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20. Valid Parentheses - JavaScript Solution - by Abu Saleh Faysal

Feb 10, 20232 min read

An array of parentheses are given. We need to find out if the array contains both opening and closing parentheses or not. Steps: Declare a variable...

20. Valid Parentheses - JavaScript Solution - by Abu Saleh Faysal

14. Longest Common Prefix - JavaScript Solution - by Abu Saleh Faysal

Jan 20, 20232 min read

After seeing the problem, I determined that iterating the first element of the array and iterating the whole array could be a straightforward approach...

14. Longest Common Prefix - JavaScript Solution - by Abu Saleh Faysal

13. Roman to Integer - JavaScript Solution - by Abu Saleh Faysal

Dec 7, 20222 min read

Given a roman numeral, we need to convert it to an integer. After seeing the problem, I thought that I can try with an object to store the roman...

13. Roman to Integer - JavaScript Solution - by Abu Saleh Faysal

9. Palindrome Number - JavaScript Solution - by Abu Saleh Faysal

Nov 16, 20221 min read

Checking "Palindrome number" is a very widespread problem. Compared to the other languages, I found it easier to solve this problem with...

9. Palindrome Number - JavaScript Solution - by Abu Saleh Faysal

1. Two Sum - Leetcode - JavaScript Solution using HashMap - by Abu Saleh Faysal

Nov 12, 20222 min read

I previously solved this problem using two for loops. However, that was not a very efficient way to solve this problem. So, this time I solved this...

1. Two Sum - Leetcode - JavaScript Solution using HashMap - by Abu Saleh Faysal

1. Two Sum — Leetcode — JavaScript Solution using for loops - by Abu Saleh Faysal

Nov 10, 20222 min read

1. Two Sum Given an array of integers nums and an integer target, return indices of the two numbers such that they add up to target. You may assume...

1. Two Sum — Leetcode — JavaScript Solution using for loops - by Abu Saleh Faysal