A
anilkumarsingh0160
STREAK
02/1470
days
Longest streak/Global longest streak
Language Used
C++, Java, C, Python
Coding Score
1955
Problem Solved
853
Contest Rating
__
Campus Mantri
vikasto3lmy147 points
Contributor
147 points
Contributor
1 Point
Proficient
Proficient
100 Point
Scholar
Scholar
1k Point
Master
Master
10k Point
Ace
Ace
50k Point
1 submissions in current year
SCHOOL (3)
BASIC (124)
EASY (373)
MEDIUM (334)
HARD (19)
- Rotate Array
- Sort String
- Weight of strings
- Print Linked List
- Find Length of Linked List
- Size of Binary Tree
- Count Leaves in Binary Tree
- Postorder Traversal
- Queue using Linked List
- Queue Using Array
- Replace all 0's with 5
- Replace all 0's with 5
- Count zeros in a sorted matrix
- Preorder Traversal
- First Occurence
- C++ STL | Set 5 (queue)
- Search a node in BST
- Palindromic Array
- Linked List Insertion At End
- Minimum element in BST
- Anagram of String
- Is Linked List Length Even?
- Identical Linked Lists
- Modular Node
- Sum of Binary Tree
- Pairwise Consecutive Elements
- Count Non-Leaf Nodes in Tree
- The Size of
- Logical Operators
- Sort and Reverse Vector
- Front to Back
- Stack designer
- Queue Push & Pop
- Bit Difference
- Number is sparse or not
- Print 1 To N Without Loop
- Array Search
- Sorted Array Search
- Reverse a String
- Keypad typing
- First n Fibonacci
- C++ Hello World
- Sum of Array
- Sum of Natural Numbers
- Searching in an Array
- Doubling the value
- Balanced Array
- Sort the Half Sorted
- Max Odd Sum
- Farthest Index
- Sort a String
- Sort Array II
- Value equal to index value
- Convert a list of characters into a String
- Confused pappu
- Immediate Smaller Element
- Uncommon characters
- Swap kth elements
- Extract the integers
- Remove repeated digits in a given number
- Repeated Character
- Reverse a string with spaces intact
- The Penalty Shootout
- Elements in the Range
- Message decoding
- Largest Element in Array
- Rotate Array by One
- Game with nos
- One odd Occuring
- Ishaan Loves Chocolates
- Array Subset
- Count of smaller elements
- Min and Max in Array
- Multiply left and right array sum
- Average Count Array
- GCD of Array
- GCD of two numbers
- Odd or Even
- Check set bits
- Gray Code
- Even Odd Sum
- Find position of set bit
- Set kth bit
- Find the fine
- Strong Numbers
- Sum of Digits Prime/Non-Prime
- House Robber
- Message Spreading
- Find n-th term of series 1, 3, 6, 10, 15, 21
- Check perfect square
- Median of an Array
- Find N-th term in the series
- Automorphic Number
- Parity of unsigned integer
- Sum of Digit is Palindrome or not
- Difference series
- Finger Game
- Closest Number
- Check if two given circles touch each other
- Series AP
- Find The Sequence
- Sum of divisors
- Find sum of even factors of a number
- Sum of first n terms
- The dice problem
- G.F Series
- Print 1 to n without using loops
- Count Squares
- Matching Pair
- Middle of Three
- Anshuman's Favourite Number
- Unique Numbers
- Series X1
- The Spider Steps
- Doctors Clinic
- Repetitive Addition Of Digits
- Pattern Jumping
- Rectangle Number
- Minimum difference pair
- Sum of product of x and y with floor(n/x) = y
- Finding Position
- Pattern-1
- Sorted matrix
- Preorder Traversal
- Kth Frequency
- Reach the target
- Geek-onacci Number
- Geek and Code
- Valid String
- Contest Score
- Geek and Books
- Reverse a linked list
- Frequency in a Linked List
- Node at a given index in linked list
- Linked list of strings forms a palindrome
- Compare two linked lists
- Remove duplicates from an unsorted linked list
- Inorder Traversal
- Bubble Sort
- Selection Sort
- Insertion Sort
- Check for BST
- Right View of Binary Tree
- K distance from root
- Mirror Tree
- Two Mirror Trees
- Maximum Width of Tree
- Height of Binary Tree
- Balanced Tree Check
- Kth from End of Linked List
