The Longest Valid Parentheses Leetcode problem is a classic string problem that tests your ability to work with parentheses and logic structures. Here’s the problem statement: Given a string containing just the characters ‘(‘ and ‘)’, find the length of the longest valid (well-formed) parentheses substring. This blog post will walk you through several approaches … Read more
LeetCode problem 28, “Find the Index of the First Occurrence in a String“, asks us to locate the first index of a given substring (needle) in another string (haystack). If the substring is not found, we return -1. This is a classic problem in string searching with multiple approaches ranging from basic brute force to … Read more
The Longest Common Prefix problem on Leetcode is a classic string manipulation problem. Here’s the problem statement: Problem Statement: Write a function to find the longest common prefix string amongst an array of strings.If there is no common prefix, return an empty string “”. Examples: Example 1: Example 2: Naive Solution: Compare Characters Iteratively Approach: … Read more
Introduction The Reverse Integer problem is a classic LeetCode challenge, categorized as an Easy level problem, but it’s a great exercise in understanding integer manipulation and overflow handling. This problem is frequently asked in coding interviews, making it a must-practice for aspiring developers. In this blog post, we’ll break down the problem, explore different solution … Read more