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R
rupeshsk30
STREAK
44/1576
days
Longest streak/Global longest streak
Institution
Vishwakarma Institute of Information Technolgy
49 RankInstitute Rank
Organization
IBM
Language Used
C++, Java, C
Coding Score
1318
Problem Solved
444
Contest Rating
__
61 points
Contributor
61 points
Contributor
1 Point
Proficient
Proficient
100 Point
Scholar
Scholar
1k Point
Master
Master
10k Point
Ace
Ace
50k Point
57 submissions in current year
SCHOOL (1)
BASIC (41)
EASY (149)
MEDIUM (223)
HARD (30)
- 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
- Count BST nodes that lie in a given range
- Check for BST
- Merge Sort
- Quick Sort
- Binary Tree from Inorder and Postorder
- Bottom View of Binary Tree
- Intersection in Y Shaped Lists
- Diameter of a Binary Tree
- Heap Sort
- Merge two sorted linked lists
- Sum Tree
- Flattening a Linked List
- Diagonal Tree Traversal
- 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
- Lowest Common Ancestor in a BST
- Two Stacks in an Array
- Binary Heap Operations
- The Celebrity Problem
- Largest subarray with 0 sum
- Topological Sort
- Vertical Tree Traversal
- Merge K sorted linked lists
- Find the number of islands
- Get Min from Stack
- Gas Station
- Kth smallest element in a Matrix
- Is Binary Tree Heap
- Remove loop in Linked List
- Dijkstra Algorithm
- Minimum Spanning Tree
- Largest BST
- Minimum Swaps to Sort
- Maximum Difference
- Palindrome Linked List
- Strongly Connected
- Print matrix in diagonal pattern
- Rat in a Maze
- Merge two BST 's
- k-Anagram
- Merge k Sorted Arrays
- Bridge edge in a graph
- Sort a stack
- Top View of Binary Tree
- k-th Smallest in BST
- Level order traversal
- Merge Sort for Linked List
- Union of Two Linked Lists
- Pair Sum in BST
- K Sum Paths
- Construct Tree from Inorder & Preorder
- Construct tree from Inorder and LevelOrder
- Predecessor and Successor
- Normal BST to Balanced BST
- Construct Tree from Preorder Traversal
- Sum of nodes on the longest path
- Kth Ancestor in a Tree
- ZigZag Tree Traversal
- Maximum Non-Adjacent Nodes Sum
- Ceil in BST
- Reverse array in groups
- Maximum occured integer
- Wave Array
- Possible Words From Phone Digits
- Stock buy and sell
- Kadane's Algorithm
- Majority Element
- Count Inversions
- Union of 2 Sorted Arrays
- Indexes of Subarray Sum
- Triplet Sum in Array
- Merge Without Extra Space
- Level of Nodes
- Boolean Matrix
- Spirally traversing a matrix
- Search in a sorted Matrix
- Rotate by 90 degree
- Subarray with 0 sum
- Longest Consecutive Subsequence
- Strings Rotations of Each Other
- Postfix Evaluation
- Stock span problem
- Next Greater Element
- K Sized Subarray Maximum
- Minimum Cost of ropes
- Find median in a stream
- Activity Selection
- Fractional Knapsack
- Job Sequencing Problem
- Minimum Jumps
- Stickler Thief
- Ways to Reach the n'th Stair
- Longest Common Subsequence
- 0 - 1 Knapsack Problem
- Lucky Numbers
- Allocate Minimum Pages
- Zero Sum Subarrays
- Kth Smallest
- Implement Trie
- Rotten Oranges
- Maximize The Cut Segments
- Print Anagrams Together
- Stock Buy and Sell – Multiple Transaction Allowed
- 4 Sum - All Quadruples
- Sort 0s, 1s and 2s
- Complement
- Pascal Triangle
- Equivalent Sub-Arrays
- Count of Subarrays
- Single Among Doubles
- Painting the Fence
- Search in Rotated Sorted Array
- Smallest number with at least n trailing zeroes in factorial
- Count Full Binary Trees
- Maximum Product Subarray
- Row with max 1s
- Swapping pairs make sum equal
- Column name from a given column number
- Nuts and Bolts Problem
- Transform String
- Count the Reversals
- Max Sum without Adjacents
- Factorials of large numbers
- k largest elements
- Longest Common Substring
- Smallest distinct window
- Longest substring with distinct characters
- Longest Palindrome in a String
- Look and Say Pattern
- K-th element of two Arrays
- Arranging the array
