ID,Title,Acceptance,Difficulty,Frequency,Leetcode Question Link 236,Lowest Common Ancestor of a Binary Tree,45.7%,Medium,0.06122838444838759, https://leetcode.com/problems/lowest-common-ancestor-of-a-binary-tree 437,Path Sum III,47.2%,Medium,0.04550116684579005, https://leetcode.com/problems/path-sum-iii 443,String Compression,41.3%,Easy,0.029773949243192512, https://leetcode.com/problems/string-compression 981,Time Based Key-Value Store,53.1%,Medium,0.02132276946882123, https://leetcode.com/problems/time-based-key-value-store 146,LRU Cache,33.2%,Medium,0.017369086240613615, https://leetcode.com/problems/lru-cache 127,Word Ladder,29.6%,Medium,0.012849976929025548, https://leetcode.com/problems/word-ladder 273,Integer to English Words,27.1%,Hard,0.01153415324528653, https://leetcode.com/problems/integer-to-english-words 387,First Unique Character in a String,53.4%,Easy,0.008959741371471904, https://leetcode.com/problems/first-unique-character-in-a-string 20,Valid Parentheses,39.0%,Easy,0.004938010692392608, https://leetcode.com/problems/valid-parentheses 139,Word Break,40.1%,Medium,0.003755167762323698, https://leetcode.com/problems/word-break 283,Move Zeroes,57.8%,Easy,0.002758622439079723, https://leetcode.com/problems/move-zeroes 53,Maximum Subarray,46.5%,Easy,0.0020745819379855658, https://leetcode.com/problems/maximum-subarray 121,Best Time to Buy and Sell Stock,50.5%,Easy,0.0020383211296970956, https://leetcode.com/problems/best-time-to-buy-and-sell-stock 3,Longest Substring Without Repeating Characters,30.4%,Medium,0.0014852223137141987, https://leetcode.com/problems/longest-substring-without-repeating-characters