- Check If Circular Linked List
- Left View of Binary Tree
- Delete Middle of Linked List
- Transform to Sum Tree
- Intersection Sorted Linked Lists
- Find Transition Point
- Queue using two Stacks
- Remove Duplicates from a Sorted Linked List
- Stack using two queues
- Level Order in spiral form
- Reverse Level Order Traversal
- DFS of Graph
- Stack using Linked List
- Implement stack using array
- Insert a node in a BST
- BFS of graph
- Identical Trees
- Root to leaf path sum
- Square Root
- Nodes without a Sibling
- Lowest Common Ancestor in a BST
- Binary Search
- Largest subarray of 0's and 1's
- Remove Duplicates Sorted Array
- Level Order Line by Line
- BST Keys in a Range
- Print all possible strings
- Minimum Depth of a Binary Tree
- Odd even level difference
- Binary Tree to BST
- Unique rows in boolean matrix
- Leaves at Same Level or Not
- Multiply two linked lists
- Josephus problem
- Expression Tree
- Max distance between same elements
- Kth largest element in BST
- Minimum distance in an Array
- Array Duplicates
- Max Level Sum in Binary Tree
- Special Stack
- Level of a Node in Binary Tree
- Sum of leaf nodes in BST
- More than n/k Occurrences
- Max and min element in Binary Tree
- Reverse Using Stack
- XOR of a given range
- Triplet with 0 sum in BST
- Symmetric Tree
- Find the Sum of Last N nodes of the Linked List
- Next Right Node
- Count Pairs whose sum is equal to X
- Median of BST
- Find n/k th node in Linked list
- Maximum Pairwise Computed Value
- Queue Reversal
- Reverse first K of a Queue
- Magical Number
- Sum of Leaf Nodes
- Sum of Right Leaf Nodes
- Sum of Left Leaf Nodes
- Sum of Leaf Nodes at Min Level
- C++ STL Priority Queue
- Delete Mid of a Stack
- Learn to Comment
- Learning to be precise
- Bitwise Operators
- Even Odd
- For Loop- primeCheck
- While loop- printTable
- Learning Macros
- Step by Step Condition
- Matrix Interchange
- Xoring and Clearing
- Swap the objects
- Learning Structs
- Delete Array
- Find the Frequency
- Back to Front
- Pair Sum in Vector
- Stack Operations
- Get min at pop
- Deque Implementations
- Frequency Game
- Greater and Smaller Ones
- Duplicate Elements
- Pair Sum Existence- Revisited
- First Set Bit
- Rightmost different bit
- Check K-th Bit
- Longest Consecutive 1's
- Power of 2
- Swap odd and even bits
- Frequencies in a Limited Array
- Equilibrium Point
- Array Leaders
- Floor in a Sorted Array
- Minimum Number in a sorted rotated array
- Print adjacency list
- Transpose of Matrix
- Matrix Boundary Traversal
- Check if a string is Isogram or not
- Anagram
- Winner of an election
- String Rotated by 2 Places
- Isomorphic Strings
- The Modified String
- Reverse Words
- Sum of numbers in string
- Minimum indexed character
- Non Repeating Character
- Parenthesis Checker
- Minimum indexed character
- Generate Binary Numbers
- K largest elements
- Minimum Cost of ropes
- N meetings in one room
- Largest number with given sum
- Reach a given score
- Union-Find
- Count number of hops
- First Repeating Element
- Union of Arrays with Duplicates
- Common Elements
- Check Equal Arrays
- Numbers containing 1, 2 and 3
- Missing in Array
- Product array puzzle
- Roman Number to Integer
- Search an element in sorted and rotated array
- Intersection of Arrays with Distinct
- Excel Sheet | Part - 2
- Mean of range in array
- Max Value Permutation
- Missing And Repeating
- Non-Repeating Element
- Last seen array element
- Pairs of equals Sum
- Max value
- Count the elements
- Maximum Gap
- Find the closest number
- Sort by Set Bit Count
- k sorted array
- Balance with respect to an array
- Common in 3 Sorted Arrays
- Good Pairs
- Number and the Digit Sum
- Maximum no of 1's row
- Sum of elements between k1'th and k2'th smallest elements
- Search in a Row-Column sorted matrix
- Move All Zeroes to End
