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

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

We define f(X, Y) as number of different corresponding bits in binary representation of X and Y. For example, f(2, 7) = 2,

Multiply Strings in C++, without using libraries for this purpose.

Problem Description: Given the array of strings A, you need to find the longest string S which is the prefix of ALL the strings in the arra

There are two sorted arrays A and B of size m and n respectively. Find the median of the two sorted arrays ( The median of the array formed

Given an array of integers A of size N and an integer B. array A is rotated at some pivot unknown to you beforehand. (i.e., 0 1 2 4 5 6 7 mi

Implement pow(x, n) % d. Note that remainders on division cannot be negative. In other words, make sure the answer you return is non-negati

Given a sorted array of integers A(0 based index) of size N, find the starting and ending position of a given integer B in array A. Your alg