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STREAK
145/1426
days
Longest streak/Global longest streak
Institution
liet
Language Used
Python, C++, Java
Coding Score
1624
Problem Solved
438
Contest Rating
1564
4 points
Contributor
4 points
Contributor
1 Point
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Proficient
100 Point
Scholar
Scholar
1k Point
Master
Master
10k Point
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50k Point
250 submissions in current year
SCHOOL (0)
BASIC (3)
EASY (130)
MEDIUM (251)
HARD (54)
- Reverse a linked list
- Inorder Traversal
- Reverse a Doubly Linked List
- Check for BST
- K distance from root
- Mirror Tree
- Delete without head pointer
- Height of Binary Tree
- Middle of a Linked List
- Left View of Binary Tree
- Delete Middle of Linked List
- Decimal Equivalent of Binary Linked List
- Intersection Sorted Linked Lists
- Find Transition Point
- Level Order in spiral form
- Reverse Level Order Traversal
- DFS of Graph
- BFS of graph
- Identical Trees
- Nodes without a Sibling
- Lowest Common Ancestor in a BST
- Largest subarray of 0's and 1's
- Remove every k'th node
- Leaves at Same Level or Not
- Multiply two linked lists
- Count distinct elements in every window
- Three way partitioning
- Level order traversal
- Split Linked List Alternatingly
- Sum of leaf nodes in BST
- More than n/k Occurrences
- Symmetric Tree
- Count Pairs whose sum is equal to X
- Find length of Loop
- Reverse First K elements of Queue
- Closest Neighbour in BST
- Brothers From Different Roots
- Swap the array elements
- Predict the Column
- Xoring and Clearing
- Reverse an Array
- Rightmost different bit
- Equilibrium Point
- Roof Top
- Sum of upper and lower triangles
- Print Matrix in snake Pattern
- Rotate by 90 degree
- Anagram
- Winner of an election
- String Rotated by 2 Places
- Strings Rotations of Each Other
- Isomorphic Strings
- Reverse Words
- Panagram Checking
- Non Repeating Character
- Parenthesis Checker
- Reach a given score
- Count ways to N'th Stair
- Union of Arrays with Duplicates
- Missing in Array
- Product array puzzle
- Sort 0s, 1s and 2s
- Missing And Repeating
- Count the elements
- Sorted and Rotated Minimum
- Search in a Row-Column sorted matrix
- Move All Zeroes to End
- Remove all duplicates from a given string
- Count pairs Sum in matrices
- Bitonic Point
- Single Number
- Alternate positive and negative numbers
- Facing the sun
- Second Largest
- Two Sum - Pair with Given Sum
- Number of occurrence
- Does array represent Heap
- Sum Pair closest to target
- Find missing in second array
- String's Count
- Longest substring with distinct characters
- Substrings with same first and last characters
- Segregate 0s and 1s
- Play With OR
- At Least K Occurrences
- Total count
- Pair with given sum in a sorted array
- Divisibility by 8
- Reverse Bits
- Max Sum Subarray of size K
- Maximum Sum Problem
- Party of Couples
- Shortest path from 1 to n
- Reach the Nth point
- Recamans sequence
- Recursive sequence
- Juggler Sequence
- Row with minimum number of 1's
- Inorder Traversal and BST
- Letters Collection
- Print Pattern
- Sum of dependencies in a graph
- Smallest window containing 0, 1 and 2
- Insert an Element at the Bottom of a Stack
- Fibonacci series up to Nth term
- Stock Buy and Sell – Max one Transaction Allowed
- Divisor Game
- Find the first node of loop in linked list
- Antique Collections
- Magic Array
- Not a palindromic string
- Equality
- Frequency of every Element
- Geek & Geekina Purchasing Ice Cream
- First Word
- Geek String
- Distribute Balls
- Two Swaps
- Maximize partitions in a String
- Smallest Substring
- Count pairs with given sum
- Count Pairs whose sum is less than target
- Intersection of Two arrays with Duplicate Elements
- Search in a row-wise sorted matrix
- Find Only Repetitive Element from 1 to n-1
- Array Balancing Cost
- Maximum Score
- Minimum Cost to buy Candies
- Unique Number I
- Different Modulo Subsequence
- Rotate a Linked List
- Sort a linked list of 0s, 1s and 2s
- Add Number Linked Lists
- Merge 2 sorted linked list in reverse order
- Detect Loop in linked list
- Insert in Sorted Circular Linked List
- Binary Tree from Inorder and Postorder
- Diameter of a Binary Tree
- Merge two sorted linked lists
- Tree Boundary Traversal
- Directed Graph Cycle
