Different Ways to Add Parentheses : An Optimised Approach
Problem Explanation You are given a string expression that consists of numbers and operators (+, -, *). The goal…
algorithms
Contains Duplicate III – A Hard Problem Made Easy
Are you struggling with the “Contains Duplicate III” problem? You’re not alone! This problem is categorized as…
Solving the Asteroid Collision Problem in C++ Using Stack
The Asteroid Collision Problem is a popular coding challenge often encountered in technical interviews and competitive programming…
Efficient Approaches to Find the K-th Missing Number
Introduction The K-th missing number problem is a common challenge in coding competitions and technical interviews. In…
Solving Subarray Sum Equal to K: Brute Force and Optimal Approaches Using Prefix Sum
The Subarray Sum Equal to K problem is a popular coding challenge that requires you to find…
Trapping Rainwater Problem: A Detailed Approach to Solve the Coding Challenge
The Trapping Rainwater problem is a classic coding challenge that tests your understanding of arrays, dynamic programming,…
Set Matrix Zeroes: Brute Force and Optimal Approaches for Efficient Solutions
In many coding problems, one often needs to manipulate a matrix based on certain conditions. A classic…
Minimum Time to Repair Cars: A Comprehensive Guide to Optimizing Car Repairs
If you’ve ever wondered how to efficiently manage a garage with multiple mechanics repairing cars, this problem…
How to Count Occurrences of Anagrams in a String: A Step-by-Step Guide
Given a word pat and a text txt. Return the count of the occurrences of anagrams of the word in…
Efficient Sliding Window Approach to Find the First Negative Number in Every Window
To solve the problem of finding the first negative number in every window of size k in…