- Two Sum
- Minimum Size Subarray Sum
- Median of Two Sorted Arrays
- Reverse Integer
- Container With Most Water
- Valid Parentheses
- Remove Duplicates from Sorted Array
- Remove Element
- Next Permutation
- Search in Rotated Sorted Array
- Search Insert Position
- Trapping Rain Water
- Rotate Image
- Grouping Anagrams
- Maximum Subarray
- Pascal's Triangle
- Best Time to Buy and Sell Stock II
- Valid Palindrome
- Single Number
- Min Stack
- Number of Islands
- Happy Number
- Contains Duplicate
- Rotate Array
- Power of Two
- Product of Array Except Self
- Valid Anagram
- First Bad Version
- Move Zeroes
- Reverse string
- Find the difference
- Fizz Buzz
- Minimum Moves to Equal Array Elements II
- Subarray Sum Equals K
- Palindromic Substrings
- Linked List Cycle
- Middle of the linked list
- Linked List Cycle II
- Valid Parenthesis String
- Implement stack using Queues
- Implement queue using stacks
- Sliding Window Maximum
- Design Circular Queue
- NQueens
- Sudoku Solver
- Maximum element (sliding window)
- Implement strstr()
- Remove all adj duplicates in a string
- sort according to frequency
- backspace string compare
- ransom note
- jewels and stones
- Largest Number
- Selection Sort
- Bubble sort
- Insertion Sort
- Merge sort
- Quick sort
- sorting a vector of pairs
- Activity selection
- Maximize toys
- Insertion at head,any position and tail
- length of linked list
- print the linked list
- deletion at head,tail and position p
- searching recursively,iteratively
- building a linked list
- reverse a linked list
- mid point of a linked list
- merging two sorted linked lists
- merge sort for linked lists
- Adding two numbers -Leetcode
- Binary to decimal -Leetcode
- Delete Node -Leetcode
- Remove duplicates sorted linked list -Leetcode
- Palindrome Linked list -Leetcode
- Linked List elements(Remove) -Leetcode
- next greater element -Leetcode
- Add two numbers II -Leetcode
- odd even linked list -Leetcode
- split linked list in parts -Leetcode
- Linkedlist components -Leetcode
- sort list -leetcode
- remove zero sum elements -Leetcode
- partition list -Leetcode
- insertion sort -Leetcode
- remove duplicates II -Leetcode
- rotate list -Leetcode
- Merge k sorted list -Leetcode
- Search in a rotated sotrted array
- upper and lower bound
- kth root of a number
- aggressive cows
- book allocation
- Basics
- count of nodes,sum of nodes
- Inorder traversal -Leetcode
- preorder traversal -Leetcode
- Level order traversal I Leetcode
- Level order traversal II Leetcode
- Diameter of a binary tree -Leetcode
- Binary tree is balanced or not -Leetcode
- Lowest Common ancestor -Leetcode
- Same tree -Leetcode
- symmetric tree -Leetcode
- Binary Tree Zigzag Level Order Traversal -Leetcode
- insertion and bfs
- searching
- deletion
- bst from sorted array
- bst from in and pre order traversal
- Two Sum IV - Input is a BST -Leetcode
- Kth Smallest Element in a BST -Leetcode
- How Many Numbers Are Smaller Than the Current Number -Leetcode
- N-Repeated Element in Size 2N Array -Leetcode
- Unique Number of Occurrences -Leetcode
- zero sum subarray
- Fibonacci
- MinCostClimbingStairs -Leetcode
- Climbing stairs -Leetcode
- Coin Change -Leetcode
- Range Sum Query -Leetcode
- Longest Increasing Subsequence -Leetcode
- Longest Common Subsequence -Leetcode
- Is Subsequence -Leetcode
- Divisor Game -Leetcode
- Matrix Sum Block -Leetcode
- Range Sum Query 2D - Immutable -Leetcode
- Minimum Path Sum- Leetcode
- Unique Paths -Leetcode
- Equal partition subset
- subsets of a given sum
- Rod cutting
- house theif
- longest palindromic substring
- longest palindromic subsequence
- count of number of palindromic substring
- longest commom substring
- Basics -insertion,deletion,print
- Merge k sorted arrays
- hotel visit
- Adj List for unweighted and weighted graphs
- breadth first search
- shortest path from a single node
- dfs
- number of components in the graph
- topological sort -dfs
- topological sort -bfs
- check if graph is a tree
- djikstra
- floof fill
- Bellman Ford
- Travelling salesman Problem
- Surrounded regions
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