S
souvikm02
STREAK
32/1488
days
Longest streak/Global longest streak
Language Used
C++
Coding Score
1805
Problem Solved
572
Contest Rating
__
303 points
Contributor
303 points
Contributor
1 Point
Proficient
Proficient
100 Point
Scholar
Scholar
1k Point
Master
Master
10k Point
Ace
Ace
50k Point
0 submissions in current year
SCHOOL (0)
BASIC (17)
EASY (151)
MEDIUM (352)
HARD (52)
- COVID19
- Reverse alternate nodes in Link List
- Rotate a Linked List
- 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
- Count BST nodes that lie in a given range
- Merge Sort
- Quick Sort
- Bottom View of Binary Tree
- Delete without head pointer
- Intersection in Y Shaped Lists
- Diameter of a Binary Tree
- Heap Sort
- Merge two sorted linked lists
- Add all greater values to every node in a BST
- Sum Tree
- Connect Nodes of Levels
- Flattening a Linked List
- Diagonal Tree Traversal
- Directed Graph Cycle
- Undirected Graph Cycle
- LCA in Binary Tree
- Two Stacks in an Array
- The Celebrity Problem
- Topological sort
- Vertical Tree Traversal
- Merge K sorted linked lists
- Find the number of islands
- Get Min from Stack
- Gas Station
- Generate IP Addresses
- Check if subtree
- Kth smallest element in a Matrix
- Validate an IP Address
- Remove loop in Linked List
- Dijkstra Algorithm
- Minimum Spanning Tree
- Largest BST
- Count Palindromic Subsequences
- Minimum Swaps to Sort
- Implement Atoi
- Count of distinct substrings
- Palindrome Linked List
- Strongly Connected
- Rat in a Maze Problem - I
- Bipartite Graph
- Pots of Gold Game
- Merge two BST 's
- Count distinct elements in every window
- Trie | (Delete)
- Merge k Sorted Arrays
- Bridge edge in a graph
- k-th Smallest in BST
- Polynomial Addition
- Euler circuit and Path
- Pair Sum in BST
- Counting elements in two arrays
- Foldable Binary Tree
- Leftmost and rightmost nodes of binary tree
- Leaves to DLL
- Sum of nodes on the longest path
- Kth Ancestor in a Tree
- Swap Kth nodes from ends
- Maximum sum of Non-adjacent nodes
- Mother Vertex
- Ceil in BST
- Count set bits
- Tower Of Hanoi
- Reverse array in groups
- Maximum occured integer
- Wave Array
- Rearrange Array Alternately
- Stock buy and sell
- Kadane's Algorithm
- Count Inversions
- Indexes of Subarray Sum
- Number of pairs
- Merge Without Extra Space
- Possible paths between 2 vertices
- Make Matrix Beautiful
- Spirally traversing a matrix
- Search in a sorted Matrix
- Distance of nearest cell having 1
- Unit Area of largest region of 1's
- Longest Consecutive Subsequence
- Stock span problem
- Next Greater Element
- K Sized Subarray Maximum
- Minimum Cost of ropes
- Nearly sorted
- Fractional Knapsack
- Job Sequencing Problem
- Minimum Platforms
- Black and White
- Unique Subsets
- M-Coloring Problem
- Minimum Jumps
- Ways to Reach the n'th Stair
- Egg Dropping Puzzle
- Optimal Strategy For A Game
- Longest Increasing Subsequence
- Longest Common Subsequence
- 0 - 1 Knapsack Problem
- Sort according to an Array
- Allocate Minimum Pages
- Preorder to BST
- X Total Shapes
- Zero Sum Subarrays
- Find whether path exist
- Kth Smallest
- Implement Trie
- Shortest Common Supersequence
- Nth Catalan Number
- Rotten Oranges
- Steps by Knight
- Count subsequences of type a^i, b^j, c^k
- Maximize The Cut Segments
- Word Break
- Stock Buy and Sell – Multiple Transaction Allowed
- Word Search
- Prerequisite Tasks
- 4 Sum - All Quadruples
- Excel Sheet | Part - 1
- Sort 0s, 1s and 2s
- Count Increasing Subsequences
- Sum of Middle elements of two sorted arrays
- Equivalent Sub-Arrays
- Single Among Doubles in a Sorted
- Search in Rotated Sorted Array
- Smallest number with at least n trailing zeroes in factorial
- Maximize The Array
- Form the Largest Number
- Alternate Vowel and Consonant String
- Super Primes
- Longest subarray with sum divisible by K
- Max value after m range operation
- Swapping pairs make sum equal
- Column name from a given column number
- Substrings with K Distinct
