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anurag8546
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Institute of Engineering and Technology (IET) Lucknow
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Apnamart
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C++, Java
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BASIC (15)
EASY (101)
MEDIUM (215)
HARD (22)
Sorting Elements of an Array by Frequency
Sort a linked list of 0s, 1s and 2s
Add Number Linked Lists
Add 1 to a Linked List Number
Detect Loop in linked list
Check for BST
Merge Sort
Quick Sort
Bottom View of Binary Tree
Diameter of a Binary Tree
Stack using Queue
Tree Boundary Traversal
Implement stack using array
Delete a node from BST
Directed Graph Cycle
Undirected Graph Cycle
LCA in Binary Tree
Absolute List Sorting
Lowest Common Ancestor in a BST
The Celebrity Problem
Largest subarray with 0 sum
Topological Sort
Vertical Tree Traversal
Find the number of islands
Find kth element of spiral matrix
Get Min from Stack
Minimum Spanning Tree
Implement Atoi
Palindrome Linked List
Rat in a Maze
Bipartite Graph
Merge k Sorted Arrays
Find triplets with zero sum
Sort a stack
Top View of Binary Tree
k-th Smallest in BST
Peak element
Root to Leaf Paths
Maximum path sum
Children Sum in a Binary Tree
Find length of Loop
Kth Ancestor in a Tree
ZigZag Tree Traversal
Ceil in BST
Smallest Positive Missing
Power Of Numbers
Possible Words From Phone Digits
Stock buy and sell
Kadane's Algorithm
Majority Element
Count Inversions
Union of 2 Sorted Arrays
Merge Without Extra Space
Rotate by 90 degree
Distance of nearest cell having 1
Longest Consecutive Subsequence
Strings Rotations of Each Other
Case-specific Sorting of Strings
Stock span problem
Next Greater Element
Infix to Postfix
K Sized Subarray Maximum
Minimum Cost of ropes
Fractional Knapsack
Job Sequencing Problem
Minimum Platforms
Black and White
Target Sum Combinations
M-Coloring Problem
Minimum Jumps
Stickler Thief
Ways to Reach the n'th Stair
Longest Increasing Subsequence
Longest Common Subsequence
0 - 1 Knapsack Problem
Largest number
K nearest Points
Find the Average
Find jth element in ith row of a pascal triangle
Number of Unique Paths
Allocate Minimum Pages
Zero Sum Subarrays
Kth Smallest
Shortest Common Supersequence
Rotten Oranges
Top K Frequent in Array
Generate Parentheses
Sort 0s, 1s and 2s
Complement
Pascal Triangle
Maximize Number of 1's
Single Among Doubles in a Sorted
Single Among Doubles
Pythagorean Triplet
Search in Rotated Sorted Array
Count Full Binary Trees
Max Score from Subarray Mins
Add Binary Strings
Maximum Product Subarray
Row with max 1s
Substrings with K Distinct
Form a palindrome
Longest Subarray with Sum K
Next Smaller Element
Max Sum without Adjacents
Length of the longest substring
Sum of XOR of all pairs
Longest Common Substring
Longest Substring with K Uniques
Longest Palindrome in a String
K-th element of two Arrays
Rod Cutting
Longest Palindromic Subsequence
Build the smallest
Minimize the Heights II
3 Divisors
Minimum number of deletions and insertions
Coin Change (Count Ways)
Sieve of Eratosthenes
Perfect Sum Problem
Power Set
Knapsack with Duplicate Items
Subsets with XOR value
Partition Equal Subset Sum
Magic Triplets
Find nth root of m
Jumping Numbers
A Game of LCM
Grouping Of Numbers
Next Permutation
Missing number in matrix
Total Decoding Messages
Kth Largest in a Stream
Replace O's with X's
Two odd Occuring
Floyd Warshall
Flood fill Algorithm
Shortest Source to Destination Path
Base Equivalence
Spiral Matrix
Jump Game
Iterative Postorder
Subset Sum Problem
3 Sum Closest
Bellman-Ford
Capacity To Ship Packages Within D Days
Remove K Digits
Number of Provinces
Division without using multiplication, division and mod operator
Target Sum
Overlapping Intervals
Reverse a Stack
Enemy
Array Removals
Wine Buying and Selling
Number of Distinct Islands
K-periodic Circular String
Minimum Multiplications to reach End
Number Of Enclaves
Alex Travelling
Cheapest Flights Within K Stops
Shortest path in Directed Acyclic Graph
Majority Element - More Than n/3
Sum of Beauty of All Substrings
Koko Eating Bananas
Search in Rotated Array 2