- Min sum formed by digits
- Minimize the sum of product
- Missing number
- String Manipulation
- Chocolate Distribution Problem
- Minimum Distinct Ids
- Count the triplets
- Find Pair Given Difference
- Bitonic Point
- Left most and right most index
- Smallest subarray with sum greater than x
- Single Number
- Check if actual binary representation of a number is palindrome
- Remove Consecutive Characters
- Convert a sentence into its equivalent mobile numeric keypad sequence
- Palindrome Sentence
- Addition of submatrix
- Remove Duplicates
- Facing the sun
- Count Substrings
- Twice Counter
- Distinct Substrings
- Word with maximum frequency
- Convert array into Zig-Zag fashion
- Two Sum - Pair with Given Sum
- Rotate Bits
- Second most repeated string in a sequence
- Check if array contains contiguous integers
- Rearrange to Make arr[i] = i
- Find all pairs with a given sum
- Number of occurrence
- K-Pangrams
- Reversing the equation
- Find the most frequent digit
- Modify the Array
- Check if array is sorted
- Find missing in second array
- Longest Common Prefix of Strings
- Largest Fibonacci Subsequence
- First Repeated Character
- Special array reversal
- Min Manipulations to make Strings Anagram
- Min Number of Flips
- Maximum number of characters between any two same character
- Maximum difference Indexes
- Counts Zeros Xor Pairs
- Two sum -Pairs with 0 Sum
- Segregate 0s and 1s
- Play With OR
- Hungry Pizza Lovers
- Three Great Candidates
- At Least K Occurrences
- Find the closest pair from two arrays
- Common Divisor
- The Inverting Factor
- Count the Zeros
- Distinct absolute array elements
- Length of longest subarray
- Maximum sum of subarray less than or equal to x
- Four Elements
- Palindrome String
- Left out candies
- Palindromic Series
- Delete Array Elements
- Fitting The Array
- Pair with given sum in a sorted array
- Pattern Searching
- Print Bracket Number
- Easy string
- Shop in Candy Store
- Tom and String
- Odd Even Problem
- Mr. Binary
- Lucas Number
- Is Binary Number Multiple of 3
- Kth LSB
- Padovan Sequence
- Minimum Operations
- Divisibility by 8
- Circle and Lattice Points
- Adding Array Elements
- Number of 1 Bits
- Find the Highest number
- Armstrong Numbers
- Midori and chocolates
- Love For The Twins
- Three Number Even Sum
- Lucky Number
- Max Sum Subarray of size K
- Nth Fibonacci Number
- Change Bits
- Copy Set Bits in Range
- Sum Of Digits
- Toggle bits in the given range
- Game of Nim
- Element that appears once where every element occurs twice
- Completing tasks
- Prime Number
- Print binomial expansion series
- Shortest path from 1 to n
- nCr
- Find sum of divisors
- Count numbers containing 4
- Amicable Pair
- Assign Mice Holes
- Arrange the Balls
- Reach the Nth point
- Minimum number of Coins
- Break a number
- Numbers with same first and last digit
- Maximum height of the staircase
- Cereals Box
- Incomplete Array
- Array's Game
- Smallest number with sum of digits as N and divisible by 10^N
- Next in Series
- Game of cells
- Maximize Toys
- Largest number possible
- Grouping values
- Sum Indexes
- Recamans sequence
- Carry counter
- Penalty Shooters
- Remainder of array multiplication
- Rectangles in N*N Board
- Squares in N*N Chessboard
- Number of divisors in a given range
- Deficient Number
- Trailing zeroes in factorial
- Find the minimum time
- Form a number divisible by 3 using array digits
- Number of ways to find two numbers
- Triangular Number
- Sum of First N Natural Numbers
- Right angled triangles
- Recursive sequence
- Juggler Sequence
- Tom and Jerry
- Summed Matrix
- Maximum Diamonds
- Row with Minimum 1s
- Geek and his Tricky Series
- Boundary Elements of Matrix
- Collection of pens
- Inorder Traversal and BST
- Sequence Fun
- English Words
- Overlapping rectangles
- Help the Old Man!!!
