#problem-solving-skills
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Reverse a singly linked list. Example: Input: 1->2->3->4->5->NULL Output: 5->4->3->2->1->NULL Solution: Approach 1: Recursive ListNode*...
Given an array of integers nums and an integer target, return indices of the two numbers such that they add up to target. You may assume that each...
Given an array A[] consisting 0s, 1s and 2s. The task is to write a function that sorts the given array. The functions should put all 0s first, then...