python3 Ruby Scala Swift easy
682 baseball-game C C# C++ Go Java JavaScript Kotlin Python Python3 Ruby Scala Swift easy
686 repeated-string-match C C# C++ Go Java JavaScript Kotlin Python Python3 Ruby Scala Swift easy
687 longest-univalue-path C C# C++ Go Java JavaScript Kotlin Python Python3 Ruby Scala Swift easy
690 employee-importance C C# C++ Go Java JavaScript Kotlin Python Python3 Ruby Scala Swift easy
693 binary-number-with-alternating-bits C C# C++ Go Java JavaScript Kotlin Python Python3 Ruby Scala Swift easy
695 max-area-of-island C C# C++ Go Java JavaScript Kotlin Python Python3 Ruby Scala Swift easy
696 count-binary-substrings C C# C++ Go Java JavaScript Kotlin Python Python3 Ruby Scala Swift easy
697 degree-of-an-array C C# C++ Go Java JavaScript Kotlin Python Python3 Ruby Scala Swift easy
717 1-bit-and-2-bit-characters C C# C++ Go Java JavaScript Kotlin Python Python3 Ruby Scala Swift easy
720 longest-word-in-dictionary C C# C++ Go Java JavaScript Kotlin Python Python3 Ruby Scala Swift easy
724 find-pivot-index C C# C++ Go Java JavaScript Kotlin Python Python3 Ruby Scala Swift easy
728 self-dividing-numbers C C# C++ Go Java JavaScript Kotlin Python Python3 Ruby Scala Swift easy
733 flood-fill C C# C++ Go Java JavaScript Kotlin Python Python3 Ruby Scala Swift easy
734 sentence-similarity C C# C++ Go Java JavaScript Kotlin Python Python3 Ruby Scala Swift easy
744 find-smallest-letter-greater-than-target C C# C++ Go Java JavaScript Kotlin Python Python3 Ruby Scala Swift easy
746 min-cost-climbing-stairs C C# C++ Go Java JavaScript Kotlin Python Python3 Ruby Scala Swift easy
747 largest-number-at-least-twice-of-others C C# C++ Go Java JavaScript Kotlin Python Python3 Ruby Scala Swift easy
751 ip-to-cidr C C# C++ Go Java JavaScript Kotlin Python Python3 Ruby Scala Swift easy
758 bold-words-in-string C C# C++ Go Java JavaScript Kotlin Python Python3 Ruby Scala Swift easy
760 find-anagram-mappings C C# C++ Go Java JavaScript Kotlin Python Python3 Ruby Scala Swift easy
762 prime-number-of-set-bits-in-binary-representation C C# C++ Go Java JavaScript Kotlin Python Python3 Ruby Scala Swift easy
766 toeplitz-matrix C C# C++ Go Java JavaScript Kotlin Python Python3 Ruby Scala Swift easy
771 jewels-and-stones C C# C++ Go Java JavaScript Kotlin Python Python3 Ruby Scala Swift easy
783 minimum-distance-between-bst-nodes C C# C++ Go Java JavaScript Kotlin Python Python3 Ruby Scala Swift easy
784 letter-case-permutation C C# C++ Go Java JavaScript Kotlin Python Python3 Ruby Scala Swift easy
788 rotated-digits C C# C++ Go Java JavaScript Kotlin Python Python3 Ruby Scala Swift easy
796 rotate-string C C# C++ Go Java JavaScript Kotlin Python Python3 Ruby Scala Swift easy
800 similar-rgb-color C C# C++ Go Java JavaScript Kotlin Python Python3 Ruby Scala Swift easy
804 unique-morse-code-words C C# C++ Go Java JavaScript Kotlin Python Python3 Ruby Scala Swift easy
806 number-of-lines-to-write-string C C# C++ Go Java JavaScript Kotlin Python Python3 Ruby Scala Swift easy
811 subdomain-visit-count C C# C++ Go Java JavaScript Kotlin Python Python3 Ruby Scala Swift easy
812 largest-triangle-area C C# C++ Go Java JavaScript Kotlin Python Python3 Ruby Scala Swift easy
819 most-common-word C C# C++ Go Java JavaScript Kotlin Python Python3 Ruby Scala Swift easy
blank blank blank blank blank blank blank blank blank blank blank blank blank blank blank
2 add-two-numbers C C# C++ Go Java JavaScript Kotlin Python Python3 Ruby Scala Swift medium
3 longest-substring-without-repeating-characters C C# C++ Go Java JavaScript Kotlin Python Python3 Ruby Scala Swift medium
5 longest-palindromic-substring C C# C++ Go Java JavaScript Kotlin Python Python3 Ruby Scala Swift medium
6 zigzag-conversion C C# C++ Go Java JavaScript Kotlin Python Python3 Ruby Scala Swift medium
8 string-to-integer-atoi C C# C++ Go Java JavaScript Kotlin Python Python3 Ruby Scala Swift medium
11 container-with-most-water C C# C++ Go Java JavaScript Kotlin Python Python3 Ruby Scala Swift medium
12 integer-to-roman C C# C++ Go Java JavaScript Kotlin Python Python3 Ruby Scala Swift medium
15 3sum C C# C++ Go Java JavaScript Kotlin Python Python3 Ruby Scala Swift medium
16 3sum-closest C C# C++ Go Java JavaScript Kotlin Python Python3 Ruby Scala Swift medium
17 letter-combinations-of-a-phone-number C C# C++ Go Java JavaScript Kotlin Python Python3 Ruby Scala Swift medium
18 4sum C C# C++ Go Java JavaScript Kotlin Python Python3 Ruby Scala Swift medium
19 remove-nth-node-from-end-of-list C C# C++ Go Java JavaScript Kotlin Python Python3 Ruby Scala Swift medium
22 generate-parentheses C C# C++ Go Java JavaScript Kotlin Python Python3 Ruby Scala Swift medium
24 swap-nodes-in-pairs C C# C++ Go Java JavaScript Kotlin Python Python3 Ruby Scala Swift medium
29 divide-two-integers C C# C++ Go Java JavaScript Kotlin Python Python3 Ruby Scala Swift medium
31 next-permutation C C# C++ Go Java JavaScript Kotlin Python Python3 Ruby Scala Swift medium
33 search-in-rotated-sorted-array C C# C++ Go Java JavaScript Kotlin Python Python3 Ruby Scala Swift medium
34 search-for-a-range C C# C++ Go Java JavaScript Kotlin Python Python3 Ruby Scala Swift medium
36 valid-sudoku C C# C++ Go Java JavaScript Kotlin Python Python3 Ruby Scala Swift medium
39 combination-sum C C# C++ Go Java JavaScript Kotlin Python Python3 Ruby Scala Swift medium
40 combination-sum-ii C C# C++ Go Java JavaScript Kotlin Python Python3 Ruby Scala Swift medium
43 multiply-strings C C# C++ Go Java JavaScript Kotlin Python Python3 Ruby Scala Swift medium
46 permutations C C# C++ Go Java JavaScript Kotlin Python Python3 Ruby Scala Swift medium
47 permutations-ii C C# C++ Go Java JavaScript Kotlin Python Python3 Ruby Scala Swift medium
48 rotate-image C C# C++ Go Java JavaScript Kotlin Python Python3 Ruby Scala Swift medium
49 group-anagrams C C# C++ Go Java JavaScript Kotlin Python Python3 Ruby Scala Swift medium
50 powx-n C C# C++ Go Java JavaScript Kotlin Python Python3 Ruby Scala Swift medium
54 spiral-matrix C C# C++ Go Java JavaScript Kotlin Python Python3 Ruby Scala Swift medium
55 jump-game C C# C++ Go Java JavaScript Kotlin Python Python3 Ruby Scala Swift medium
56 merge-intervals C C# C++ Go Java JavaScript Kotlin Python Python3 Ruby Scala Swift medium
59 spiral-matrix-ii C C# C++ Go Java JavaScript Kotlin Python Python3 Ruby Scala Swift medium
60 permutation-sequence C C# C++ Go Java JavaScript Kotlin Python Python3 Ruby Scala Swift medium
