G
arora2000gaurav
STREAK
110/1470
days
Longest streak/Global longest streak
Institution
Chandigarh University (CU) Chandigarh
139 RankInstitute Rank
Language Used
C++, C
Coding Score
1554
Problem Solved
447
Contest Rating
__
14 points
Contributor
14 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 (6)
EASY (135)
MEDIUM (260)
HARD (46)
- Reverse alternate nodes in Link List
- Sort a linked list of 0s, 1s and 2s
- Merge 2 sorted linked list in reverse order
- Insert in Sorted Circular Linked List
- Quick Sort
- Binary Tree from Inorder and Postorder
- Bottom View of Binary Tree
- Diameter of a Binary Tree
- Heap Sort
- Sum Tree
- Connect Nodes of Levels
- Flattening a Linked List
- Diagonal Tree Traversal
- Tree Boundary Traversal
- Delete a node from BST
- LCA in Binary Tree
- Two Stacks in an Array
- The Celebrity Problem
- Largest subarray with 0 sum
- Topological sort
- Vertical Tree Traversal
- Find the number of islands
- Find kth element of spiral matrix
- Gas Station
- Is Binary Tree Heap
- Dijkstra Algorithm
- Minimum Spanning Tree
- Largest BST
- Count Palindromic Subsequences
- Multiply two strings
- Implement Atoi
- Strongly Connected
- Rat in a Maze Problem - I
- Bipartite Graph
- Closest in BST
- BST with Dead End
- Merge two BST 's
- Count distinct elements in every window
- Trie | (Delete)
- Merge k Sorted Arrays
- Find triplets with zero sum
- Sort a stack
- Duplicate Subtree
- Top View of Binary Tree
- k-th Smallest in BST
- Find Common Nodes in two BSTs
- Peak element
- Union of Two Linked Lists
- Euler circuit and Path
- Binary Tree to CDLL
- K Sum Paths
- Leftmost and rightmost nodes of binary tree
- Construct Tree from Inorder & Preorder
- Construct tree from Inorder and LevelOrder
- Count the nodes at distance K from leaf
- Isomorphic Trees
- Predecessor and Successor
- Children Sum in a Binary Tree
- Normal BST to Balanced BST
- Sum of nodes on the longest path
- Kth Ancestor in a Tree
- ZigZag Tree Traversal
- Maximum sum of Non-adjacent nodes
- Mother Vertex
- Smallest Positive Missing
- Power Of Numbers
- Wave Array
- Rearrange an array with O(1) extra space
- Stock buy and sell
- Kadane's Algorithm
- Binary Array Sorting
- Count Inversions
- Unique BST's
- Indexes of Subarray Sum
- Merge Without Extra Space
- Level of Nodes
- Make Matrix Beautiful
- Boolean Matrix
- Determinant of a Matrix
- Subarray with 0 sum
- Subarrays with equal 1s and 0s
- Longest Consecutive Subsequence
- Strings Rotations of Each Other
- Nearly sorted
- Activity Selection
- Fractional Knapsack
- Job Sequencing Problem
- Minimum Platforms
- Largest number in K swaps
- 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
- Lucky Numbers
- Preorder to BST
- 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
- Top K Frequent in Array
- Stock Buy and Sell – Multiple Transaction Allowed
- Word Search
- 4 Sum - All Quadruples
- Sort 0s, 1s and 2s
- Pascal Triangle
- Maximum Index
- Flip Bits
- Consecutive 1's not allowed
- Pythagorean Triplet
- Painting the Fence
- Sum of bit differences
- Subarray Sum Divisible By K
- Maximum Product Subarray
- Longest subarray with sum divisible by K
- Column name from a given column number
- Substrings with K Distinct
- Cutting Binary String
- Factorials of large numbers
- Shuffle integers
- k largest elements
- Sum of XOR of all pairs
- Longest Common Substring
- Smallest distinct window
- Longest Substring with K Uniques
- Longest Palindrome in a String
- K-th element of two Arrays
- Arranging the array
- Rod Cutting
- Minimum swaps and K together
- LCS of three strings
- Longest Palindromic Subsequence
- Largest Sum Subarray of Size at least K
- First negative in every window of size k
- Minimize the Heights II
- Transform to prime
- First and Last Occurrences
- Minimum Deletions
- Permutations of a String
- Number following a pattern
- CamelCase Pattern Matching
- Subarrays Product Less than K
- Unique Number II
- Bleak Numbers
- Game of XOR
- Largest prime factor
- Modified Game of Nim
- Max Sum Increasing Subsequence
- Coin Change (Count Ways)
- Sequence of Sequence
- Santa Banta
- Coin Change (Minimum Coins)
- Perfect Sum Problem
- Power Set
- Knapsack with Duplicate Items
- nCr
- Partition Equal Subset Sum
- Get Minimum Squares
- Count possible ways to construct buildings
- Array Pair Sum Divisibility Problem
- Matchsticks game
- Subset Sums
- Number of paths
- Number of paths in a matrix with k coins
- Choose and Swap
- Find nth root of m
- Game with String
- How Many X's?
