ID,Title,Acceptance,Difficulty,Frequency,Leetcode Question Link 238,Product of Array Except Self,60.1%,Medium,0.04853298095508739, https://leetcode.com/problems/product-of-array-except-self 98,Validate Binary Search Tree,27.8%,Medium,0.030442797394926606, https://leetcode.com/problems/validate-binary-search-tree 973,K Closest Points to Origin,63.8%,Medium,0.012352613834765824, https://leetcode.com/problems/k-closest-points-to-origin