61 rotate-list C C# C++ Go Java JavaScript Kotlin Python Python3 Ruby Scala Swift medium
62 unique-paths C C# C++ Go Java JavaScript Kotlin Python Python3 Ruby Scala Swift medium
63 unique-paths-ii C C# C++ Go Java JavaScript Kotlin Python Python3 Ruby Scala Swift medium
64 minimum-path-sum C C# C++ Go Java JavaScript Kotlin Python Python3 Ruby Scala Swift medium
71 simplify-path C C# C++ Go Java JavaScript Kotlin Python Python3 Ruby Scala Swift medium
73 set-matrix-zeroes C C# C++ Go Java JavaScript Kotlin Python Python3 Ruby Scala Swift medium
74 search-a-2d-matrix C C# C++ Go Java JavaScript Kotlin Python Python3 Ruby Scala Swift medium
75 sort-colors C C# C++ Go Java JavaScript Kotlin Python Python3 Ruby Scala Swift medium
77 combinations C C# C++ Go Java JavaScript Kotlin Python Python3 Ruby Scala Swift medium
78 subsets C C# C++ Go Java JavaScript Kotlin Python Python3 Ruby Scala Swift medium
79 word-search C C# C++ Go Java JavaScript Kotlin Python Python3 Ruby Scala Swift medium
80 remove-duplicates-from-sorted-array-ii C C# C++ Go Java JavaScript Kotlin Python Python3 Ruby Scala Swift medium
81 search-in-rotated-sorted-array-ii C C# C++ Go Java JavaScript Kotlin Python Python3 Ruby Scala Swift medium
82 remove-duplicates-from-sorted-list-ii C C# C++ Go Java JavaScript Kotlin Python Python3 Ruby Scala Swift medium
86 partition-list C C# C++ Go Java JavaScript Kotlin Python Python3 Ruby Scala Swift medium
89 gray-code C C# C++ Go Java JavaScript Kotlin Python Python3 Ruby Scala Swift medium
90 subsets-ii C C# C++ Go Java JavaScript Kotlin Python Python3 Ruby Scala Swift medium
91 decode-ways C C# C++ Go Java JavaScript Kotlin Python Python3 Ruby Scala Swift medium
92 reverse-linked-list-ii C C# C++ Go Java JavaScript Kotlin Python Python3 Ruby Scala Swift medium
93 restore-ip-addresses C C# C++ Go Java JavaScript Kotlin Python Python3 Ruby Scala Swift medium
94 binary-tree-inorder-traversal C C# C++ Go Java JavaScript Kotlin Python Python3 Ruby Scala Swift medium
95 unique-binary-search-trees-ii C C# C++ Go Java JavaScript Kotlin Python Python3 Ruby Scala Swift medium
96 unique-binary-search-trees C C# C++ Go Java JavaScript Kotlin Python Python3 Ruby Scala Swift medium
98 validate-binary-search-tree C C# C++ Go Java JavaScript Kotlin Python Python3 Ruby Scala Swift medium
102 binary-tree-level-order-traversal C C# C++ Go Java JavaScript Kotlin Python Python3 Ruby Scala Swift medium
103 binary-tree-zigzag-level-order-traversal C C# C++ Go Java JavaScript Kotlin Python Python3 Ruby Scala Swift medium
105 construct-binary-tree-from-preorder-and-inorder-traversal C C# C++ Go Java JavaScript Kotlin Python Python3 Ruby Scala Swift medium
106 construct-binary-tree-from-inorder-and-postorder-traversal C C# C++ Go Java JavaScript Kotlin Python Python3 Ruby Scala Swift medium
109 convert-sorted-list-to-binary-search-tree C C# C++ Go Java JavaScript Kotlin Python Python3 Ruby Scala Swift medium
113 path-sum-ii C C# C++ Go Java JavaScript Kotlin Python Python3 Ruby Scala Swift medium
114 flatten-binary-tree-to-linked-list C C# C++ Go Java JavaScript Kotlin Python Python3 Ruby Scala Swift medium
116 populating-next-right-pointers-in-each-node C C# C++ Go Java JavaScript Kotlin Python Python3 Ruby Scala Swift medium
117 populating-next-right-pointers-in-each-node-ii C C# C++ Go Java JavaScript Kotlin Python Python3 Ruby Scala Swift medium
120 triangle C C# C++ Go Java JavaScript Kotlin Python Python3 Ruby Scala Swift medium
127 word-ladder C C# C++ Go Java JavaScript Kotlin Python Python3 Ruby Scala Swift medium
129 sum-root-to-leaf-numbers C C# C++ Go Java JavaScript Kotlin Python Python3 Ruby Scala Swift medium
130 surrounded-regions C C# C++ Go Java JavaScript Kotlin Python Python3 Ruby Scala Swift medium
131 palindrome-partitioning C C# C++ Go Java JavaScript Kotlin Python Python3 Ruby Scala Swift medium
133 clone-graph C C# C++ Go Java JavaScript Kotlin Python Python3 Ruby Scala Swift medium
134 gas-station C C# C++ Go Java JavaScript Kotlin Python Python3 Ruby Scala Swift medium
137 single-number-ii C C# C++ Go Java JavaScript Kotlin Python Python3 Ruby Scala Swift medium
138 copy-list-with-random-pointer C C# C++ Go Java JavaScript Kotlin Python Python3 Ruby Scala Swift medium
139 word-break C C# C++ Go Java JavaScript Kotlin Python Python3 Ruby Scala Swift medium
142 linked-list-cycle-ii C C# C++ Go Java JavaScript Kotlin Python Python3 Ruby Scala Swift medium
143 reorder-list C C# C++ Go Java JavaScript Kotlin Python Python3 Ruby Scala Swift medium
144 binary-tree-preorder-traversal C C# C++ Go Java JavaScript Kotlin Python Python3 Ruby Scala Swift medium
147 insertion-sort-list C C# C++ Go Java JavaScript Kotlin Python Python3 Ruby Scala Swift medium
148 sort-list C C# C++ Go Java JavaScript Kotlin Python Python3 Ruby Scala Swift medium
150 evaluate-reverse-polish-notation C C# C++ Go Java JavaScript Kotlin Python Python3 Ruby Scala Swift medium
151 reverse-words-in-a-string C C# C++ Go Java JavaScript Kotlin Python Python3 Ruby Scala Swift medium
152 maximum-product-subarray C C# C++ Go Java JavaScript Kotlin Python Python3 Ruby Scala Swift medium
153 find-minimum-in-rotated-sorted-array C C# C++ Go Java JavaScript Kotlin Python Python3 Ruby Scala Swift medium
156 binary-tree-upside-down C C# C++ Go Java JavaScript Kotlin Python Python3 Ruby Scala Swift medium
161 one-edit-distance C C# C++ Go Java JavaScript Kotlin Python Python3 Ruby Scala Swift medium
162 find-peak-element C C# C++ Go Java JavaScript Kotlin Python Python3 Ruby Scala Swift medium
163 missing-ranges C C# C++ Go Java JavaScript Kotlin Python Python3 Ruby Scala Swift medium
165 compare-version-numbers C C# C++ Go Java JavaScript Kotlin Python Python3 Ruby Scala Swift medium
166 fraction-to-recurring-decimal C C# C++ Go Java JavaScript Kotlin Python Python3 Ruby Scala Swift medium
173 binary-search-tree-iterator C C# C++ Go Java JavaScript Kotlin Python Python3 Ruby Scala Swift medium
179 largest-number C C# C++ Go Java JavaScript Kotlin Python Python3 Ruby Scala Swift medium
186 reverse-words-in-a-string-ii C C# C++ Go Java JavaScript Kotlin Python Python3 Ruby Scala Swift medium
187 repeated-dna-sequences C C# C++ Go Java JavaScript Kotlin Python Python3 Ruby Scala Swift medium
199 binary-tree-right-side-view C C# C++ Go Java JavaScript Kotlin Python Python3 Ruby Scala Swift medium
