ID,Title,Acceptance,Difficulty,Frequency,Leetcode Question Link 736,Parse Lisp Expression,47.5%,Hard,0.7290367865107017, https://leetcode.com/problems/parse-lisp-expression 381,Insert Delete GetRandom O(1) - Duplicates allowed,34.1%,Hard,0.49586980740929654, https://leetcode.com/problems/insert-delete-getrandom-o1-duplicates-allowed 695,Max Area of Island,62.7%,Medium,0.31425595727716876, https://leetcode.com/problems/max-area-of-island 380,Insert Delete GetRandom O(1),47.5%,Medium,0.08108897817576358, https://leetcode.com/problems/insert-delete-getrandom-o1 49,Group Anagrams,56.9%,Medium,0.05662724563684648, https://leetcode.com/problems/group-anagrams 200,Number of Islands,46.8%,Medium,0.033359117749874545, https://leetcode.com/problems/number-of-islands 362,Design Hit Counter,63.7%,Medium,0.024317307650706343, https://leetcode.com/problems/design-hit-counter 322,Coin Change,35.5%,Medium,0.008671409957551127, https://leetcode.com/problems/coin-change 230,Kth Smallest Element in a BST,60.2%,Medium,0.006085520073802784, https://leetcode.com/problems/kth-smallest-element-in-a-bst 127,Word Ladder,29.6%,Medium,0.005731495844689608, https://leetcode.com/problems/word-ladder 42,Trapping Rain Water,48.9%,Hard,0.00411947029523883, https://leetcode.com/problems/trapping-rain-water 1,Two Sum,45.6%,Easy,0.003139596786381058, https://leetcode.com/problems/two-sum