Table of Contents

## BackTracking

Problem 1: N queen problem using backtracking

Problem 2: Rat In A Maze Problem

## Prefix Sum

Problem 1: Number of continuous sub array whose sum equals to k

Problem 2: Find Pivot Index

Problem 3: Little Girl and Maximum Sum

## Sliding window technique

Problem: Set 1: Easy

## Greedy Algorithm Problems

Problem: Set 1: Easy

Problem: Set 2: The celebrity problem

Problem: Set 3: 0-1 Knapsack Problem

## Binary Search Problems

Problem: Set 1: The Partition’s Problem

## Graph Problems

Problem: Set 1: Island Problem

Problem: Set 2: Graph Coloring

## Sorting

Problem: Set 1: Topological Sorting

Problem: Set 2: Duplicate and Missing Number

## Tree

Problem: Set 1: Sub Tree Problems

## Dynamic Programming

Problem: Set 1: Mashmokh And ACM

Problem: Set 2: BasketBall and Exercise

## Range Sum Query

Problem: Set 1: Hilbert’s Hotel Editorial