200 number-of-islands C C# C++ Go Java JavaScript Kotlin Python Python3 Ruby Scala Swift medium
201 bitwise-and-of-numbers-range C C# C++ Go Java JavaScript Kotlin Python Python3 Ruby Scala Swift medium
207 course-schedule C C# C++ Go Java JavaScript Kotlin Python Python3 Ruby Scala Swift medium
208 implement-trie-prefix-tree C C# C++ Go Java JavaScript Kotlin Python Python3 Ruby Scala Swift medium
209 minimum-size-subarray-sum C C# C++ Go Java JavaScript Kotlin Python Python3 Ruby Scala Swift medium
210 course-schedule-ii C C# C++ Go Java JavaScript Kotlin Python Python3 Ruby Scala Swift medium
211 add-and-search-word-data-structure-design C C# C++ Go Java JavaScript Kotlin Python Python3 Ruby Scala Swift medium
213 house-robber-ii C C# C++ Go Java JavaScript Kotlin Python Python3 Ruby Scala Swift medium
215 kth-largest-element-in-an-array C C# C++ Go Java JavaScript Kotlin Python Python3 Ruby Scala Swift medium
216 combination-sum-iii C C# C++ Go Java JavaScript Kotlin Python Python3 Ruby Scala Swift medium
220 contains-duplicate-iii C C# C++ Go Java JavaScript Kotlin Python Python3 Ruby Scala Swift medium
221 maximal-square C C# C++ Go Java JavaScript Kotlin Python Python3 Ruby Scala Swift medium
222 count-complete-tree-nodes C C# C++ Go Java JavaScript Kotlin Python Python3 Ruby Scala Swift medium
223 rectangle-area C C# C++ Go Java JavaScript Kotlin Python Python3 Ruby Scala Swift medium
227 basic-calculator-ii C C# C++ Go Java JavaScript Kotlin Python Python3 Ruby Scala Swift medium
228 summary-ranges C C# C++ Go Java JavaScript Kotlin Python Python3 Ruby Scala Swift medium
229 majority-element-ii C C# C++ Go Java JavaScript Kotlin Python Python3 Ruby Scala Swift medium
230 kth-smallest-element-in-a-bst C C# C++ Go Java JavaScript Kotlin Python Python3 Ruby Scala Swift medium
236 lowest-common-ancestor-of-a-binary-tree C C# C++ Go Java JavaScript Kotlin Python Python3 Ruby Scala Swift medium
238 product-of-array-except-self C C# C++ Go Java JavaScript Kotlin Python Python3 Ruby Scala Swift medium
240 search-a-2d-matrix-ii C C# C++ Go Java JavaScript Kotlin Python Python3 Ruby Scala Swift medium
241 different-ways-to-add-parentheses C C# C++ Go Java JavaScript Kotlin Python Python3 Ruby Scala Swift medium
244 shortest-word-distance-ii C C# C++ Go Java JavaScript Kotlin Python Python3 Ruby Scala Swift medium
245 shortest-word-distance-iii C C# C++ Go Java JavaScript Kotlin Python Python3 Ruby Scala Swift medium
247 strobogrammatic-number-ii C C# C++ Go Java JavaScript Kotlin Python Python3 Ruby Scala Swift medium
249 group-shifted-strings C C# C++ Go Java JavaScript Kotlin Python Python3 Ruby Scala Swift medium
250 count-univalue-subtrees C C# C++ Go Java JavaScript Kotlin Python Python3 Ruby Scala Swift medium
251 flatten-2d-vector C C# C++ Go Java JavaScript Kotlin Python Python3 Ruby Scala Swift medium
253 meeting-rooms-ii C C# C++ Go Java JavaScript Kotlin Python Python3 Ruby Scala Swift medium
254 factor-combinations C C# C++ Go Java JavaScript Kotlin Python Python3 Ruby Scala Swift medium
255 verify-preorder-sequence-in-binary-search-tree C C# C++ Go Java JavaScript Kotlin Python Python3 Ruby Scala Swift medium
259 3sum-smaller C C# C++ Go Java JavaScript Kotlin Python Python3 Ruby Scala Swift medium
260 single-number-iii C C# C++ Go Java JavaScript Kotlin Python Python3 Ruby Scala Swift medium
261 graph-valid-tree C C# C++ Go Java JavaScript Kotlin Python Python3 Ruby Scala Swift medium
264 ugly-number-ii C C# C++ Go Java JavaScript Kotlin Python Python3 Ruby Scala Swift medium
267 palindrome-permutation-ii C C# C++ Go Java JavaScript Kotlin Python Python3 Ruby Scala Swift medium
271 encode-and-decode-strings C C# C++ Go Java JavaScript Kotlin Python Python3 Ruby Scala Swift medium
274 h-index C C# C++ Go Java JavaScript Kotlin Python Python3 Ruby Scala Swift medium
275 h-index-ii C C# C++ Go Java JavaScript Kotlin Python Python3 Ruby Scala Swift medium
277 find-the-celebrity C C# C++ Go Java JavaScript Kotlin Python Python3 Ruby Scala Swift medium
279 perfect-squares C C# C++ Go Java JavaScript Kotlin Python Python3 Ruby Scala Swift medium
280 wiggle-sort C C# C++ Go Java JavaScript Kotlin Python Python3 Ruby Scala Swift medium
281 zigzag-iterator C C# C++ Go Java JavaScript Kotlin Python Python3 Ruby Scala Swift medium
284 peeking-iterator C C# C++ Go Java JavaScript Kotlin Python Python3 Ruby Scala Swift medium
285 inorder-successor-in-bst C C# C++ Go Java JavaScript Kotlin Python Python3 Ruby Scala Swift medium
286 walls-and-gates C C# C++ Go Java JavaScript Kotlin Python Python3 Ruby Scala Swift medium
287 find-the-duplicate-number C C# C++ Go Java JavaScript Kotlin Python Python3 Ruby Scala Swift medium
288 unique-word-abbreviation C C# C++ Go Java JavaScript Kotlin Python Python3 Ruby Scala Swift medium
289 game-of-life C C# C++ Go Java JavaScript Kotlin Python Python3 Ruby Scala Swift medium
294 flip-game-ii C C# C++ Go Java JavaScript Kotlin Python Python3 Ruby Scala Swift medium
298 binary-tree-longest-consecutive-sequence C C# C++ Go Java JavaScript Kotlin Python Python3 Ruby Scala Swift medium
299 bulls-and-cows C C# C++ Go Java JavaScript Kotlin Python Python3 Ruby Scala Swift medium
300 longest-increasing-subsequence C C# C++ Go Java JavaScript Kotlin Python Python3 Ruby Scala Swift medium
304 range-sum-query-2d-immutable C C# C++ Go Java JavaScript Kotlin Python Python3 Ruby Scala Swift medium
306 additive-number C C# C++ Go Java JavaScript Kotlin Python Python3 Ruby Scala Swift medium
307 range-sum-query-mutable C C# C++ Go Java JavaScript Kotlin Python Python3 Ruby Scala Swift medium
309 best-time-to-buy-and-sell-stock-with-cooldown C C# C++ Go Java JavaScript Kotlin Python Python3 Ruby Scala Swift medium
310 minimum-height-trees C C# C++ Go Java JavaScript Kotlin Python Python3 Ruby Scala Swift medium
311 sparse-matrix-multiplication C C# C++ Go Java JavaScript Kotlin Python Python3 Ruby Scala Swift medium
313 super-ugly-number C C# C++ Go Java JavaScript Kotlin Python Python3 Ruby Scala Swift medium
314 binary-tree-vertical-order-traversal C C# C++ Go Java JavaScript Kotlin Python Python3 Ruby Scala Swift medium
318 maximum-product-of-word-lengths C C# C++ Go Java JavaScript Kotlin Python Python3 Ruby Scala Swift medium
319 bulb-switcher C C# C++ Go Java JavaScript Kotlin Python Python3 Ruby Scala Swift medium
320 generalized-abbreviation C C# C++ Go Java JavaScript Kotlin Python Python3 Ruby Scala Swift medium
