ID,Title,Acceptance,Difficulty,Frequency,Leetcode Question Link 695,Max Area of Island,62.7%,Medium,0.09988789637571764, https://leetcode.com/problems/max-area-of-island 127,Word Ladder,29.6%,Medium,0.06918942849168566, https://leetcode.com/problems/word-ladder 42,Trapping Rain Water,48.9%,Hard,0.038490960607653675, https://leetcode.com/problems/trapping-rain-water 729,My Calendar I,51.8%,Medium,0.036433902246102004, https://leetcode.com/problems/my-calendar-i 139,Word Break,40.1%,Medium,0.03451593709018879, https://leetcode.com/problems/word-break 332,Reconstruct Itinerary,36.7%,Medium,0.030687713231237448, https://leetcode.com/problems/reconstruct-itinerary 138,Copy List with Random Pointer,36.4%,Medium,0.02453734514188008, https://leetcode.com/problems/copy-list-with-random-pointer 103,Binary Tree Zigzag Level Order Traversal,48.3%,Medium,0.020730076462920684, https://leetcode.com/problems/binary-tree-zigzag-level-order-traversal 173,Binary Search Tree Iterator,56.6%,Medium,0.01899993824490396, https://leetcode.com/problems/binary-search-tree-iterator 131,Palindrome Partitioning,47.5%,Medium,0.013903595538577326, https://leetcode.com/problems/palindrome-partitioning 767,Reorganize String,48.7%,Medium,0.01329806830463147, https://leetcode.com/problems/reorganize-string 733,Flood Fill,55.3%,Easy,0.011217167530924988, https://leetcode.com/problems/flood-fill 208,Implement Trie (Prefix Tree),49.4%,Medium,0.009105457856626612, https://leetcode.com/problems/implement-trie-prefix-tree 238,Product of Array Except Self,60.1%,Medium,0.008821856860216758, https://leetcode.com/problems/product-of-array-except-self 13,Roman to Integer,55.7%,Easy,0.007698267425752388, https://leetcode.com/problems/roman-to-integer 200,Number of Islands,46.8%,Medium,0.006490251382779317, https://leetcode.com/problems/number-of-islands 15,3Sum,26.8%,Medium,0.004940992758742591, https://leetcode.com/problems/3sum