- Tutorials
- Courses
Data Structure
Java
Python
HTML
Interview Preparation
Z
equbalzeeshan
STREAK
01/1426
days
Longest streak/Global longest streak
Language Used
C++, Java
Coding Score
1074
Problem Solved
308
Contest Rating
__
Campus Ambassador
shashikumahiar802 points
Contributor
802 points
Contributor
1 Point
Proficient
Proficient
100 Point
Scholar
Scholar
1k Point
Master
Master
10k Point
Ace
Ace
50k Point
2 submissions in current year
SCHOOL (0)
BASIC (13)
EASY (70)
MEDIUM (184)
HARD (41)
- Linked List Group Reverse
- Binary Tree to DLL
- Clone List with Next and Random
- Min distance between two given nodes of a Binary Tree
- Max rectangle
- LRU Cache
- Partition array to k subsets
- Alien Dictionary
- Smallest range in K lists
- Trapping Rain Water
- Smallest window containing all characters of another string
- Histogram Max Rectangular Area
- Find median in a stream
- Solve the Sudoku
- Burning Tree
- Merge Without Extra Space
- The Painter's Partition Problem-II
- Ugly Numbers
- Longest Prefix Suffix
- Wildcard string matching
- Edit Distance
- Minimum Points To Reach Destination
- Minimum sum partition
- Palindromic Partitioning
- Stock Buy and Sell – Max K Transactions Allowed
- Median in a row-wise sorted Matrix
- Boolean Parenthesization
- Word Break - 2
- N-Queen Problem
- Brackets in Matrix Chain Multiplication
- nCr mod M | Part 1
- Phone directory
- Word Wrap
- Huffman Encoding
- Water Connection Problem
- Word Break (Trie)
- Shortest Unique prefix for every word
- Stock Buy and Sell – Max 2 Transactions Allowed
- Min Chars to Add for Palindrome
- Largest rectangular sub-matrix whose sum is 0
- Queries on matrix
- Rearrange characters
- 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
- Quick Sort on Linked List
- Count BST nodes that lie in a given range
- Bottom View of Binary Tree
- Intersection in Y Shaped Lists
- Diameter of a Binary Tree
- Sum Tree
- Connect Nodes of Levels
- Flattening a Linked List
- Diagonal Tree Traversal
- Tree Boundary Traversal
- Directed Graph Cycle
- Undirected Graph Cycle
- LCA in Binary Tree
- Two Stacks in an Array
- The Celebrity Problem
- Largest subarray with 0 sum
- Topological sort
- Merge K sorted linked lists
- Find the number of islands
- Serialize and deserialize a binary tree
- Gas Station
- Wildcard Pattern Matching
- Generate IP Addresses
- Kth element in Matrix
- Is Binary Tree Heap
- Remove loop in Linked List
- Minimum Spanning Tree
- Largest BST
- Interleaved Strings
- Count Palindromic Subsequences
- Minimum Swaps to Sort
- Palindrome Linked List
- Rat in a Maze Problem - I
- Bipartite Graph
- BST with Dead End
- Merge k Sorted Arrays
- Bridge edge in a graph
- Sort a stack
- Duplicate Subtree
- Top View of Binary Tree
- k-th Smallest in BST
- Merge Sort for Linked List
- Euler circuit and Path
- Populate Inorder Successor for all nodes
- Construct Tree from Inorder & Preorder
- Isomorphic Trees
- Predecessor and Successor
- Duplicate Subtrees
- Sum of nodes on the longest path
- Kth Ancestor in a Tree
- ZigZag Tree Traversal
- Count Number of SubTrees having given Sum
- Maximum sum of Non-adjacent nodes
- Count total set bits
- Possible Words From Phone Digits
- Kadane's Algorithm
- Majority Element
- Count Inversions
- Triplet Sum in Array
- Merge Without Extra Space
- Spirally traversing a matrix
- Distance of nearest cell having 1
- Unit Area of largest region of 1's
- Subarray with 0 sum
- Longest Consecutive Subsequence
- Postfix Evaluation
- Stock span problem
- Next Greater Element
- K Sized Subarray Maximum
- Fractional Knapsack
- Job Sequencing Problem
- Minimum Platforms
- Largest number in K swaps
- Combination Sum
- M-Coloring Problem
- Minimum Jumps
- Stickler Thief
- Egg Dropping Puzzle
- Optimal Strategy For A Game
- Longest Increasing Subsequence
- Longest Common Subsequence
- 0 - 1 Knapsack Problem
- Allocate Minimum Pages
- Preorder to BST
- Zero Sum Subarrays
- Kth Smallest
- Nth Catalan Number
- Rotten Oranges
- Steps by Knight
- Maximize The Cut Segments
- Print Anagrams Together
- Rotate by 90 degree
- Word Break
- Prerequisite Tasks
- 4 Sum - All Quadruples
- Sort 0s, 1s and 2s
- Painting the Fence
- Search in Rotated Sorted Array
- Smallest factorial number
- Maximum Product Subarray
- Row with max 1s