322 coin-change C C# C++ Go Java JavaScript Kotlin Python Python3 Ruby Scala Swift medium
323 number-of-connected-components-in-an-undirected-graph C C# C++ Go Java JavaScript Kotlin Python Python3 Ruby Scala Swift medium
324 wiggle-sort-ii C C# C++ Go Java JavaScript Kotlin Python Python3 Ruby Scala Swift medium
325 maximum-size-subarray-sum-equals-k C C# C++ Go Java JavaScript Kotlin Python Python3 Ruby Scala Swift medium
328 odd-even-linked-list C C# C++ Go Java JavaScript Kotlin Python Python3 Ruby Scala Swift medium
331 verify-preorder-serialization-of-a-binary-tree C C# C++ Go Java JavaScript Kotlin Python Python3 Ruby Scala Swift medium
332 reconstruct-itinerary C C# C++ Go Java JavaScript Kotlin Python Python3 Ruby Scala Swift medium
333 largest-bst-subtree C C# C++ Go Java JavaScript Kotlin Python Python3 Ruby Scala Swift medium
334 increasing-triplet-subsequence C C# C++ Go Java JavaScript Kotlin Python Python3 Ruby Scala Swift medium
337 house-robber-iii C C# C++ Go Java JavaScript Kotlin Python Python3 Ruby Scala Swift medium
338 counting-bits C C# C++ Go Java JavaScript Kotlin Python Python3 Ruby Scala Swift medium
341 flatten-nested-list-iterator C C# C++ Go Java JavaScript Kotlin Python Python3 Ruby Scala Swift medium
343 integer-break C C# C++ Go Java JavaScript Kotlin Python Python3 Ruby Scala Swift medium
347 top-k-frequent-elements C C# C++ Go Java JavaScript Kotlin Python Python3 Ruby Scala Swift medium
348 design-tic-tac-toe C C# C++ Go Java JavaScript Kotlin Python Python3 Ruby Scala Swift medium
351 android-unlock-patterns C C# C++ Go Java JavaScript Kotlin Python Python3 Ruby Scala Swift medium
353 design-snake-game C C# C++ Go Java JavaScript Kotlin Python Python3 Ruby Scala Swift medium
355 design-twitter C C# C++ Go Java JavaScript Kotlin Python Python3 Ruby Scala Swift medium
356 line-reflection C C# C++ Go Java JavaScript Kotlin Python Python3 Ruby Scala Swift medium
357 count-numbers-with-unique-digits C C# C++ Go Java JavaScript Kotlin Python Python3 Ruby Scala Swift medium
360 sort-transformed-array C C# C++ Go Java JavaScript Kotlin Python Python3 Ruby Scala Swift medium
361 bomb-enemy C C# C++ Go Java JavaScript Kotlin Python Python3 Ruby Scala Swift medium
362 design-hit-counter C C# C++ Go Java JavaScript Kotlin Python Python3 Ruby Scala Swift medium
364 nested-list-weight-sum-ii C C# C++ Go Java JavaScript Kotlin Python Python3 Ruby Scala Swift medium
365 water-and-jug-problem C C# C++ Go Java JavaScript Kotlin Python Python3 Ruby Scala Swift medium
366 find-leaves-of-binary-tree C C# C++ Go Java JavaScript Kotlin Python Python3 Ruby Scala Swift medium
368 largest-divisible-subset C C# C++ Go Java JavaScript Kotlin Python Python3 Ruby Scala Swift medium
369 plus-one-linked-list C C# C++ Go Java JavaScript Kotlin Python Python3 Ruby Scala Swift medium
370 range-addition C C# C++ Go Java JavaScript Kotlin Python Python3 Ruby Scala Swift medium
372 super-pow C C# C++ Go Java JavaScript Kotlin Python Python3 Ruby Scala Swift medium
373 find-k-pairs-with-smallest-sums C C# C++ Go Java JavaScript Kotlin Python Python3 Ruby Scala Swift medium
375 guess-number-higher-or-lower-ii C C# C++ Go Java JavaScript Kotlin Python Python3 Ruby Scala Swift medium
376 wiggle-subsequence C C# C++ Go Java JavaScript Kotlin Python Python3 Ruby Scala Swift medium
377 combination-sum-iv C C# C++ Go Java JavaScript Kotlin Python Python3 Ruby Scala Swift medium
378 kth-smallest-element-in-a-sorted-matrix C C# C++ Go Java JavaScript Kotlin Python Python3 Ruby Scala Swift medium
379 design-phone-directory C C# C++ Go Java JavaScript Kotlin Python Python3 Ruby Scala Swift medium
380 insert-delete-getrandom-o1 C C# C++ Go Java JavaScript Kotlin Python Python3 Ruby Scala Swift medium
382 linked-list-random-node C C# C++ Go Java JavaScript Kotlin Python Python3 Ruby Scala Swift medium
384 shuffle-an-array C C# C++ Go Java JavaScript Kotlin Python Python3 Ruby Scala Swift medium
385 mini-parser C C# C++ Go Java JavaScript Kotlin Python Python3 Ruby Scala Swift medium
386 lexicographical-numbers C C# C++ Go Java JavaScript Kotlin Python Python3 Ruby Scala Swift medium
388 longest-absolute-file-path C C# C++ Go Java JavaScript Kotlin Python Python3 Ruby Scala Swift medium
390 elimination-game C C# C++ Go Java JavaScript Kotlin Python Python3 Ruby Scala Swift medium
392 is-subsequence C C# C++ Go Java JavaScript Kotlin Python Python3 Ruby Scala Swift medium
393 utf-8-validation C C# C++ Go Java JavaScript Kotlin Python Python3 Ruby Scala Swift medium
394 decode-string C C# C++ Go Java JavaScript Kotlin Python Python3 Ruby Scala Swift medium
395 longest-substring-with-at-least-k-repeating-characters C C# C++ Go Java JavaScript Kotlin Python Python3 Ruby Scala Swift medium
396 rotate-function C C# C++ Go Java JavaScript Kotlin Python Python3 Ruby Scala Swift medium
397 integer-replacement C C# C++ Go Java JavaScript Kotlin Python Python3 Ruby Scala Swift medium
398 random-pick-index C C# C++ Go Java JavaScript Kotlin Python Python3 Ruby Scala Swift medium
399 evaluate-division C C# C++ Go Java JavaScript Kotlin Python Python3 Ruby Scala Swift medium
402 remove-k-digits C C# C++ Go Java JavaScript Kotlin Python Python3 Ruby Scala Swift medium
406 queue-reconstruction-by-height C C# C++ Go Java JavaScript Kotlin Python Python3 Ruby Scala Swift medium
413 arithmetic-slices C C# C++ Go Java JavaScript Kotlin Python Python3 Ruby Scala Swift medium
416 partition-equal-subset-sum C C# C++ Go Java JavaScript Kotlin Python Python3 Ruby Scala Swift medium
417 pacific-atlantic-water-flow C C# C++ Go Java JavaScript Kotlin Python Python3 Ruby Scala Swift medium
418 sentence-screen-fitting C C# C++ Go Java JavaScript Kotlin Python Python3 Ruby Scala Swift medium
419 battleships-in-a-board C C# C++ Go Java JavaScript Kotlin Python Python3 Ruby Scala Swift medium
421 maximum-xor-of-two-numbers-in-an-array C C# C++ Go Java JavaScript Kotlin Python Python3 Ruby Scala Swift medium
423 reconstruct-original-digits-from-english C C# C++ Go Java JavaScript Kotlin Python Python3 Ruby Scala Swift medium
424 longest-repeating-character-replacement C C# C++ Go Java JavaScript Kotlin Python Python3 Ruby Scala Swift medium
435 non-overlapping-intervals C C# C++ Go Java JavaScript Kotlin Python Python3 Ruby Scala Swift medium
436 find-right-interval C C# C++ Go Java JavaScript Kotlin Python Python3 Ruby Scala Swift medium