- Form a palindrome
- Longest Subarray with Sum K
- Transform String
- Number of positive integral solutions
- Cutting Binary String
- Equal 0, 1 and 2
- Remove leading zeros from an IP address
- k largest elements
- Magnet Array Problem
- Longest Common Substring
- Smallest distinct window
- Longest substring with distinct characters
- Longest Palindrome in a String
- Cut rope to maximise product
- K-th element of two Arrays
- String formation from substring
- Rod Cutting
- Maximize the sum of selected numbers from a sorted array to make it empty
- Smallest Absolute Difference
- Longest Palindromic Subsequence
- Longest Common Increasing Subsequence
- Build the smallest
- Minimize the Heights II
- Reaching the heights
- Smaller on Left
- Permutations of a String
- Previous number in one swap
- Friends Pairing Problem
- Lexicographically smallest string
- Largest prime factor
- 3 Divisors
- Modified Game of Nim
- Max Sum Increasing Subsequence
- Coin Change (Count Ways)
- Dice throw
- Perfect Sum Problem
- Longest subsequence-1
- Number of ways
- Subsets with XOR value
- Maximum path sum in matrix
- Special Keyboard
- Partition Equal Subset Sum
- XOR Game
- Min Coin
- Handshakes
- Count possible ways to construct buildings
- Count digit groupings of a number
- Array Pair Sum Divisibility Problem
- Brain Game
- Killing Spree
- N Digit numbers with digits in increasing order
- Fill the Tank
- Number of paths
- Knight Walk
- Permutation with Spaces
- Choose and Swap
- Return two prime numbers
- Fact Digit Sum
- Find Prime numbers in a range
- Party in Town
- Multiply 2 matrices
- Next Permutation
- Smaller on Left
- Rotate matrix elements clockwise
- Filling Bucket
- Matrix Exponentiation
- Longest Repeating Subsequence
- Finding Profession
- Decode the string
- Preorder Traversal and BST
- Stream First Non-repeating
- Maximum Sub-String after at most K changes
- Print leaf nodes from preorder traversal of BST
- Tricky Subset Problem
- Rat Maze With Multiple Jumps
- Snake and Ladder Problem
- Pairs of Non Coinciding Points
- The Smurfs
- Product of Primes
- Eulerian Path in an Undirected Graph
- Find all distinct subset (or subsequence) sums
- Check Mirror in N-ary tree
- Queries on Strings
- Special Matrix
- Queries on a Matrix
- Broken blocks
- Traverse All Edges And Vertices
- Find the string in grid
- Shortest Uncommon Subsequence
- Nodes at even distance
- Biconnected Graph
- Help a Thief!!!
- Count the paths
- Floyd Warshall
- Negative weight cycle
- Flood fill Algorithm
- Form coils in a matrix
- Shortest Source to Destination Path
- Shortest Path between Cities
- Moving on grid
- Height Using Parent Array
- Save Your Life
- Hamiltonian Path
- Recursively Remove Adjacent Duplicates
- Theft at World Bank
- Coins of Geekland
- Dam of Candies
- Transfiguration
- Repeated String Match
- Spidey Sense
- Project Manager
- Escape the Forbidden Forest
- Jump Game
- Iterative Postorder
- Subset Sum Problem
- Longest Palindromic Substring
- Form a palindrome
- Covid Spread
- Bellman-Ford
- Partition a Linked List around a given value
- Minimum XOR value pair
- Capacity To Ship Packages Within D Days
- Rearrange characters
- Substrings of length k with k-1 distinct elements
- Clone a stack without using extra space
- Count pairs in array divisible by K
- Binary Matrix with at most K 1s
- Maximum GCD of siblings of a binary tree
- BST to greater sum tree
- Find rectangle with corners as 1
- Cousins of a given node
- Sort for Singly Linked List
- Minimize the Heights I
- Subsets
- Flatten binary tree to linked list
- Rank The Permutations
- IPL 2021 - Match Day 2
- Course Schedule
- Find and Replace in String
- Minimum times A has to be repeated such that B is a substring of it
- Bitwise AND of the Array
- Overlapping Intervals
- Unlock the Lock
- Minimum number of merge operations to make an array palindrome
- Maximize sum of K corner elements in Array
- Frequency of a string in a given string.