- Triplets with Smaller Sum
- Minimum swaps and K together
- Maximize the sum of selected numbers from a sorted array to make it empty
- First negative in every window of size k
- Minimum sum
- Minimize the Heights II
- First and Last Occurrences
- Minimum Deletions
- Valid Substring
- Minimum Swaps for Bracket Balancing
- Permutations of a String
- Friends Pairing Problem
- Lexicographically smallest string
- Unique Number II
- Disarrangement of balls
- Coin Change (Count Ways)
- Coin Change (Minimum Coins)
- Get Minimum Squares
- Count distinct pairs with difference k
- Array Pair Sum Divisibility Problem
- Magic Triplets
- Unique partitions
- Nth Natural Number
- Stepping Numbers
- Return two prime numbers
- Find Prime numbers in a range
- Game with String
- Grouping Of Numbers
- Find the Safe Position
- Next Permutation
- Smaller on Left
- Filling Bucket
- Longest Repeating Subsequence
- Composite and Prime
- Decode the string
- Stream First Non-repeating
- Print leaf nodes from preorder traversal of BST
- Largest square formed in a matrix
- Longest Perfect Piece
- Geek and Strings
- The Smurfs
- Satisfy the equation
- Two odd Occuring
- Rohan's Love for Matrix
- Queries on a Matrix
- Find the string in grid
- Floyd Warshall
- Negative weight cycle
- Base Equivalence
- Reverse Spiral Form of Matrix
- Geek and Number String
- Save Your Life
- Hamiltonian Path
- Dam of Candies
- Help Classmates
- Max Diff Elements and Indexes
- Rearrange characters
- Substrings of length k with k-1 distinct elements
- BST to max heap
- Paths from root with a specified sum
- Minimize the Heights I
- Subsets
- Flatten binary tree to linked list
- IPL 2021 - Match Day 2
- Unique Number III
- Min Cost Climbing Stairs
- Overlapping Intervals
- Enemy
- Array Removals
- Validate Stack Operations
- Replace every element with the least greater element on its right
- LCP
- Minimum Swaps
- Check if all levels of two trees are anagrams or not
- Number of Distinct Islands
- Shortest Distance in a Binary Maze
- Number Of Islands
- Merging Details
- Number of Ways to Arrive at Destination
- Sum of Beauty of All Substrings
- Aggressive Cows
- Find the first node of loop in linked list
- Geek and New Job
- Reverse a linked list
- Pairwise swap elements of a linked list
- Remove duplicates from an unsorted linked list
- Split a Linked List into two halves
- Delete in a Doubly Linked List
- Inorder Traversal
- Bubble Sort
- Right View of Binary Tree
- Height of Binary Tree
- Balanced Tree Check
- Kth from End of Linked List
- Middle of a Linked List
- Check If Circular Linked List
- Left View of Binary Tree
- Intersection Sorted Linked Lists
- Remove Duplicates from a Sorted Linked List
- Postorder Traversal
- Reverse Level Order Traversal
- DFS of Graph
- Insert a node in a BST
- BFS of graph
- Identical Trees
- Insertion at doubly linked list
- Binary Search
- Run Length Encoding
- Remove Duplicates Sorted Array
- Convert to Roman No
- Match specific pattern
- Search a node in BST
- Delete in a Singly Linked List
- Kth largest element in BST
- Array Duplicates
- Special Stack
- Three way partitioning
- Inorder Successor in BST
- Intersection of Two Linked Lists
- Level of a Node in Binary Tree
- Minimum element in BST
- More than n/k Occurrences
- Max and min element in Binary Tree
- Reverse Using Stack
- XOR of a given range
- Queue Reversal
- Reverse first K of a Queue
- Delete Mid of a Stack
- Rotate doubly Linked List
- Taking input
- Even Odd
- Find the Frequency
- Back to Front
- Pair Sum in Vector
- Reverse an Array
- Multimap Operations
- Check K-th Bit
- Exactly 3 Divisors
- Power of 2
- Frequencies in a Limited Array
- Equilibrium Point
- Array Leaders
- Print adjacency list
- Anagram
- Isomorphic Strings
- Non Repeating Character
- Parenthesis Checker
- N meetings in one room
- Union-Find
- Pattern searching
- Union of Arrays with Duplicates
