# Problem Solving

## 2022

Find and Replace Pattern LeetCode Solution

Mayukh Datta

Problem Solving
LeetCode

## 2020

HackerRank SQL Solutions

Mayukh Datta

Problem Solving
SQL

HackerRank Regex Solutions

Mayukh Datta

Problem Solving
Regex

## 2019

O(1) solution for: 1+(1+2)+(1+2+3)+...+(1+2+3+...+n)

Mayukh Datta

Problem Solving

Using Kamenetsky's formula to count digits in a factorial

Mayukh Datta

Problem Solving

Angle between hour and minute hand

Problem Solving

Check if given four points form a square or not?

Problem Solving

Dynamic Programming: Get Started in 2 Minutes

Mayukh Datta

Problem Solving

Sieve of Eratosthenes

Mayukh Datta

Problem Solving

Primality Test

Mayukh Datta

Problem Solving

Given a string "3(ab)4(cd)" expand it into "abababcdcdcdcd"

Problem Solving

## 2018

Automorphic Number

Problem Solving