You are given an array of N non-negative integers, A0, A1 ,…, AN-1.Considering each array element Ai as the edge length of some line segment

Given an array S of n integers, are there elements a, b, c in S such that a + b + c = 0? Find all unique triplets in the array which gives

Given an array S of n integers, find three integers in S such that the sum is closest to a given number, target.

Given a one-dimensional unsorted array A containing N integers. You are also given an integer B, find if there exists a pair of elements in

Given a string A of parantheses ‘(‘ or ‘)’. The task is to find minimum number of parentheses ‘(‘ or ‘)’ (at any positions) we must add to

Given a string A representing JSON object. Return an array of the string denoting JSON object with proper indentation.

Given a string A consisting of lowercase characters. We need to tell minimum characters to be appended (insertion at end) to make the strin

Given a string A and integer B, remove all consecutive same characters that have length exactly B.

Given a string A consisting of lowercase characters. You have to find the number of substrings in A which starts with vowel and end with co

Given an array of integers, every element appears thrice except for one which occurs once. Find that element which does not appear thrice.