Searching and Sorting

1. BinarySearch
2. IterativeQuickSort
3. QuickSort
4. MergeSort
5. Search in Rotated Sorted array
6. Search in Infinite Sorted array
7. SearchMinInRotatedSortedArray
8. Find PeakElement In array
9. Find First and LastPos of target In an Array
10. Missing Element

Design

1. Implement Singly Linked List.
2. Implement MinStack
3. Design a HashMap
4. Design a HashSet without using any built-in hash table libraries
5. Implement queue using stacks
6. Implement Stack using Linked List.
7. Implement Stack using Array

Array

1. Traverse Matrix Digonally
2. Find Disappeared Numbers in an array
3. Find Minimum and Maximum Number from array
4. Find Missing Number in an array
5. Product of Array Except Self
6. Print Matrix in Spiral order

Hashing

1. Group Anagrams
2. IsomorphicStrings
3. LongestPalindrome
4. Max Length Array
5. Sub array Sum equal to k
6. WordPattern
7. Two sum

Tree

1. Insert an element in a Binary Tree.

DFS

1. Game of Life

Two Pointer Approach

1. ContainerWithMostWater
2. SortColors
3. ThreeSum
4. Merge 2 sorted arrays
5. Remove Duplicates From Sorted array
6. Search 2 D Matrix

Dynamic Programming

1. CoinChange
2. CoinChange2
3. DeleteAndEarn
4. HouseRobber
5. Knapsack
6. MinFallPathSum
7. PaintHouse