mark-vs-yandex LeetCode tasks for Yandex Status # Title Difficulty Solution ☑ 228 summary ranges Easy here ☐ 443 string compression Medium here ☑ 206 reverse linked list Easy here ☐ 22 generate parentheses Medium here ☐ 146 lru cache Medium here ☑ 283 move zeroes Easy here ☑ 125 valid palindrome Easy here ☐ 49 group anagrams Medium here ☐ 1493 longest subarray Medium here ☑ 20 valid parentheses Easy here ☐ 560 subarray sum equals k Medium here ☐ 380 insert delete getrandom o1 Medium here ☑ 1 two sum Easy here ☐ 23 merge k sorted lists Hard here ☐ 567 permutation in string Medium here ☐ 56 merge intervals Medium here ☑ 933 number of recent calls Easy here ☐ 98 validate binary search tree Medium here ☑ 232 implement queue using stacks Easy here ☐ 59 spiral matrix ii Medium here ☐ 1004 max consecutive ones iii Medium here ☐ 42 trapping rain water Hard here ☐ 3 longest substring without repeating characters Medium here ☐ 2 add two numbers Medium here ☑ 21 merge two sorted lists Easy here ☑ 88 merge sorted array Easy here ☑ 101 symmetric tree Easy here ☐ 268 missing number Easy here ☐ 48 rotate image Medium here ☐ 5 longest palindromic substring Medium here ☐ 332 reconstruct itinerary Medium here ☐ 658 find k closest elements Medium here ☐ 200 number of islands Medium here ☐ 392 is subsequence Easy here ☐ 849 maximize distance to closest person Medium here ☐ 4 median of two sorted arrays Hard here ☐ 974 subarray sums divisible by k Medium here ☐ 33 search in rotated sorted array Medium here ☐ 449 serialize and deserialize bst Medium here ☐ 977 squares of a sorted array Easy here ☐ 350 intersection of two arrays ii Easy here ☐ 19 remove nth node from end of list Medium here ☐ 85 maximal rectangle Hard here ☐ 34 find first and last position of element in sorted array Medium here ☐ 150 evaluate reverse polish notation Medium here ☐ 279 perfect squares Medium here ☐ 28 implement strstr Easy here ☐ 238 product of array except self Medium here ☐ 71 simplify path Medium here ☐ 234 palindrome linked list Easy here LeetCode tasks for practice Status # Title Difficulty Solution ☐ 7 Reverse Integer Easy here