439 ternary-expression-parser C C# C++ Go Java JavaScript Kotlin Python Python3 Ruby Scala Swift medium
442 find-all-duplicates-in-an-array C C# C++ Go Java JavaScript Kotlin Python Python3 Ruby Scala Swift medium
444 sequence-reconstruction C C# C++ Go Java JavaScript Kotlin Python Python3 Ruby Scala Swift medium
445 add-two-numbers-ii C C# C++ Go Java JavaScript Kotlin Python Python3 Ruby Scala Swift medium
449 serialize-and-deserialize-bst C C# C++ Go Java JavaScript Kotlin Python Python3 Ruby Scala Swift medium
450 delete-node-in-a-bst C C# C++ Go Java JavaScript Kotlin Python Python3 Ruby Scala Swift medium
451 sort-characters-by-frequency C C# C++ Go Java JavaScript Kotlin Python Python3 Ruby Scala Swift medium
452 minimum-number-of-arrows-to-burst-balloons C C# C++ Go Java JavaScript Kotlin Python Python3 Ruby Scala Swift medium
454 4sum-ii C C# C++ Go Java JavaScript Kotlin Python Python3 Ruby Scala Swift medium
456 132-pattern C C# C++ Go Java JavaScript Kotlin Python Python3 Ruby Scala Swift medium
462 minimum-moves-to-equal-array-elements-ii C C# C++ Go Java JavaScript Kotlin Python Python3 Ruby Scala Swift medium
464 can-i-win C C# C++ Go Java JavaScript Kotlin Python Python3 Ruby Scala Swift medium
467 unique-substrings-in-wraparound-string C C# C++ Go Java JavaScript Kotlin Python Python3 Ruby Scala Swift medium
468 validate-ip-address C C# C++ Go Java JavaScript Kotlin Python Python3 Ruby Scala Swift medium
469 convex-polygon C C# C++ Go Java JavaScript Kotlin Python Python3 Ruby Scala Swift medium
473 matchsticks-to-square C C# C++ Go Java JavaScript Kotlin Python Python3 Ruby Scala Swift medium
474 ones-and-zeroes C C# C++ Go Java JavaScript Kotlin Python Python3 Ruby Scala Swift medium
477 total-hamming-distance C C# C++ Go Java JavaScript Kotlin Python Python3 Ruby Scala Swift medium
481 magical-string C C# C++ Go Java JavaScript Kotlin Python Python3 Ruby Scala Swift medium
484 find-permutation C C# C++ Go Java JavaScript Kotlin Python Python3 Ruby Scala Swift medium
486 predict-the-winner C C# C++ Go Java JavaScript Kotlin Python Python3 Ruby Scala Swift medium
487 max-consecutive-ones-ii C C# C++ Go Java JavaScript Kotlin Python Python3 Ruby Scala Swift medium
490 the-maze C C# C++ Go Java JavaScript Kotlin Python Python3 Ruby Scala Swift medium
491 increasing-subsequences C C# C++ Go Java JavaScript Kotlin Python Python3 Ruby Scala Swift medium
494 target-sum C C# C++ Go Java JavaScript Kotlin Python Python3 Ruby Scala Swift medium
495 teemo-attacking C C# C++ Go Java JavaScript Kotlin Python Python3 Ruby Scala Swift medium
498 diagonal-traverse C C# C++ Go Java JavaScript Kotlin Python Python3 Ruby Scala Swift medium
503 next-greater-element-ii C C# C++ Go Java JavaScript Kotlin Python Python3 Ruby Scala Swift medium
505 the-maze-ii C C# C++ Go Java JavaScript Kotlin Python Python3 Ruby Scala Swift medium
508 most-frequent-subtree-sum C C# C++ Go Java JavaScript Kotlin Python Python3 Ruby Scala Swift medium
513 find-bottom-left-tree-value C C# C++ Go Java JavaScript Kotlin Python Python3 Ruby Scala Swift medium
515 find-largest-value-in-each-tree-row C C# C++ Go Java JavaScript Kotlin Python Python3 Ruby Scala Swift medium
516 longest-palindromic-subsequence C C# C++ Go Java JavaScript Kotlin Python Python3 Ruby Scala Swift medium
522 longest-uncommon-subsequence-ii C C# C++ Go Java JavaScript Kotlin Python Python3 Ruby Scala Swift medium
523 continuous-subarray-sum C C# C++ Go Java JavaScript Kotlin Python Python3 Ruby Scala Swift medium
524 longest-word-in-dictionary-through-deleting C C# C++ Go Java JavaScript Kotlin Python Python3 Ruby Scala Swift medium
525 contiguous-array C C# C++ Go Java JavaScript Kotlin Python Python3 Ruby Scala Swift medium
526 beautiful-arrangement C C# C++ Go Java JavaScript Kotlin Python Python3 Ruby Scala Swift medium
529 minesweeper C C# C++ Go Java JavaScript Kotlin Python Python3 Ruby Scala Swift medium
531 lonely-pixel-i C C# C++ Go Java JavaScript Kotlin Python Python3 Ruby Scala Swift medium
533 lonely-pixel-ii C C# C++ Go Java JavaScript Kotlin Python Python3 Ruby Scala Swift medium
535 encode-and-decode-tinyurl C C# C++ Go Java JavaScript Kotlin Python Python3 Ruby Scala Swift medium
536 construct-binary-tree-from-string C C# C++ Go Java JavaScript Kotlin Python Python3 Ruby Scala Swift medium
537 complex-number-multiplication C C# C++ Go Java JavaScript Kotlin Python Python3 Ruby Scala Swift medium
539 minimum-time-difference C C# C++ Go Java JavaScript Kotlin Python Python3 Ruby Scala Swift medium
540 single-element-in-a-sorted-array C C# C++ Go Java JavaScript Kotlin Python Python3 Ruby Scala Swift medium
542 01-matrix C C# C++ Go Java JavaScript Kotlin Python Python3 Ruby Scala Swift medium
544 output-contest-matches C C# C++ Go Java JavaScript Kotlin Python Python3 Ruby Scala Swift medium
545 boundary-of-binary-tree C C# C++ Go Java JavaScript Kotlin Python Python3 Ruby Scala Swift medium
547 friend-circles C C# C++ Go Java JavaScript Kotlin Python Python3 Ruby Scala Swift medium
548 split-array-with-equal-sum C C# C++ Go Java JavaScript Kotlin Python Python3 Ruby Scala Swift medium
549 binary-tree-longest-consecutive-sequence-ii C C# C++ Go Java JavaScript Kotlin Python Python3 Ruby Scala Swift medium
553 optimal-division C C# C++ Go Java JavaScript Kotlin Python Python3 Ruby Scala Swift medium
554 brick-wall C C# C++ Go Java JavaScript Kotlin Python Python3 Ruby Scala Swift medium
555 split-concatenated-strings C C# C++ Go Java JavaScript Kotlin Python Python3 Ruby Scala Swift medium
556 next-greater-element-iii C C# C++ Go Java JavaScript Kotlin Python Python3 Ruby Scala Swift medium
560 subarray-sum-equals-k C C# C++ Go Java JavaScript Kotlin Python Python3 Ruby Scala Swift medium
562 longest-line-of-consecutive-one-in-matrix C C# C++ Go Java JavaScript Kotlin Python Python3 Ruby Scala Swift medium
565 array-nesting C C# C++ Go Java JavaScript Kotlin Python Python3 Ruby Scala Swift medium
567 permutation-in-string C C# C++ Go Java JavaScript Kotlin Python Python3 Ruby Scala Swift medium
573 squirrel-simulation C C# C++ Go Java JavaScript Kotlin Python Python3 Ruby Scala Swift medium
576 out-of-boundary-paths C C# C++ Go Java JavaScript Kotlin Python Python3 Ruby Scala Swift medium
582 kill-process C C# C++ Go Java JavaScript Kotlin Python Python3 Ruby Scala Swift medium
583 delete-operation-for-two-strings C C# C++ Go Java JavaScript Kotlin Python Python3 Ruby Scala Swift medium
