Graph Coloring Problem
Problem Statement Graph colouring problem involves assigning colours to certain elements of a graph subject to certain restrictions…
Browsing Category
Coding Problems
112 posts
XOR of Two Numbers
Problem Statement Given 2 numbers, find their bitwise XOR, without using the bitwise XOR operator. Sample Test Cases…
Edit Distance Problem
Problem Statement Given two strings A and B, find the minimum number of steps required to convert A…
Permutation Of String
Problem Statement Given a string S. The task is to print all the possible permutations of the given…
Merge Intervals (With Solution)
Problem Statement Given N intervals, where each interval denotes startTime and endTime. The task is to merge all…
Strassen’s Matrix Multiplication
Problem Statement Why Strassen’s matrix algorithm is better than normal matrix multiplication and How to multiply two matrices…
Delete Node in a Linked List
Problem Statement Given the linked list. The task is to delete the node of the linked list and…
N-ary Tree – Tree Data Structures
Introduction N-ary trees are tree data structures that allow us to have up to n children nodes for…
Josephus Problem
Problem Statement There are N people standing in a circle numbered from 1 to N. Also given an…
Happy Number
Problem Statement Given an integer N. The task is to determine if N is a Happy Number. A …