Hello coders, Today we will see the solution ” Two Sum Leetcode Solution ” and both java and python programming languages. Let’s see the problem statement. Problem Statemen... Read more

Hello coders, Today we will see another Leetcode problem that is ” Maximum Subarray Leetcode Solution “. This problem is also a variance of subset sum problem. Let’s first... Read more

Hello coders, In this article, I am going to write another solution for another Leetcode Problem that is ” Contains Duplicate Leetcode Solution “. Problem statement: Given an int... Read more

Hello coders, Today I am going to solve another Leetcode problem titled ” Find the Duplicate Number Leetcode Solution “. As we know any number which appears more than once is kno... Read more

Check if it possible to jump to last position of Array Given an array with positive integers as elements indicating the maximum length of a jump which can be made from any position in the ar... Read more

Validating phone numbers Hackerrank solution Let’s dive into the interesting topic of regular expressions! You are given some input, and you are required to check whether they are vali... Read more

Validating Roman Numerals Hackerrank Solution Python You are given a string, and you have to validate whether it’s a valid Roman numeral. If it is valid, print True. Otherwise, pr... Read more

Regex Substitution Hackerrank Solution The re.sub() tool (sub stands for substitution) evaluates a pattern and, for each valid match, it calls a method (or... Read more

Re.start() & Re.end() HackerRank Solution Python start() & end() These expressions return the indices of the start and end of the substring matched by the group.... Read more

Re.findall() & Re.finditer() Hackerrank Solution re.findall() The expression re.findall() returns all the non-overlapping matches of patterns in a string as a list of strings.C... Read more