592 fraction-addition-and-subtraction C C# C++ Go Java JavaScript Kotlin Python Python3 Ruby Scala Swift medium
593 valid-square C C# C++ Go Java JavaScript Kotlin Python Python3 Ruby Scala Swift medium
609 find-duplicate-file-in-system C C# C++ Go Java JavaScript Kotlin Python Python3 Ruby Scala Swift medium
611 valid-triangle-number C C# C++ Go Java JavaScript Kotlin Python Python3 Ruby Scala Swift medium
616 add-bold-tag-in-string C C# C++ Go Java JavaScript Kotlin Python Python3 Ruby Scala Swift medium
621 task-scheduler C C# C++ Go Java JavaScript Kotlin Python Python3 Ruby Scala Swift medium
623 add-one-row-to-tree C C# C++ Go Java JavaScript Kotlin Python Python3 Ruby Scala Swift medium
625 minimum-factorization C C# C++ Go Java JavaScript Kotlin Python Python3 Ruby Scala Swift medium
634 find-the-derangement-of-an-array C C# C++ Go Java JavaScript Kotlin Python Python3 Ruby Scala Swift medium
635 design-log-storage-system C C# C++ Go Java JavaScript Kotlin Python Python3 Ruby Scala Swift medium
636 exclusive-time-of-functions C C# C++ Go Java JavaScript Kotlin Python Python3 Ruby Scala Swift medium
638 shopping-offers C C# C++ Go Java JavaScript Kotlin Python Python3 Ruby Scala Swift medium
640 solve-the-equation C C# C++ Go Java JavaScript Kotlin Python Python3 Ruby Scala Swift medium
646 maximum-length-of-pair-chain C C# C++ Go Java JavaScript Kotlin Python Python3 Ruby Scala Swift medium
647 palindromic-substrings C C# C++ Go Java JavaScript Kotlin Python Python3 Ruby Scala Swift medium
648 replace-words C C# C++ Go Java JavaScript Kotlin Python Python3 Ruby Scala Swift medium
649 dota2-senate C C# C++ Go Java JavaScript Kotlin Python Python3 Ruby Scala Swift medium
650 2-keys-keyboard C C# C++ Go Java JavaScript Kotlin Python Python3 Ruby Scala Swift medium
651 4-keys-keyboard C C# C++ Go Java JavaScript Kotlin Python Python3 Ruby Scala Swift medium
652 find-duplicate-subtrees C C# C++ Go Java JavaScript Kotlin Python Python3 Ruby Scala Swift medium
654 maximum-binary-tree C C# C++ Go Java JavaScript Kotlin Python Python3 Ruby Scala Swift medium
655 print-binary-tree C C# C++ Go Java JavaScript Kotlin Python Python3 Ruby Scala Swift medium
658 find-k-closest-elements C C# C++ Go Java JavaScript Kotlin Python Python3 Ruby Scala Swift medium
659 split-array-into-consecutive-subsequences C C# C++ Go Java JavaScript Kotlin Python Python3 Ruby Scala Swift medium
662 maximum-width-of-binary-tree C C# C++ Go Java JavaScript Kotlin Python Python3 Ruby Scala Swift medium
663 equal-tree-partition C C# C++ Go Java JavaScript Kotlin Python Python3 Ruby Scala Swift medium
666 path-sum-iv C C# C++ Go Java JavaScript Kotlin Python Python3 Ruby Scala Swift medium
667 beautiful-arrangement-ii C C# C++ Go Java JavaScript Kotlin Python Python3 Ruby Scala Swift medium
670 maximum-swap C C# C++ Go Java JavaScript Kotlin Python Python3 Ruby Scala Swift medium
672 bulb-switcher-ii C C# C++ Go Java JavaScript Kotlin Python Python3 Ruby Scala Swift medium
673 number-of-longest-increasing-subsequence C C# C++ Go Java JavaScript Kotlin Python Python3 Ruby Scala Swift medium
676 implement-magic-dictionary C C# C++ Go Java JavaScript Kotlin Python Python3 Ruby Scala Swift medium
677 map-sum-pairs C C# C++ Go Java JavaScript Kotlin Python Python3 Ruby Scala Swift medium
678 valid-parenthesis-string C C# C++ Go Java JavaScript Kotlin Python Python3 Ruby Scala Swift medium
681 next-closest-time C C# C++ Go Java JavaScript Kotlin Python Python3 Ruby Scala Swift medium
684 redundant-connection C C# C++ Go Java JavaScript Kotlin Python Python3 Ruby Scala Swift medium
688 knight-probability-in-chessboard C C# C++ Go Java JavaScript Kotlin Python Python3 Ruby Scala Swift medium
692 top-k-frequent-words C C# C++ Go Java JavaScript Kotlin Python Python3 Ruby Scala Swift medium
694 number-of-distinct-islands C C# C++ Go Java JavaScript Kotlin Python Python3 Ruby Scala Swift medium
698 partition-to-k-equal-sum-subsets C C# C++ Go Java JavaScript Kotlin Python Python3 Ruby Scala Swift medium
712 minimum-ascii-delete-sum-for-two-strings C C# C++ Go Java JavaScript Kotlin Python Python3 Ruby Scala Swift medium
713 subarray-product-less-than-k C C# C++ Go Java JavaScript Kotlin Python Python3 Ruby Scala Swift medium
714 best-time-to-buy-and-sell-stock-with-transaction-fee C C# C++ Go Java JavaScript Kotlin Python Python3 Ruby Scala Swift medium
718 maximum-length-of-repeated-subarray C C# C++ Go Java JavaScript Kotlin Python Python3 Ruby Scala Swift medium
721 accounts-merge C C# C++ Go Java JavaScript Kotlin Python Python3 Ruby Scala Swift medium
722 remove-comments C C# C++ Go Java JavaScript Kotlin Python Python3 Ruby Scala Swift medium
723 candy-crush C C# C++ Go Java JavaScript Kotlin Python Python3 Ruby Scala Swift medium
725 split-linked-list-in-parts C C# C++ Go Java JavaScript Kotlin Python Python3 Ruby Scala Swift medium
729 my-calendar-i C C# C++ Go Java JavaScript Kotlin Python Python3 Ruby Scala Swift medium
731 my-calendar-ii C C# C++ Go Java JavaScript Kotlin Python Python3 Ruby Scala Swift medium
735 asteroid-collision C C# C++ Go Java JavaScript Kotlin Python Python3 Ruby Scala Swift medium
737 sentence-similarity-ii C C# C++ Go Java JavaScript Kotlin Python Python3 Ruby Scala Swift medium
738 monotone-increasing-digits C C# C++ Go Java JavaScript Kotlin Python Python3 Ruby Scala Swift medium
739 daily-temperatures C C# C++ Go Java JavaScript Kotlin Python Python3 Ruby Scala Swift medium
740 delete-and-earn C C# C++ Go Java JavaScript Kotlin Python Python3 Ruby Scala Swift medium
742 closest-leaf-in-a-binary-tree C C# C++ Go Java JavaScript Kotlin Python Python3 Ruby Scala Swift medium
743 network-delay-time C C# C++ Go Java JavaScript Kotlin Python Python3 Ruby Scala Swift medium
748 shortest-completing-word C C# C++ Go Java JavaScript Kotlin Python Python3 Ruby Scala Swift medium
750 number-of-corner-rectangles C C# C++ Go Java JavaScript Kotlin Python Python3 Ruby Scala Swift medium
752 open-the-lock C C# C++ Go Java JavaScript Kotlin Python Python3 Ruby Scala Swift medium
754 reach-a-number C C# C++ Go Java JavaScript Kotlin Python Python3 Ruby Scala Swift medium
755 pour-water C C# C++ Go Java JavaScript Kotlin Python Python3 Ruby Scala Swift medium
756 pyramid-transition-matrix C C# C++ Go Java JavaScript Kotlin Python Python3 Ruby Scala Swift medium