- Undirected Graph Cycle
- Topological sort
- Merge K sorted linked lists
- Find the number of islands
- Get Min from Stack
- Serialize and deserialize a binary tree
- Gas Station
- Kth element in Matrix
- Is Binary Tree Heap
- Remove loop in Linked List
- Dijkstra Algorithm
- Additive sequence
- Multiply two strings
- Implement Atoi
- Palindrome Linked List
- Print matrix in diagonal pattern
- BST with Dead End
- Merge two BST 's
- Bridge edge in a graph
- k-th Smallest in BST
- Euler Circuit in an Undirected Graph
- Euler circuit and Path
- Binary Tree to CDLL
- Pair Sum in BST
- Root to Leaf Paths
- Linked List that is Sorted Alternatingly
- K Sum Paths
- Construct Tree from Inorder & Preorder
- Arrange Consonants and Vowels
- Count the nodes at distance K from leaf
- Vertical sum
- Maximum path sum from any node
- Predecessor and Successor
- Children Sum in a Binary Tree
- Diagonal sum in binary tree
- Deletion and Reverse in Circular Linked List
- Sum of nodes on the longest path
- ZigZag Tree Traversal
- Maximum sum of Non-adjacent nodes
- Gray to Binary equivalent
- Smallest Positive Missing
- Rotate and delete
- Maximum Index
- Rotate Array
- Kadane's Algorithm
- Majority Element
- Count Inversions
- Two Repeated Elements
- Union of Two Sorted Arrays with Duplicate Elements
- Indexes of Subarray Sum
- Count the number of possible triangles
- Merge Without Extra Space
- Spirally traversing a matrix
- Search in a sorted Matrix
- Determinant of a Matrix
- Subarray with 0 sum
- Subarray range with given sum
- Longest Consecutive Subsequence
- Strings Rotations of Each Other
- Case-specific Sorting of Strings
- Evaluation of Postfix Expression
- Stock span problem
- Next Greater Element
- K Sized Subarray Maximum
- Activity Selection
- Fractional Knapsack
- Job Sequencing Problem
- Minimum Platforms
- Largest number in K swaps
- Minimum Jumps
- Detect Cycle using DSU
- Stickler Thief
- Ways to Reach the n'th Stair
- Optimal Strategy For A Game
- Sum of all substrings of a number
- Longest Increasing Subsequence
- Longest Common Subsequence
- 0 - 1 Knapsack Problem
- Allocate Minimum Pages
- Implement Trie
- Shortest Common Supersequence
- Rotten Oranges
- Container With Most Water
- Print Anagrams Together
- Top K Frequent in Array
- Word Break
- Stock Buy and Sell – Multiple Transaction Allowed
- Word Search
- Paths to reach origin
- Pascal Triangle
- Number of subarrays with maximum values in given range
- Top k numbers in a stream
- Longest Span in two Binary Arrays
- Consecutive 1's not allowed
- Pythagorean Triplet
- Painting the Fence
- Search in Rotated Sorted Array
- Sum of bit differences
- Largest Number formed from an Array
- Add Binary Strings
- Maximum Product Subarray
- Longest subarray with sum divisible by K
- Check if a string is repetition of its substring of k-length
- Sort the given array after applying the given equation
- Check if frequencies can be equal
- Substrings with K Distinct
- Palindrome SubStrings
- Longest Subarray with Sum K
- Max Sum without Adjacents
- Search Pattern (KMP-Algorithm)
- Shuffle integers
- Find the N-th character
- k largest elements
- Smallest distinct window
- Longest Palindrome in a String
- Look and Say Pattern
- K-th element of two Arrays
- K closest elements
- Missing element of AP
- LCS of three strings
- Longest Palindromic Subsequence
- Largest Sum Subarray of Size at least K
- Equalize the Towers
- Minimum sum
- Not a subset sum
- Minimize the Heights II
- Transform to prime
- Minimum Deletions
- Print N-bit binary numbers having more 1s than 0s
- Permutations of a String
- Number following a pattern
- Sum of Products
- Unique Number II
- Modular Exponentiation for large numbers
- Game of XOR
- Modified Game of Nim
- Minimum number of deletions and insertions
- Maximize dot product
- Coin Change (Count Ways)
- Sequence of Sequence
- Mobile numeric keypad
- Gold Mine Problem
- Coin Change (Minimum Coins)
- Dice throw
- Power Set
- Count ways to N'th Stair(Order does not matter)
- nCr
- Minimum steps to destination
- Partition Equal Subset Sum
- Count possible ways to construct buildings
- Count digit groupings of a number
- Array Pair Sum Divisibility Problem
- Number of paths in a matrix with k coins
- Game with String
- Smith Number
- Next Permutation
- Maximum sum of hour glass
- How Many X's?