Longest subarray with Atmost two distinct integers
Longest Repeating Character Replacement
Maximum Consecutive Ones
Count Subarray with k odds
Count Substring
Binary subarray with sum
Sum of subarray minimums
Frog Jump
Asteroid Collision
Minimal Cost
Sum of subarray ranges
Maximum point you can obtain from cards
Subarrays with K Distinct Integers
Combination Sum III
Aggressive Cows
Smallest Divisor
Subset II
Combination Sum II
Next Greater Element 2
Prime Factorization using Sieve
Prefix to Infix Conversion
Prefix to Postfix Conversion
Minimum days to make M bouquets
Generate all binary strings
Task Scheduler
Maximum Sum Combination
Minimum Window Substring
Replace elements by its rank in the array
Convert Min Heap to Max Heap
Shortest Job first
Count Number of Nodes in a Binary Tree
Floor in BST
Geeks And The String
Minimum repeat to make substring
Intersection Point in Y Shaped Linked Lists
BST Downward Traversal
Length of the longest subarray with positive product
Minimum Days
Maximum Intersecting Lines
Job Sequencing Problem
Another Coin Change Problem
Geek's Village and Wells
Find Number
Powerful Integer
Max Coins
Good Subtrees
Subtree In N-ary Tree
Maximum subset sum
Palindrome with minimum sum
Geek and New Job
Reverse a linked list
Delete in a Doubly Linked List
Inorder Traversal
Reverse a Doubly Linked List
Bubble Sort
Selection Sort
Insertion Sort
Right View of Binary Tree
Maximum Width of Tree
Height of Binary Tree
Balanced Tree Check
Kth from End of Linked List
Middle of a Linked List
Left View of Binary Tree
Delete Middle of Linked List
Postorder Traversal
Level Order in spiral form
DFS of Graph
Stack using Linked List
Insert a node in a BST
BFS of graph
Identical Trees
Square Root
Insertion at doubly linked list
Search a node in BST
Minimum distance in an Array
Inorder Successor in BST
Disjoint set (Union-Find)
Minimum element in BST
Symmetric Tree
Queue Reversal
Delete Mid of a Stack
Predict the Column
Check K-th Bit
Power of 2
Frequencies in a Limited Array
Array Leaders
Transpose of Matrix
Anagram
Isomorphic Strings
Parenthesis Checker
K largest elements
N meetings in one room
Single Appearance
Compress String
Missing And Repeating
Find Kth Rotation
Sorted and Rotated Minimum
Move All Zeroes to End
Missing number
Second Largest
Does array represent Heap
Convert an array to reduced form
Check if array is sorted
Longest Common Prefix of Strings
Minimum Operations
Count numbers containing 4
Reach the Nth point
Minimum number of Coins
Break a number
Page Faults in LRU
Prime Factors
Make Zeroes
Letters Collection
Primes sum
Maximum Sum LCM
Queue using stack
Minimum Swaps
Geek and Snow Fighting
Find pairs with given sum in doubly linked list
Multiset
Even Sum
Distinct Subsequence
Subsequence Mex
Again Permutation
Maximum Frequency
Police Station
Largest odd number in string
Maximum Nesting Depth of the Parentheses
All divisors of a Number
Find XOR of numbers from L to R.
Outermost Parentheses
Remove duplicates from a sorted doubly linked list
Assign Cookies
Bus Ticket Change
Introduction to Trees
Binary Search Trees
Unique Binary Tree Requirements
Type it!
Min operations
Toggle
Last cell in a Matrix
Balloon Everywhere
String Mirror
Make Palindrome
Binary Modulo
Total Cuts
Bit Magic
Array Operations
Unique Number of Occurrences
Linked List Group Reverse
Reorder List
Max rectangle
Alien Dictionary
Trapping Rain Water
Smallest window containing all characters
Histogram Max Rectangular Area
Max of min for every window size
Median of 2 Sorted Arrays of Different Sizes
Minimum sum partition
Matrix Chain Multiplication
Median in a row-wise sorted Matrix
Word Ladder II
Split Array Largest Sum
Scrambled String
Minimize Max Distance to Gas Station
Count Reverse Pairs
Candy
Better String
Select Nodes
Count Binary Strings With No Consecutive 1s
Cake Distribution Problem
Queue using Linked List
Queue Using Array
Preorder Traversal
Sum Except First and Last
Linked List Insertion At End
Insert in Middle of Linked List
Bit Difference
Print 1 To N Without Loop
One odd Occuring
Rotating an Array
Odd or Even
Set the rightmost unset bit
House Robber
Sum of first n terms
Swap two numbers
close
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