202,Happy Number,50.4%,Easy,3.472501931831341, https://leetcode.com/problems/happy-number 20,Valid Parentheses,39.0%,Easy,2.091183527592892, https://leetcode.com/problems/valid-parentheses 322,Coin Change,35.5%,Medium,0.7098651233544434, https://leetcode.com/problems/coin-change 121,Best Time to Buy and Sell Stock,50.5%,Easy,0.24778819384825912, https://leetcode.com/problems/best-time-to-buy-and-sell-stock 1328,Break a Palindrome,43.3%,Medium,0.21795507637539235, https://leetcode.com/problems/break-a-palindrome 31,Next Permutation,32.6%,Medium,0.11480808652664298, https://leetcode.com/problems/next-permutation 273,Integer to English Words,27.1%,Hard,0.10380963271229693, https://leetcode.com/problems/integer-to-english-words 9,Palindrome Number,48.4%,Easy,0.08804403243108966, https://leetcode.com/problems/palindrome-number 1,Two Sum,45.6%,Easy,0.07889903801250679, https://leetcode.com/problems/two-sum 7,Reverse Integer,25.8%,Easy,0.054824382173728654, https://leetcode.com/problems/reverse-integer 17,Letter Combinations of a Phone Number,46.8%,Medium,0.052632421620123555, https://leetcode.com/problems/letter-combinations-of-a-phone-number 200,Number of Islands,46.8%,Medium,0.04526299408355752, https://leetcode.com/problems/number-of-islands 53,Maximum Subarray,46.5%,Easy,0.04299340685592046, https://leetcode.com/problems/maximum-subarray 5,Longest Palindromic Substring,29.5%,Medium,0.035860192879893796, https://leetcode.com/problems/longest-palindromic-substring 4,Median of Two Sorted Arrays,29.6%,Hard,0.034565653112280895, https://leetcode.com/problems/median-of-two-sorted-arrays 33,Search in Rotated Sorted Array,34.5%,Medium,0.0287009496170278, https://leetcode.com/problems/search-in-rotated-sorted-array 146,LRU Cache,33.2%,Medium,0.028411001832779885, https://leetcode.com/problems/lru-cache 349,Intersection of Two Arrays,62.5%,Easy,0.016239981598488416, https://leetcode.com/problems/intersection-of-two-arrays 79,Word Search,35.6%,Medium,0.014883688014740005, https://leetcode.com/problems/word-search 215,Kth Largest Element in an Array,55.4%,Medium,0.008759180089881562, https://leetcode.com/problems/kth-largest-element-in-an-array 39,Combination Sum,56.1%,Medium,0.005715934396440999, https://leetcode.com/problems/combination-sum 387,First Unique Character in a String,53.4%,Easy,0.00418541994270691, https://leetcode.com/problems/first-unique-character-in-a-string