- Longest substring with equal number of 0's and 1's
- Minimum number of operation to make palindromic array
- Minimum number of operations to make all the array element equal
- Minimize the largest group
- Next Permutation
- Container With Most Water
- Maximum Sum Component
- Minimum number of jumps
- Row with max 1s
- Print Anagrams Together
- Vertical Traversal of Binary Tree
- Stepping Numbers
- Implementing Dijkstra Algorithm
- Coin Change
- Kadane's Algorithm
- Find missing in second array
- The Celebrity Problem
- Count the Reversals
- Find all distinct subset (or subsequence) sums
- Job Sequencing Problem
- Find all distinct subset (or subsequence) sums
- Search Pattern (KMP-Algorithm)
- Smallest window in a string containing all the characters of another string
- Maximum Value
- Minimize the largest group
- Maximum Index
- Unit Area of largest region of 1's
- Maximum number of events that can be attended
- Longest Possible Route in a Matrix with Hurdles
- Reverse a Stack
- Farthest number
- Robots
- Hit most Balloons
- Concatenate Equal to Target
- Exactly one swap
- Maximum Winning score
- Compute Before Matrix
- Levels Of Game
- Smallest sum contiguous subarray
- Minimum Cost to cut a board into squares
- Stack Permutations
- Graph is Tree or Not
- Replace every element with the least greater element on its right
- Special Keyboard 2
- Maximum selections
- LCP
- Next element with greater frequency
- Sum of nodes within k distance from target
- Minimum increment/decrement to make array non-Increasing
- Number of Distinct Islands
- Shortest Distance in a Binary Maze
- Number Of Enclaves
- Eventual Safe States
- Number Of Islands
- Geekland Colosseum
- Number of Ways to Arrive at Destination
- Shortest path in Directed Acyclic Graph
- Aggressive Cows
- Floor in BST
- Maximum Intersecting Lines
- Maximum Length
- Find Number
- Subtree In N-ary Tree
- Add Minimum Characters
- Fraction pairs with sum 1
- Linked List Group Reverse
- Binary Tree to DLL
- Serialize and deserialize a binary tree
- Box Stacking
- Maximum subset XOR
- Alien Dictionary
- Max Path Sum 2 Special Nodes
- Huffman Decoding
- Number of Turns in Binary Tree
- String Permutations
- Trapping Rain Water
- Smallest window containing all characters
- Histogram Max Rectangular Area
- Find median in a stream
- Minimum Cost Path
- Word Ladder I
- Median of 2 Sorted Arrays of Different Sizes
- Next Smallest Palindrome
- Distinct palindromic substrings
- Search Pattern
- Longest Prefix Suffix
- Number of distinct subsequences
- Circle of strings
- Print all LCS sequences
- Edit Distance
- Minimum sum partition
- Matrix Chain Multiplication
- Median in a row-wise sorted Matrix
- Boolean Parenthesization
- Bike Racing
- Word Break - 2
- N-Queen Problem
- Adventure in a Maze
- Articulation Point - II
- Optimal binary search tree
- Travelling Salesman Problem
- Longest Path in a matrix
- Word Wrap
- Maximum sum Rectangle
- Huffman Encoding
- Corona Vaccine
- Search Pattern (Rabin-Karp Algorithm)
- Minimum X (xor) A
- Sorted Linked List to BST
- Reverse a sublist of a linked list
- Word Ladder II
- Shortest Path by Removing K walls
- Articulation Point - I
- Number of subarray with m odd numbers
- Number of subarray with m odd numbers
- Minimum time to fulfil all orders
- Geek in a Maze
- Geek and New Job
- Reverse a linked list
- Pairwise swap elements of a linked list
- Delete nodes having greater value on right
- Check for BST
- Height of Binary Tree
- Kth from End of Linked List
- Queue using two Stacks
- Remove Duplicates from a Sorted Linked List
- Stack using two queues
- Level Order in spiral form
- DFS of Graph
- Stack using Linked List
- BFS of graph
- Identical Trees
- Lowest Common Ancestor in a BST
- Binary Search
- Convert to Roman No
- Kth largest element in BST
- Inorder Successor in BST
- Intersection of Two Linked Lists
- Insert in a Sorted List
