You’re given an unsorted array of integers and asked to sort it in non-decreasing order using Bubble Sort, but implemented…
The GeeksforGeeks problem “Sum of first n terms” asks you to compute the value of and return the result. All…
The “Print N to 1 without loop” problem on GeeksforGeeks challenges you to output the integers from N down to…
The “Print N times with Recursion” problem on GeeksforGeeks asks you to output the string “GFG” exactly N times, using…
A prime number is a natural number greater than 1 that has no positive divisors other than 1 and itself.Formally,…
The LeetCode “4Sum” problem asks you to find all unique quadruplets in an integer array nums such that Key details:…
LeetCode #15 “3Sum” asks you to find all unique triplets (i, j, k) in an integer array such that The…
LeetCode “Spiral Matrix” (#54) asks you to return all the elements of an m × n matrix in clock-wise spiral…
LeetCode “Rotate Image” (#48) asks you to rotate an n × n square matrix 90° clockwise in-place (i.e., without returning…
If you’re preparing for coding interviews, the “Set Matrix Zeroes” problem is a must-know! In this blog, we’ll explain the…