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Articles tagged with #data-structures
Let's discuss today the problem 378. Kth Smallest Element in a Sorted Matrix at leetcode. Problem link https://leetcode.com/problems/kth-smallest-element-in-a-sorted-matrix/ The example in question has following Input: matrix = [ [1,5,9] [10,11,13] ...
647. Palindromic Substrings -Leetcode Question Given a string s, return the number of palindromic substrings in it. A string is a palindrome when it reads the same backward as forward. A substring is a contiguous sequence of characters within...
Question Link : https://leetcode.com/problems/binary-tree-right-side-view/ It is pretty simple explanation if you visualize the tree .If we do level order traversal and keep each level node values in a list (keeping from left to right) the last val...
