ID,Title,Acceptance,Difficulty,Frequency,Leetcode Question Link 268,Missing Number,51.7%,Easy,0.2527134652732994, https://leetcode.com/problems/missing-number 165,Compare Version Numbers,27.4%,Medium,0.2071910405067907, https://leetcode.com/problems/compare-version-numbers 37,Sudoku Solver,43.6%,Hard,0.1087554815281622, https://leetcode.com/problems/sudoku-solver 21,Merge Two Sorted Lists,53.5%,Easy,0.10492581036140783, https://leetcode.com/problems/merge-two-sorted-lists 200,Number of Islands,46.8%,Medium,0.006490251382779317, https://leetcode.com/problems/number-of-islands