763 partition-labels C C# C++ Go Java JavaScript Kotlin Python Python3 Ruby Scala Swift medium
764 largest-plus-sign C C# C++ Go Java JavaScript Kotlin Python Python3 Ruby Scala Swift medium
767 reorganize-string C C# C++ Go Java JavaScript Kotlin Python Python3 Ruby Scala Swift medium
769 max-chunks-to-make-sorted C C# C++ Go Java JavaScript Kotlin Python Python3 Ruby Scala Swift medium
775 global-and-local-inversions C C# C++ Go Java JavaScript Kotlin Python Python3 Ruby Scala Swift medium
776 split-bst C C# C++ Go Java JavaScript Kotlin Python Python3 Ruby Scala Swift medium
777 swap-adjacent-in-lr-string C C# C++ Go Java JavaScript Kotlin Python Python3 Ruby Scala Swift medium
779 k-th-symbol-in-grammar C C# C++ Go Java JavaScript Kotlin Python Python3 Ruby Scala Swift medium
781 rabbits-in-forest C C# C++ Go Java JavaScript Kotlin Python Python3 Ruby Scala Swift medium
785 is-graph-bipartite C C# C++ Go Java JavaScript Kotlin Python Python3 Ruby Scala Swift medium
787 cheapest-flights-within-k-stops C C# C++ Go Java JavaScript Kotlin Python Python3 Ruby Scala Swift medium
789 escape-the-ghosts C C# C++ Go Java JavaScript Kotlin Python Python3 Ruby Scala Swift medium
790 domino-and-tromino-tiling C C# C++ Go Java JavaScript Kotlin Python Python3 Ruby Scala Swift medium
791 custom-sort-string C C# C++ Go Java JavaScript Kotlin Python Python3 Ruby Scala Swift medium
792 number-of-matching-subsequences C C# C++ Go Java JavaScript Kotlin Python Python3 Ruby Scala Swift medium
794 valid-tic-tac-toe-state C C# C++ Go Java JavaScript Kotlin Python Python3 Ruby Scala Swift medium
795 number-of-subarrays-with-bounded-maximum C C# C++ Go Java JavaScript Kotlin Python Python3 Ruby Scala Swift medium
797 all-paths-from-source-to-target C C# C++ Go Java JavaScript Kotlin Python Python3 Ruby Scala Swift medium
799 champagne-tower C C# C++ Go Java JavaScript Kotlin Python Python3 Ruby Scala Swift medium
801 minimum-swaps-to-make-sequences-increasing C C# C++ Go Java JavaScript Kotlin Python Python3 Ruby Scala Swift medium
802 find-eventual-safe-states C C# C++ Go Java JavaScript Kotlin Python Python3 Ruby Scala Swift medium
807 max-increase-to-keep-city-skyline C C# C++ Go Java JavaScript Kotlin Python Python3 Ruby Scala Swift medium
808 soup-servings C C# C++ Go Java JavaScript Kotlin Python Python3 Ruby Scala Swift medium
809 expressive-words C C# C++ Go Java JavaScript Kotlin Python Python3 Ruby Scala Swift medium
813 largest-sum-of-averages C C# C++ Go Java JavaScript Kotlin Python Python3 Ruby Scala Swift medium
814 binary-tree-pruning C C# C++ Go Java JavaScript Kotlin Python Python3 Ruby Scala Swift medium
816 ambiguous-coordinates C C# C++ Go Java JavaScript Kotlin Python Python3 Ruby Scala Swift medium
817 linked-list-components C C# C++ Go Java JavaScript Kotlin Python Python3 Ruby Scala Swift medium
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4 median-of-two-sorted-arrays C C# C++ Go Java JavaScript Kotlin Python Python3 Ruby Scala Swift hard
10 regular-expression-matching C C# C++ Go Java JavaScript Kotlin Python Python3 Ruby Scala Swift hard
23 merge-k-sorted-lists C C# C++ Go Java JavaScript Kotlin Python Python3 Ruby Scala Swift hard
25 reverse-nodes-in-k-group C C# C++ Go Java JavaScript Kotlin Python Python3 Ruby Scala Swift hard
30 substring-with-concatenation-of-all-words C C# C++ Go Java JavaScript Kotlin Python Python3 Ruby Scala Swift hard
32 longest-valid-parentheses C C# C++ Go Java JavaScript Kotlin Python Python3 Ruby Scala Swift hard
37 sudoku-solver C C# C++ Go Java JavaScript Kotlin Python Python3 Ruby Scala Swift hard
41 first-missing-positive C C# C++ Go Java JavaScript Kotlin Python Python3 Ruby Scala Swift hard
42 trapping-rain-water C C# C++ Go Java JavaScript Kotlin Python Python3 Ruby Scala Swift hard
44 wildcard-matching C C# C++ Go Java JavaScript Kotlin Python Python3 Ruby Scala Swift hard
45 jump-game-ii C C# C++ Go Java JavaScript Kotlin Python Python3 Ruby Scala Swift hard
51 n-queens C C# C++ Go Java JavaScript Kotlin Python Python3 Ruby Scala Swift hard
52 n-queens-ii C C# C++ Go Java JavaScript Kotlin Python Python3 Ruby Scala Swift hard
57 insert-interval C C# C++ Go Java JavaScript Kotlin Python Python3 Ruby Scala Swift hard
65 valid-number C C# C++ Go Java JavaScript Kotlin Python Python3 Ruby Scala Swift hard
68 text-justification C C# C++ Go Java JavaScript Kotlin Python Python3 Ruby Scala Swift hard
72 edit-distance C C# C++ Go Java JavaScript Kotlin Python Python3 Ruby Scala Swift hard
76 minimum-window-substring C C# C++ Go Java JavaScript Kotlin Python Python3 Ruby Scala Swift hard
84 largest-rectangle-in-histogram C C# C++ Go Java JavaScript Kotlin Python Python3 Ruby Scala Swift hard
85 maximal-rectangle C C# C++ Go Java JavaScript Kotlin Python Python3 Ruby Scala Swift hard
87 scramble-string C C# C++ Go Java JavaScript Kotlin Python Python3 Ruby Scala Swift hard
97 interleaving-string C C# C++ Go Java JavaScript Kotlin Python Python3 Ruby Scala Swift hard
99 recover-binary-search-tree C C# C++ Go Java JavaScript Kotlin Python Python3 Ruby Scala Swift hard
115 distinct-subsequences C C# C++ Go Java JavaScript Kotlin Python Python3 Ruby Scala Swift hard
123 best-time-to-buy-and-sell-stock-iii C C# C++ Go Java JavaScript Kotlin Python Python3 Ruby Scala Swift hard
124 binary-tree-maximum-path-sum C C# C++ Go Java JavaScript Kotlin Python Python3 Ruby Scala Swift hard
126 word-ladder-ii C C# C++ Go Java JavaScript Kotlin Python Python3 Ruby Scala Swift hard
128 longest-consecutive-sequence C C# C++ Go Java JavaScript Kotlin Python Python3 Ruby Scala Swift hard
132 palindrome-partitioning-ii C C# C++ Go Java JavaScript Kotlin Python Python3 Ruby Scala Swift hard
135 candy C C# C++ Go Java JavaScript Kotlin Python Python3 Ruby Scala Swift hard
140 word-break-ii C C# C++ Go Java JavaScript Kotlin Python Python3 Ruby Scala Swift hard
145 binary-tree-postorder-traversal C C# C++ Go Java JavaScript Kotlin Python Python3 Ruby Scala Swift hard
146 lru-cache C C# C++ Go Java JavaScript Kotlin Python Python3 Ruby Scala Swift hard
149 max-points-on-a-line C C# C++ Go Java JavaScript Kotlin Python Python3 Ruby Scala Swift hard
154 find-minimum-in-rotated-sorted-array-ii C C# C++ Go Java JavaScript Kotlin Python Python3 Ruby Scala Swift hard
158 read-n-characters-given-read4-ii-call-multiple-times C C# C++ Go Java JavaScript Kotlin Python Python3 Ruby Scala Swift hard