- Longest Repeating Subsequence
- Stream First Non-repeating
- Largest square formed in a matrix
- Transitive closure of a Graph
- Replace O's with X's
- Express as sum of power of natural numbers
- Traverse All Edges And Vertices
- Find the string in grid
- Floyd Warshall
- Shortest Source to Destination Path
- Dam of Candies
- Help Classmates
- Jump Game
- Bellman-Ford
- Remove K Digits
- Prefix match with other strings
- Find duplicate rows in a binary matrix
- Paths from root with a specified sum
- Shortest Prime Path
- Sort for Singly Linked List
- Minimize the Heights I
- Flatten binary tree to linked list
- Anti Diagonal Traversal of Matrix
- All Unique Permutations of an array
- Clone an Undirected Graph
- Find k-th smallest element in given n ranges
- Even Swap
- Reverse a Stack
- Maximum Meetings in One Room
- Max Equal sum of 3 Stacks
- Buy Maximum Stocks
- Minimum Cost to cut a board into squares
- Expression contains redundant bracket or not
- Maximum trains for which stoppage can be provided
- Number of Distinct Islands
- Minimum Multiplications to reach End
- Number Of Enclaves
- Eventual Safe States
- Shortest path in Directed Acyclic Graph
- Task Scheduler
- Hands of Straights
- Lemonade Change
- Maximum Sum Combination
- Partitions with Given Difference
- Floor in BST
- Minimize number of Students to be removed
- Absolute difference divisible by K
- Find the longest string
- Maximum Profit By Choosing A Subset Of Intervals
- Count number of free cell
- Water the plants
- Connect Nodes at Same Level
- Good Stones
- Maximum Intersecting Lines
- Knight in Geekland
- Count Special Numbers
- Minimum Steps Required
- Maximum Length
- Remove the balls
- Unequal Arrays
- Job Sequencing Problem
- Bheem Wants Ladoos
- Prefix Suffix String
- Smaller Sum
- Fest and Posters
- Nearest smaller tower
- Another Coin Change Problem
- Geek's Village and Wells
- Find Number
- Powerful Integer
- Max Coins
- Good Subtrees
- Subtree In N-ary Tree
- Easy Task
- Add Minimum Characters
- Maximum subset sum
- Palindrome with minimum sum
- Count Total Setbits
- Tree Transformation
- Construct a Full Binary Tree
- Modify Linked List-1
- Find Kth permutation
- Fraction pairs with sum 1
- Possible Path
- New Year Resolution
- Flatten BST to sorted list
- Pairwise swap elements of a linked list
- Delete nodes having greater value on right
- Remove duplicates from an unsorted linked list
- Reverse a Doubly Linked List
- Check for BST
- Right View of Binary Tree
- Mirror Tree
- Height of Binary Tree
- Balanced Tree Check
- Kth from End of Linked List
- Left View of Binary Tree
- Decimal Equivalent of Binary Linked List
- Intersection Sorted Linked Lists
- Remove Duplicates from a Sorted Linked List
- Level Order in spiral form
- DFS of Graph
- Insert a node in a BST
- BFS of graph
- Identical Trees
- Lowest Common Ancestor in a BST
- Binary Tree to BST
- Unique rows in boolean matrix
- Leaves at Same Level or Not
- Josephus problem
- Delete in a Singly Linked List
- Kth largest element in BST
- Minimum distance in an Array
- Array Duplicates
- Three way partitioning
- Inorder Successor in BST
- Insert in a Sorted List
- Sum of leaf nodes in BST
- More than n/k Occurrences
- Symmetric Tree
- Median of BST
- Leaf under budget
- Queue Reversal
- Reverse first K of a Queue
- Brothers From Different Roots
- Delete Mid of a Stack
- Predict the Column
- Frequency in Queue
- Frequency Game
- First Set Bit
- Rightmost different bit