- Reverse Using Stack
- Symmetric Tree
- Huffman Decoding-1
- Next Right Node
- Find length of Loop
- Median of BST
- Queue Reversal
- Reverse first K of a Queue
- Move all zeros to the front of the linked list
- Frequency Game
- First Set Bit
- Check K-th Bit
- Longest Consecutive 1's
- Swap odd and even bits
- Equilibrium Point
- Array Leaders
- Minimum Number in a sorted rotated array
- Print adjacency list
- Anagram
- String Rotated by 2 Places
- Reverse Words
- N meetings in one room
- Largest number with given sum
- Union-Find
- Count number of hops
- Pattern searching
- Check Equal Arrays
- Positive Negative Pair
- Missing in Array
- Roman Number to Integer
- Missing And Repeating
- Sort by Set Bit Count
- Maximum no of 1's row
- Sum of elements between k1'th and k2'th smallest elements
- Min sum formed by digits
- Minimize the sum of product
- Punish the Students
- Alternate Positive Negative
- 1[0]1 Pattern Count
- Convert a sentence into its equivalent mobile numeric keypad sequence
- Rearrange a string
- Remove Duplicates
- Sum of two numbers represented as arrays
- Convert array into Zig-Zag fashion
- Two Sum - Pair with Given Sum
- Find all pairs with a given sum
- Number of occurrence
- Counts Zeros Xor Pairs
- Two sum -Pairs with 0 Sum
- Hungry Pizza Lovers
- Find the closest pair from two arrays
- Maximum sum of increasing order elements from n arrays
- Merge two binary Max heaps
- Maximum average subarray
- Smallest greater elements in whole array
- Fitting The Array
- Shop in Candy Store
- Last Match
- Partition a number into two divisible parts
- Adding Array Elements
- Nth Fibonacci Number
- Change Bits
- Shortest path from 1 to n
- The Bit Game
- Swap bits
- Perfect Numbers
- Nth item through sum
- Smallest number with sum of digits as N and divisible by 10^N
- Maximize Toys
- Largest number possible
- Page Faults in LRU
- Tom and Jerry
- Increasing Sub Sequence
- Maximum Diamonds
- Help Ishaan
- Next sparse binary number
- Sequence Fun
- Help the Old Man!!!
- Print the pattern
- Chicks in a Zoo
- K-Ary Tree
- Check if it is possible to convert one string into another with given constraints
- Earthquake and the Paint Shop
- Array to BST
- Sum of dependencies in a graph
- Ball coloring
- Rearrange Geek and his Classmates
- Fraction Trouble
- Sum of k smallest elements in BST
- Print Diagonally
- Gadgets of Doraland
- Plus One
- Sum of two numbers without using arithmetic operators
- Even and Odd
- Search insert position of K in a sorted array
- Largest value in each level
- Geek and Snow Fighting
- Geek and Co-Prime Numbers
- Check if a line passes through the origin
- Ascending Descending Array
- Maximum number of buckets
- Reorder an array according to given indexes
- Find all possible paths from top to bottom
- Next greater number set digits
- Parenthesis Checker
- Find duplicates in an array
- Max Level Sum in Binary Tree
- Stickler Thief
- Largest Gap
- Max Level Sum in Binary Tree
- Nodes at Odd Levels
- Parenthesis Checker
- Minimum Distinct Ids
- Geek and Bridges
- Smallest Subset with Greater Sum
- Minimum Sum of Absolute Differences of Pairs
- Smallest window containing 0, 1 and 2
- Move Last Element to Front of a Linked List
- Can Make Triangle
- Matrix Operations
- Find pairs with given sum in doubly linked list
- Assign Tasks
- Prefix Min
- Triangle and Square
- Minimum product
- Police Station
- Make the array beautiful
- String Mirror
- Binary Modulo
- Count Leaves in Binary Tree
- Queue using Linked List
- Sum Except First and Last
- Anagram of String
- Bit Difference
- Sort a String
- Immediate Smaller Element
- Game with nos
- Ishaan Loves Chocolates
- Addition of Two Numbers
- Binary representation
- Find position of set bit
- Set kth bit
- Binary number to decimal number
- Max Min
- Convert array into Zig-Zag fashion
- Evaluate the expression
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