- Check Equal Arrays
- Missing in Array
- Product array puzzle
- Roman Number to Integer
- Max Value Permutation
- Missing And Repeating
- Sort by Set Bit Count
- Common in 3 Sorted Arrays
- Sum of elements between k1'th and k2'th smallest elements
- Search in a Row-Column sorted matrix
- Move All Zeroes to End
- Minimize the sum of product
- Move all negative elements to end
- Chocolate Distribution Problem
- Find Pair Given Difference
- Swap and Maximize
- Bitonic Point
- Smallest subarray with sum greater than x
- Single Number
- Alternate Positive Negative
- Remove Consecutive Characters
- Remove b and ac from a given string
- Check if the number is balanced
- Remove Duplicates
- Count Substrings
- Twice Counter
- Convert array into Zig-Zag fashion
- Two Sum - Pair with Given Sum
- Second most repeated string in a sequence
- Maximum repeating number
- Sum Pair closest to target
- Longest Common Prefix of Strings
- Min Number of Flips
- Two sum -Pairs with 0 Sum
- At Least K Occurrences
- Find the closest pair from two arrays
- Maximum sum of increasing order elements from n arrays
- Merge two binary Max heaps
- Palindrome String
- Search array with adjacent diff at most k
- Fitting The Array
- Balanced string
- Number of 1 Bits
- Nth Fibonacci Number
- Count digits in a factorial
- Sum Of Digits
- Shortest path from 1 to n
- The Bit Game
- Minimum number of Coins
- Number Of Open Doors
- Break a number
- Sum of all prime numbers between 1 and n
- Sum of First N Natural Numbers
- Tom and Jerry
- Required Rooms
- Arithmetic Number
- Count Primes In Range
- Help Ishaan
- Sequence Fun
- Print Pattern
- Print the pattern
- Chicks in a Zoo
- Maximum Sum LCM
- Check if it is possible to convert one string into another with given constraints
- Earthquake and the Paint Shop
- Count all possible paths from top left to bottom right
- Ball coloring
- Modified Numbers and Queries
- Print Diagonally
- Plus One
- Maximum number of 2X2 squares
- Geek and Snow Fighting
- License Key Formatting
- Smallest Subset with Greater Sum
- Move Last Element to Front of a Linked List
- Can Make Triangle
- Minimum Integer
- Union of Two Sorted Arrays with Distinct Elements
- Intersection of Two Sorted Arrays with Duplicate Elements
- Intersection of Two Sorted Arrays with Distinct Elements
- Count Leaves in Binary Tree
- Queue using Linked List
- Queue Using Array
- Replace all 0's with 5
- Preorder Traversal
- First Occurence
- C++ STL | Set 1 (vector)
- Palindromic Array
- Linked List Insertion At End
- Sort and Reverse Vector
- Absolute Value
- Bit Difference
- Reverse a String
- First n Fibonacci
- Check if divisible by 4
- Value equal to index value
- Repeated Character
- Replace the Bit
- First 1 in a Sorted Binary Array
- Rotate Array by One
- Array Subset
- Rotating an Array
- Min and Max in Array
- Multiply left and right array sum
- Red OR Green
- Convert String to LowerCase
- Set kth bit
- Set the rightmost unset bit
- LCM And GCD
- House Robber
- Check perfect square
- Strong Numbers
- Median of an Array
- Floyd's triangle
- Pattern Printing
- Count Squares
- Middle of Three
- Swap two numbers
- Reading books
- Sorted matrix
- Max Min
- 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
- Smallest range in K lists
- Trapping Rain Water
- Smallest window containing all characters
- Histogram Max Rectangular Area
- Max of min for every window size
- Solve the Sudoku
- Burning Tree
- Merge Without Extra Space
- The Painter's Partition Problem-II
- Search Pattern
- Longest Prefix Suffix
- Minimum sum partition
- Number Formation
- Median in a row-wise sorted Matrix
- N-Queen Problem
- Phone directory
- Huffman Encoding
- Water Connection Problem
- Smallest Positive Integer that can not be represented as Sum
- Corona Vaccine
- Sorted Linked List to BST
- IPL 2021 - Final
- Articulation Point - I
- Min Chars to Add for Palindrome