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LeetCode

Total problems: 109, easy: 32, medium: 65, hard: 12

# Title Solution Difficulty
1 two-sum Kotlin Easy
2 add-two-numbers Kotlin Easy
3 longest-substring-without-repeating-characters Kotlin Medium
5 longest-palindromic-substring Kotlin Medium
6 zig-zag-conversion Kotlin Medium
7 reverse-integer Kotlin Easy
8 string-to-integer-atoi Kotlin Medium
9 palindrome-number Kotlin Easy
10 regular-expression-matching Kotlin Hard
11 container-with-most-water Kotlin Medium
12 integer-to-roman Kotlin Medium
13 roman-to-integer Kotlin Easy
14 longest-common-prefix Kotlin Easy
15 3-sum Kotlin Medium
16 3-sum-closest Kotlin Medium
17 letter-combinations-of-a-phone-number Kotlin Medium
18 4-sum Kotlin Medium
19 remove-nth-node-from-end-of-list Kotlin Medium
20 valid-parentheses Kotlin Easy
21 merge-two-sorted-lists Kotlin Easy
22 generate-parentheses Kotlin Medium
23 merge-k-sorted-lists Kotlin Hard
24 swap-nodes-in-pairs Kotlin Medium
25 reverse-nodes-in-k-group Kotlin Hard
26 remove-duplicates-from-sorted-array Kotlin Easy
27 remove-element Kotlin Easy
28 implement-str-str Kotlin Easy
29 divide-two-integers Kotlin Medium
31 next-permutation Kotlin Medium
32 longest-valid-parentheses Kotlin Hard
33 search-in-rotated-sorted-array. C++ Medium
34 find-first-and-last-position-of-element-in-sorted-array Kotlin Medium
38 count-and-say Kotlin Easy
44 wildcard-matching Kotlin Hard
50 pow-x-n Kotlin Medium
53 maximum-subarray Kotlin Easy
55 jump-game Kotlin Medium
60 permutation-sequence Kotlin Medium
62 unique-paths Kotlin Medium
63 unique-paths-ii Kotlin Medium
64 minimum-path-sum Kotlin Medium
67 add-binary Kotlin Easy
69 sqrt-x Kotlin Easy
70 climbing-stairs Kotlin Easy
72 edit-distance Kotlin Hard
85 maximal-rectangle Kotlin Hard
91 decode-ways Kotlin Medium
94 binary-tree-inorder-traversal Kotlin Medium
95 unique-binary-search-trees-ii Kotlin Medium
96 unique-binary-search-trees Kotlin Medium
98 validate-binary-search-tree Kotlin Medium
104 maximum-depth-of-binary-tree Kotlin Easy
112 path-sum Kotlin Easy
114 flatten-binary-tree-to-linked-list Kotlin Medium
120 triangle Kotlin Medium
127 word-ladder Kotlin Medium
134 gas-station Kotlin Medium
139 word-break Kotlin Medium
140 word-break-ii Kotlin Hard
162 find-peak-element Kotlin Medium
169 majority-element Kotlin Easy
198 house-robber Kotlin Easy
204 count-primes Kotlin Easy
207 course-schedule Kotlin Medium
210 course-schedule-ii Kotlin Medium
213 house-robber-ii Kotlin Medium
264 ugly-number-ii Kotlin Medium
268 missing-number Kotlin Easy
279 perfect-squares Kotlin Medium
300 longest-increasing-subsequence Kotlin Medium
303 range-sum-query-immutable Kotlin Easy
304 range-sum-query-2-d-immutable Kotlin Medium
310 minimum-height-trees Kotlin Medium
322 coin-change Kotlin Medium
329 longest-increasing-path-in-a-matrix Kotlin Hard
372 super-pow Kotlin Medium
402 remove-k-digits Kotlin Medium
515 find-largest-value-in-each-tree-row Kotlin Medium
621 task-scheduler Kotlin Medium
859 buddy-strings Kotlin Easy
869 reordered-power-of-2 Kotlin Medium
872 leaf-similar-trees Kotlin Easy
999 available-captures-for-rook Kotlin Easy
1038 binary-search-tree-to-greater-sum-tree Kotlin Medium
1305 all-elements-in-two-binary-search-trees Kotlin Medium
1306 jump-game-iii Kotlin Medium
1309 decrypt-string-from-alphabet-to-integer-mapping Kotlin Easy
1362 closest-divisors Kotlin Medium
1370 increasing-decreasing-string Kotlin Easy
1374 generate-a-string-with-characters-that-have-odd-counts Kotlin Easy
1375 bulb-switcher-iii Kotlin Medium
1376 time-needed-to-inform-all-employees Kotlin Medium
1377 frog-position-after-t-seconds Kotlin Hard
1380 lucky-numbers-in-a-matrix Kotlin Easy
1381 design-a-stack-with-increment-operation Kotlin Medium
1382 balance-a-binary-search-tree Kotlin Medium
1404 number-of-steps-to-reduce-a-number-in-binary-representation-to-one Kotlin Medium
1405 longest-happy-string Kotlin Medium
1472 design-browser-history Kotlin Medium
1473 paint-house-iii Kotlin Hard
1487 making-file-names-unique Kotlin Medium
1550 three-consecutive-odds Kotlin Easy
1551 minimum-operations-to-make-array-equal Kotlin Medium
1552 magnetic-force-between-two-balls Kotlin Medium
1582 special-positions-in-a-binary-matrix Kotlin Easy
1583 count-unhappy-friends Kotlin Medium
1584 min-cost-to-connect-all-points Kotlin Medium
1585 check-if-string-is-transformable-with-substring-sort-operations Kotlin Hard
1589 maximum-sum-obtained-of-any-permutation Kotlin Medium

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