Practice Programming

Given a non-negative subarray of size n, we have to find the index of subarrays such that their sum is equal to the given...

Given a binary 2D matrix, containing the combination of 1's and 0's, where 0's represents the water and 1's represents the land. Our task...

Given a directed graph G, and two vertices: start s & end e, count all possible way of reaching the vertex e from vertex...

Problem Statement: Given an array of n distinct elements, we have to find the minimum number of swaps required to sort the given array.Example...

We are given a directed graph with V vertices and we have to find whether this directed graph contains a cycle or not. A cycle...

We are given a rod of length L, our task is to cut the rod into segments of x, y & z such that...

Wildcard Pattern Matching - Given a text of length n and a wildcard pattern of length m, we are supposed to find whether the...

Given a histogram find the largest rectangle (rectangular area) that can be made out of the number of contiguous bars, assuming that every bar...

We are given two arrays, arr1 and arr2, that contains n, m number of distinct elements in unsorted order. We are supposed to find,...

We are given an array of n distinct integers and we have to find all triplets (3 elements), such that the sum of two...