- Exit Point in a Matrix
- Decode the string
- Total Decoding Messages
- Print leaf nodes from preorder traversal of BST
- Rohan's Love for Matrix
- Traverse All Edges And Vertices
- Count the paths
- Floyd Warshall
- Flood fill Algorithm
- Techfest and the Queue
- Largest subsquare surrounded by X
- Police and Thieves
- Subset Sum Problem
- Search Pattern (Rabin-Karp Algorithm)
- All Palindromic Partitions
- Bellman-Ford
- Subarrays with sum K
- Coin Piles
- Remove K Digits
- Maximum XOR of two numbers in an array
- Find duplicate rows in a binary matrix
- Find rectangle with corners as 1
- Paths from root with a specified sum
- Shortest Prime Path
- Insertion Sort for Singly Linked List
- Minimize the Heights I
- Anti Diagonal Traversal of Matrix
- Unique Number III
- All Unique Permutations of an array
- Course Schedule
- Clone an Undirected Graph
- Min Cost Climbing Stairs
- Overlapping Intervals
- Stock Buy and Sell – Max 2 Transactions Allowed
- K-th Largest Sum Contiguous Subarray
- Maximum Meetings in One Room
- Buy Maximum Stocks
- Exactly one swap
- Find shortest safe route in a matrix
- Graph is Tree or Not
- City With the Smallest Number of Neighbors at a Threshold Distance
- Majority Element II
- Koko Eating Bananas
- Minimal Cost
- Aggressive Cows
- Smallest Divisor
- Combination Sum II
- Minimum Absolute Difference In BST
- Non-overlapping Intervals
- Stickler Thief II
- Insert Interval
- Longest String Chain
- Largest Divisible Subset
- Prime List
- Water the plants
- Unique Paths in a Grid
- Number of Good Components
- Remove the balls
- New Year Resolution
- Grinding Geek
- Flatten BST to sorted list
- Last Fairy Standing
- Minimize the Difference
- Pairs violating the BST property
- Kth common ancestor in BST
- Kth Missing Positive Number in a Sorted Array
- Count Subarrays with given XOR
- Set Matrix Zeroes
- Palindromic Substrings
- Find All Triplets with Zero Sum
- Search in an almost Sorted Array
- Find H-Index
- Longest Subarray with Majority Greater than K
- Count all triplets with given sum in sorted array
- Implement Pow
- K Closest Points to Origin
- Longest Bounded-Difference Subarray
- Binary String
- Unique Node Counts
- Minimize SubArray Sum
- Lexicographically Largest String After K Deletions
- Group Balls by Sequence
- Linked List Group Reverse
- Binary Tree to DLL
- Clone List with Next and Random
- Min distance between two given nodes of a Binary Tree
- Subtraction in Linked List
- Distinct occurrences
- LRU Cache
- AVL Tree Insertion
- Alien Dictionary
- Smallest range in K lists
- Merge Sort on Doubly Linked List
- Fixing Two nodes of a BST
- Trapping Rain Water
- Max Circular Subarray Sum
- Merge Without Extra Space
- Smallest window in a string containing all the characters of another string
- Histogram Max Rectangular Area
- Maximum of minimum for every window size
- Find median in a stream
- Solve the Sudoku
- Stock Buy and Sell – Multiple Transaction Allowed
- Burning Tree
- Longest Prefix Suffix
- Wildcard string matching
- Longest repeating and non-overlapping substring
- Sum-string
- Edit Distance
- Minimum Points To Reach Destination
- Stock Buy and Sell – Max K Transactions Allowed
- Matrix Chain Multiplication
- Strictly Increasing Array
- Generalised Fibonacci numbers
- Boolean Parenthesization
- Longest valid Parentheses
- Possible Paths in a Tree
- N-Queen Problem
- Brackets in Matrix Chain Multiplication
- Articulation Point - II
- Find all Critical Connections in the Graph
- Distribute candies in a binary tree
- Split Array Largest Sum
- Find the String
- Kth Smallest Number in Multiplication Table
- Stock Buy and Sell – Max 2 Transactions Allowed
- Min Chars to Add for Palindrome
- Largest rectangular sub-matrix whose sum is 0
- Vertex Cover
- Candy
- Account Merge
- Better String
- Geekina Hate 1s
- Meeting Rooms III
- Count ways
- Minimum Weight Cycle
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