159 longest-substring-with-at-most-two-distinct-characters C C# C++ Go Java JavaScript Kotlin Python Python3 Ruby Scala Swift hard
164 maximum-gap C C# C++ Go Java JavaScript Kotlin Python Python3 Ruby Scala Swift hard
174 dungeon-game C C# C++ Go Java JavaScript Kotlin Python Python3 Ruby Scala Swift hard
188 best-time-to-buy-and-sell-stock-iv C C# C++ Go Java JavaScript Kotlin Python Python3 Ruby Scala Swift hard
212 word-search-ii C C# C++ Go Java JavaScript Kotlin Python Python3 Ruby Scala Swift hard
214 shortest-palindrome C C# C++ Go Java JavaScript Kotlin Python Python3 Ruby Scala Swift hard
218 the-skyline-problem C C# C++ Go Java JavaScript Kotlin Python Python3 Ruby Scala Swift hard
224 basic-calculator C C# C++ Go Java JavaScript Kotlin Python Python3 Ruby Scala Swift hard
233 number-of-digit-one C C# C++ Go Java JavaScript Kotlin Python Python3 Ruby Scala Swift hard
239 sliding-window-maximum C C# C++ Go Java JavaScript Kotlin Python Python3 Ruby Scala Swift hard
248 strobogrammatic-number-iii C C# C++ Go Java JavaScript Kotlin Python Python3 Ruby Scala Swift hard
265 paint-house-ii C C# C++ Go Java JavaScript Kotlin Python Python3 Ruby Scala Swift hard
269 alien-dictionary C C# C++ Go Java JavaScript Kotlin Python Python3 Ruby Scala Swift hard
272 closest-binary-search-tree-value-ii C C# C++ Go Java JavaScript Kotlin Python Python3 Ruby Scala Swift hard
273 integer-to-english-words C C# C++ Go Java JavaScript Kotlin Python Python3 Ruby Scala Swift hard
282 expression-add-operators C C# C++ Go Java JavaScript Kotlin Python Python3 Ruby Scala Swift hard
291 word-pattern-ii C C# C++ Go Java JavaScript Kotlin Python Python3 Ruby Scala Swift hard
295 find-median-from-data-stream C C# C++ Go Java JavaScript Kotlin Python Python3 Ruby Scala Swift hard
296 best-meeting-point C C# C++ Go Java JavaScript Kotlin Python Python3 Ruby Scala Swift hard
297 serialize-and-deserialize-binary-tree C C# C++ Go Java JavaScript Kotlin Python Python3 Ruby Scala Swift hard
301 remove-invalid-parentheses C C# C++ Go Java JavaScript Kotlin Python Python3 Ruby Scala Swift hard
302 smallest-rectangle-enclosing-black-pixels C C# C++ Go Java JavaScript Kotlin Python Python3 Ruby Scala Swift hard
305 number-of-islands-ii C C# C++ Go Java JavaScript Kotlin Python Python3 Ruby Scala Swift hard
308 range-sum-query-2d-mutable C C# C++ Go Java JavaScript Kotlin Python Python3 Ruby Scala Swift hard
312 burst-balloons C C# C++ Go Java JavaScript Kotlin Python Python3 Ruby Scala Swift hard
315 count-of-smaller-numbers-after-self C C# C++ Go Java JavaScript Kotlin Python Python3 Ruby Scala Swift hard
316 remove-duplicate-letters C C# C++ Go Java JavaScript Kotlin Python Python3 Ruby Scala Swift hard
317 shortest-distance-from-all-buildings C C# C++ Go Java JavaScript Kotlin Python Python3 Ruby Scala Swift hard
321 create-maximum-number C C# C++ Go Java JavaScript Kotlin Python Python3 Ruby Scala Swift hard
327 count-of-range-sum C C# C++ Go Java JavaScript Kotlin Python Python3 Ruby Scala Swift hard
329 longest-increasing-path-in-a-matrix C C# C++ Go Java JavaScript Kotlin Python Python3 Ruby Scala Swift hard
330 patching-array C C# C++ Go Java JavaScript Kotlin Python Python3 Ruby Scala Swift hard
335 self-crossing C C# C++ Go Java JavaScript Kotlin Python Python3 Ruby Scala Swift hard
336 palindrome-pairs C C# C++ Go Java JavaScript Kotlin Python Python3 Ruby Scala Swift hard
340 longest-substring-with-at-most-k-distinct-characters C C# C++ Go Java JavaScript Kotlin Python Python3 Ruby Scala Swift hard
352 data-stream-as-disjoint-intervals C C# C++ Go Java JavaScript Kotlin Python Python3 Ruby Scala Swift hard
354 russian-doll-envelopes C C# C++ Go Java JavaScript Kotlin Python Python3 Ruby Scala Swift hard
358 rearrange-string-k-distance-apart C C# C++ Go Java JavaScript Kotlin Python Python3 Ruby Scala Swift hard
363 max-sum-of-rectangle-no-larger-than-k C C# C++ Go Java JavaScript Kotlin Python Python3 Ruby Scala Swift hard
381 insert-delete-getrandom-o1-duplicates-allowed C C# C++ Go Java JavaScript Kotlin Python Python3 Ruby Scala Swift hard
391 perfect-rectangle C C# C++ Go Java JavaScript Kotlin Python Python3 Ruby Scala Swift hard
403 frog-jump C C# C++ Go Java JavaScript Kotlin Python Python3 Ruby Scala Swift hard
407 trapping-rain-water-ii C C# C++ Go Java JavaScript Kotlin Python Python3 Ruby Scala Swift hard
410 split-array-largest-sum C C# C++ Go Java JavaScript Kotlin Python Python3 Ruby Scala Swift hard
411 minimum-unique-word-abbreviation C C# C++ Go Java JavaScript Kotlin Python Python3 Ruby Scala Swift hard
420 strong-password-checker C C# C++ Go Java JavaScript Kotlin Python Python3 Ruby Scala Swift hard
425 word-squares C C# C++ Go Java JavaScript Kotlin Python Python3 Ruby Scala Swift hard
432 all-oone-data-structure C C# C++ Go Java JavaScript Kotlin Python Python3 Ruby Scala Swift hard
440 k-th-smallest-in-lexicographical-order C C# C++ Go Java JavaScript Kotlin Python Python3 Ruby Scala Swift hard
446 arithmetic-slices-ii-subsequence C C# C++ Go Java JavaScript Kotlin Python Python3 Ruby Scala Swift hard
460 lfu-cache C C# C++ Go Java JavaScript Kotlin Python Python3 Ruby Scala Swift hard
465 optimal-account-balancing C C# C++ Go Java JavaScript Kotlin Python Python3 Ruby Scala Swift hard
466 count-the-repetitions C C# C++ Go Java JavaScript Kotlin Python Python3 Ruby Scala Swift hard
471 encode-string-with-shortest-length C C# C++ Go Java JavaScript Kotlin Python Python3 Ruby Scala Swift hard
472 concatenated-words C C# C++ Go Java JavaScript Kotlin Python Python3 Ruby Scala Swift hard
480 sliding-window-median C C# C++ Go Java JavaScript Kotlin Python Python3 Ruby Scala Swift hard
483 smallest-good-base C C# C++ Go Java JavaScript Kotlin Python Python3 Ruby Scala Swift hard
488 zuma-game C C# C++ Go Java JavaScript Kotlin Python Python3 Ruby Scala Swift hard
493 reverse-pairs C C# C++ Go Java JavaScript Kotlin Python Python3 Ruby Scala Swift hard
499 the-maze-iii C C# C++ Go Java JavaScript Kotlin Python Python3 Ruby Scala Swift hard
502 ipo C C# C++ Go Java JavaScript Kotlin Python Python3 Ruby Scala Swift hard
514 freedom-trail C C# C++ Go Java JavaScript Kotlin Python Python3 Ruby Scala Swift hard
517 super-washing-machines C C# C++ Go Java JavaScript Kotlin Python Python3 Ruby Scala Swift hard
527 word-abbreviation C C# C++ Go Java JavaScript Kotlin Python [Python3](./hard/python3/c0099_5

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