- Check K-th Bit
- Power of 2
- Frequencies in a Limited Array
- Equilibrium Point
- Array Leaders
- Print adjacency list
- Sum of upper and lower triangles
- Print Matrix in snake Pattern
- Transpose of Matrix
- Matrix Boundary Traversal
- String Rotated by 2 Places
- Most Frequent Character
- Panagram Checking
- Non Repeating Character
- Minimum Cost of ropes
- N meetings in one room
- Count number of hops
- Union of Arrays with Duplicates
- Roman Number to Integer
- Missing And Repeating
- Adding Ones
- Common in 3 Sorted Arrays
- Move All Zeroes to End
- Chocolate Distribution Problem
- Smallest subarray with sum greater than x
- Alternate Positive Negative
- Rotate Bits
- Number of occurrence
- Reversing the equation
- Does array represent Heap
- Two sum -Pairs with 0 Sum
- Play With OR
- Element with left side smaller and right side greater
- Find the closest pair from two arrays
- Merge two binary Max heaps
- Palindrome String
- Shop in Candy Store
- Is Binary Number Multiple of 3
- Minimum Operations
- Number of 1 Bits
- Max Sum Subarray of size K
- Nth Fibonacci Number
- Copy Set Bits in Range
- Maximum Sum Problem
- Shortest path from 1 to n
- Sum 1 to n Divisors
- Perfect Numbers
- Largest number possible
- Check if it is possible to survive on Island
- Recamans sequence
- Form a number divisible by 3 using array digits
- Least Prime Factor
- Sum of First N Natural Numbers
- Recursive sequence
- Maximum Diamonds
- Arithmetic Number
- Surround the 1's
- Trace Path
- Inorder Traversal and BST
- Letters Collection
- Print Pattern
- Count the Substrings
- Maximum Depth Of Binary Tree
- Geek left with No Food
- Transform to Sum Tree
- Balloon Everywhere
- Range OR
- Mex Array
- Make Array Elements Equal
- Equal Left and Right Subarray Sum
- Make the array beautiful
- Remainder on dividing by 11
- Maximum Identical Bowls
- Bus Conductor
- Wifi Range
- Minimum Number
- Select Maximum number
- Minimum Integer
- Seating Arrangement
- String Mirror
- Make Palindrome
- Binary Modulo
- Total Cuts
- Bit Magic
- Array Operations
- Dominant Pairs
- Total Traversal Time
- Ticket Counter
- Unique Number of Occurrences
- GCD 1
- Linked List Group Reverse
- Binary Tree to DLL
- Min distance between two given nodes of a Binary Tree
- Subtraction in Linked List
- AVL Tree Insertion
- Alien Dictionary
- AVL Tree Deletion
- Nodes at given distance in binary tree
- String Permutations
- Trapping Rain Water
- Solve the Sudoku
- Median of 2 Sorted Arrays of Different Sizes
- Burning Tree
- Next Smallest Palindrome
- Search Pattern
- Number of distinct subsequences
- Wildcard string matching
- Palindromic Partitioning
- Next Happy Number
- Matrix Chain Multiplication
- Median in a row-wise sorted Matrix
- Boolean Parenthesization
- Brackets in Matrix Chain Multiplication
- Phone directory
- Huffman Encoding
- Find all Critical Connections in the Graph
- Distribute candies in a binary tree
- Find number of closed islands
- Find the String
- Articulation Point - I
- Stock Buy and Sell – Max 2 Transactions Allowed
- Largest rectangular sub-matrix whose sum is 0
- Vertex Cover
- Expression Add Operators
- Candy
- Better String
- Partition the Array
- Count Binary Strings With No Consecutive 1s
- Divide in Incremental Groups
- Minimum BST Sum Subtree
- Special Digits
- Cake Distribution Problem
- Min Time
- Game Of Subsets
- Geekina Hate 1s
- Making A Large Island
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