- Column name from a given column number
- Nuts and Bolts Problem
- Longest Subarray with Sum K
- Count the Reversals
- Max Sum without Adjacents
- Factorials of large numbers
- k largest elements
- Longest Common Substring
- Smallest distinct window
- Longest Palindrome in a String
- K-th element of two Arrays
- Triplets with Smaller Sum
- Minimum swaps and K together
- LCS of three strings
- Longest Palindromic Subsequence
- First negative in every window of size k
- Maximum difference of zeros and ones in binary string
- Minimum sum
- Minimize the Heights II
- First and Last Occurrences
- Valid Substring
- Minimum number of deletions
- Minimum Swaps for Bracket Balancing
- Permutations of a String
- Number following a pattern
- Friends Pairing Problem
- Subarrays Product Less than K
- Unique Number II
- Max Sum Increasing Subsequence
- Minimum cost to fill given weight in a bag
- Coin Change (Count Ways)
- Mobile numeric keypad
- Gold Mine Problem
- Smallest number
- Longest subsequence-1
- Power Set
- Knapsack with Duplicate Items
- nCr
- Geek and its Game of Coins
- Maximum path sum in matrix
- Minimum steps to destination
- Partition Equal Subset Sum
- Longest Bitonic subsequence
- Array Pair Sum Divisibility Problem
- Subset Sums
- Game with String
- Two water Jug problem
- Next Permutation
- Longest Repeating Subsequence
- Longest alternating subsequence
- Decode the string
- Is Sudoku Valid
- Total Decoding Messages
- Stream First Non-repeating
- Segregate even and odd nodes in a Linked List
- Largest square formed in a matrix
- Check Mirror in N-ary tree
- Find the string in grid
- Floyd Warshall
- Negative weight cycle
- Maximum sum Rectangle
- Transfiguration
- Subset Sum Problem
- Coin Piles
- Rearrange characters
- Minimize the Heights I
- IPL 2021 - Match Day 2
- Overlapping Intervals
- Maximum product subset of an array
- K-th Largest Sum Contiguous Subarray
- Max Equal sum of 3 Stacks
- Buy Maximum Stocks
- Smallest sum contiguous subarray
- Array Removals
- Minimum Cost to cut a board into squares
- Stack Permutations
- Minimum time taken by each job to be completed given by a Directed Acyclic Graph
- Compress the array
- Delete N nodes after M nodes of a linked list
- Delete nodes having greater value on right
- Remove duplicates from an unsorted linked list
- Split a Linked List into two halves
- Reverse a Doubly Linked List
- Bubble Sort
- Insertion Sort
- Check for BST
- Right View of Binary Tree
- Height of Binary Tree
- Balanced Tree Check
- Kth from End of Linked List
- Check If Circular Linked List
- Left View of Binary Tree
- Transform to Sum Tree
- Intersection Sorted Linked Lists
- Remove Duplicates from a Sorted Linked List
- Stack using two queues
- Reverse Level Order Traversal
- Identical Trees
- Lowest Common Ancestor in a BST
- Binary Search
- Run Length Encoding
- Binary Tree to BST
- Unique rows in boolean matrix
- Leaves at Same Level or Not
- Multiply two linked lists
- Kth largest element in BST
- Three way partitioning
- Level order traversal
- Reverse Using Stack
- Reverse first K of a Queue
- Brothers From Different Roots
- Power of 2
- Isomorphic Strings
- Parenthesis Checker
- Generate Binary Numbers
- Minimum Cost of ropes
- N meetings in one room
- Reach a given score
- Count ways to N'th Stair
- Union of Arrays with Duplicates
- Product array puzzle
- Roman Number to Integer
- Max Value Permutation
- Missing And Repeating
- Sort by Set Bit Count
- Maximize sum after K negations
- Pairs with certain difference
- Common in 3 Sorted Arrays
- Chocolate Distribution Problem
- Find Pair Given Difference
- Swap and Maximize
- Remove Consecutive Characters
- Second most repeated string in a sequence
- Min Number of Flips
- Two sum -Pairs with 0 Sum
- Merge two binary Max heaps
- Shop in Candy Store
- Number of 1 Bits
- Max Sum Subarray of size K
- Nearest Perfect Square
- Check if it is possible to survive on Island
- Squares in N*N Chessboard
- BBT counter
- Required Rooms
- Arithmetic Number
- Overlapping rectangles
- Smallest Subset with Greater Sum
- Palindromic array
We use cookies to ensure you have the best browsing experience on our website. By using our site, you acknowledge that you have read and understood our Cookie Policy & Privacy Policy