ujjwal_gupta
STREAK
44/1465
days
Longest streak/Global longest streak
Language Used
C++
Coding Score
916
Problem Solved
273
Contest Rating
__
161 points
Contributor
161 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 (3)
EASY (112)
MEDIUM (131)
HARD (27)
- Reverse alternate nodes in Link List
- Sort a linked list of 0s, 1s and 2s
- Insert in Sorted Circular Linked List
- Quick Sort
- Heap Sort
- Two Stacks in an Array
- Topological sort
- Find kth element of spiral matrix
- Serialize and deserialize a binary tree
- Multiply two strings
- Implement Atoi
- Closest in BST
- BST with Dead End
- Find triplets with zero sum
- Duplicate Subtree
- Find Common Nodes in two BSTs
- Peak element
- Union of Two Linked Lists
- Euler circuit and Path
- Binary Tree to CDLL
- Linked List that is Sorted Alternatingly
- K Sum Paths
- Leftmost and rightmost nodes of binary tree
- Arrange Consonants and Vowels
- Count the nodes at distance K from leaf
- Vertical sum
- Isomorphic Trees
- Children Sum in a Binary Tree
- Diagonal sum in binary tree
- Normal BST to Balanced BST
- Kth Ancestor in a Tree
- Mother Vertex
- Smallest Positive Missing
- Power Of Numbers
- Wave Array
- Maximum Index
- Two Repeated Elements
- Merge Without Extra Space
- Level of Nodes
- Boolean Matrix
- Stickler Thief
- Sum of all substrings of a number
- Longest Increasing Subsequence
- 0 - 1 Knapsack Problem
- Lucky Numbers
- Shortest Common Supersequence
- Nth Catalan Number
- Top K Frequent in Array
- Word Break
- Stock Buy and Sell – Multiple Transaction Allowed
- 4 Sum - All Quadruples
- Maximum Index
- Flip Bits
- Pythagorean Triplet
- Sum of bit differences
- Check if a string is repetition of its substring of k-length
- Column name from a given column number
- Substrings with K Distinct
- Cutting Binary String
- Find the N-th character
- k largest elements
- Sum of XOR of all pairs
- Longest Substring with K Uniques
- Rod Cutting
- Largest Sum Subarray of Size at least K
- Minimize the Heights II
- First and Last Occurrences
- Minimum Deletions
- Number following a pattern
- Subarrays Product Less than K
- Bleak Numbers
- Game of XOR
- Max Sum Increasing Subsequence
- Coin Change (Count Ways)
- Perfect Sum Problem
- Power Set
- Knapsack with Duplicate Items
- Partition Equal Subset Sum
- Count possible ways to construct buildings
- Number of paths
- Number of paths in a matrix with k coins
- Game with String
- How Many X's?
- Transitive closure of a Graph
- Traverse All Edges And Vertices
- Find the string in grid
- Largest subsquare surrounded by X
- Prefix match with other strings
- Anti Diagonal Traversal of Matrix
- Clone an Undirected Graph
- Find k-th smallest element in given n ranges
- Even Swap
- Maximum Meetings in One Room
- Number Of Enclaves
- Eventual Safe States
- Path With Minimum Effort
- Task Scheduler
- Hands of Straights
- Maximum Sum Combination
- Floor in BST
- Connect Nodes at Same Level
- Unique Paths in a Grid
- Valid Compressed String
- Fill the Matrix
- Best Node
- Update Queries
- Maximum Intersecting Lines
- Knight in Geekland
- Shy Geek
- Count Special Numbers
- Maximum Possible Value
- Maximum Length
- Remove the balls
- Bheem Wants Ladoos
- Prefix Suffix String
- BST Maximum Difference
- Nearest smaller tower
- Geek's Village and Wells
- Find Number
- Powerful Integer
- Max Coins
- Good Subtrees
- Easy Task
- Add Minimum Characters
- Palindrome with minimum sum
- Count Total Setbits
- Tree Transformation
- Find Kth permutation
- Fraction pairs with sum 1
- New Year Resolution
- Flatten BST to sorted list
- Pairwise swap elements of a linked list
- Reverse a Doubly Linked List
- Right View of Binary Tree
- K distance from root
- Height of Binary Tree
- Balanced Tree Check
- Delete Middle of Linked List
- Decimal Equivalent of Binary Linked List
- Intersection Sorted Linked Lists
- Find Transition Point
- 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
- Nodes without a Sibling
- Binary Tree to BST
- Unique rows in boolean matrix
- Remove every k'th node
- Leaves at Same Level or Not
- 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
- Count Pairs whose sum is equal to X
- Leaf under budget
- Queue Reversal
- Brothers From Different Roots
- Delete Mid of a Stack
- Swap the array elements
- Predict the Column
- First Set Bit
- Check K-th Bit
- Power of 2
- Frequencies in a Limited Array
- Equilibrium Point
- Print adjacency list
- Sum of upper and lower triangles
- Print Matrix in snake Pattern
- Transpose of Matrix
- Matrix Boundary Traversal
- Isomorphic Strings
- Reach a given score
- Count number of hops
- Roman Number to Integer
- Move All Zeroes to End
- Rotate Bits
- Number of occurrence
- Reversing the equation
- Does array represent Heap
- Play With OR
- At Least K Occurrences
- Find the closest pair from two arrays
- Palindrome String
- Is Binary Number Multiple of 3
- Minimum Operations
- Divisibility by 8
- Number of 1 Bits
- Max Sum Subarray of size K
- Nth Fibonacci Number
- Swap two nibbles in a byte
- Maximum Sum Problem
- Shortest path from 1 to n
- Sum 1 to n Divisors
- Perfect Numbers
- Largest number possible
- Recamans sequence
- Form a number divisible by 3 using array digits
- Sum of all prime numbers between 1 and n
- Least Prime Factor
- Recursive sequence
- Juggler Sequence
- Row with Minimum 1s
- Surround the 1's
- Inorder Traversal and BST
- Letters Collection
- Print Pattern
- Count the Substrings
- Smallest window containing 0, 1 and 2
- Maximum Depth Of Binary Tree
- Cutting Rectangles
- Frogs and Jumps
- Make Array Elements Equal
- Equal Left and Right Subarray Sum
- Make the array beautiful
- Remainder on dividing by 11
- Taxi Booking
- Max Level Sum in Binary Tree
- Number of Subarrays of 0's
- Maximum Identical Bowls
- Bus Conductor
- Wifi Range
- Minimum Number
- Minimum Integer
- Seating Arrangement
- String Mirror
- Make Palindrome
- Geekina loves order
- Total Cuts
- Dominant Pairs
- Total Traversal Time
- Special Array
- Count the Substrings
- Wave Array
- Ticket Counter
- Unique Number of Occurrences
- Weird Island
- Construction of a string
- Linked List Group Reverse
- Min distance between two given nodes of a Binary Tree
- Subtraction in Linked List
- Distinct occurrences
- AVL Tree Insertion
- Nodes at given distance in binary tree
- Next Smallest Palindrome
- Number of distinct subsequences
- Sum-string
- Palindromic Partitioning
- Next Happy Number
- Boolean Parenthesization
- Find all Critical Connections in the Graph
- Find number of closed islands
- Find the String
- Stock Buy and Sell – Max 2 Transactions Allowed
- Expression Add Operators
- Shortest Path Using Atmost One Curved Edge
- Walls Coloring II
- Redundant Parenthesis
- Partition the Array
- Divide in Incremental Groups
- Max min Height
- Minimum BST Sum Subtree
- Special Digits
- Game Of Subsets
- Making A Large Island
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