- Print Pattern
- Mansi and her series
- Crack the series
- Chicks in a Zoo
- Binary Tree K level sum
- Earthquake and the Paint Shop
- Array to BST
- Sum of dependencies in a graph
- Count all possible paths from top left to bottom right
- Sum of k smallest elements in BST
- Print Diagonally
- Gadgets of Doraland
- Plus One
- Sum of two numbers without using arithmetic operators
- Queue using stack
- Binary Search in forest
- First and last occurrences of x
- Geek and Co-Prime Numbers
- Smallest window containing 0, 1 and 2
- Insert an Element at the Bottom of a Stack
- Find pairs with given sum in doubly linked list
- Even subarray sum
- Police Station
- Kth Mex
- Make sum even
- Print N to 1 without loop
- Print GFG n times
- Fibonacci series up to Nth term
- Odd Series
- Divisor Game
- Geek left with No Food
- Unique Binary Tree Requirements
- Minimize the sum
- Find the first node of loop in linked list
- Last cell in a Matrix
- Jump over Array - 1
- Balloon Everywhere
- String Operations
- Find Bots on Geeklandster
- Is it Fibonacci
- Max Level Sum in Binary Tree
- Binary matrix having maximum number of 1s
- Select Maximum number
- Play of 3 Glasses!
- Magic Array
- Rank of Matrix
- Rearrange characters
- Nearly Sorted Algorithm
- 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
- Bottom View of Binary Tree
- Delete without head pointer
- Intersection in Y Shaped Lists
- Diameter of a Binary Tree
- Add all greater values to every node in a BST
- Sum Tree
- Diagonal Tree Traversal
- Tree Boundary Traversal
- Delete a node from BST
- Directed Graph Cycle
- Undirected Graph Cycle
- LCA in Binary Tree
- Absolute List Sorting
- Two Stacks in an Array
- The Celebrity Problem
- Largest subarray with 0 sum
- Topological sort
- Vertical Tree Traversal
- Find the number of islands
- Get Min from Stack
- Gas Station
- Kth smallest element in a Matrix
- Remove loop in Linked List
- Dijkstra Algorithm
- Minimum Spanning Tree
- Interleaved Strings
- Minimum Swaps to Sort
- Maximum Difference
- Palindrome Linked List
- Rat in a Maze Problem - I
- Bipartite Graph
- Closest in BST
- Merge two BST 's
- Count distinct elements in every window
- Merge k Sorted Arrays
- Root to leaf paths sum
- Find triplets with zero sum
- Sort a stack
- Top View of Binary Tree
- k-th Smallest in BST
- Find Common Nodes in two BSTs
- Level order traversal
- Peak element
- Union of Two Linked Lists
- Pair Sum in BST
- Root to Leaf Paths
- Populate Inorder Successor for all nodes
- Counting elements in two arrays
- Construct Tree from Inorder & Preorder
- Vertical sum
- Mirror of a given node
- Isomorphic Trees
- Maximum path sum from any node
- Predecessor and Successor
- Children Sum in a Binary Tree
- Diagonal sum in binary tree
- Normal BST to Balanced BST
- Sum of nodes on the longest path
- Construct a Full Binary Tree
- ZigZag Tree Traversal
- Count Number of SubTrees having given Sum
- C++ Generic sort
- Mother Vertex
- Ceil in BST
- Count set bits
- Gray to Binary Conversion
- Tower Of Hanoi
- Reverse array in groups
- Smallest Positive Missing
- Power Of Numbers
- Wave Array
- Rearrange Array Alternately
- Rearrange an array with O(1) extra space
- Maximum Index
- Stock buy and sell
- Rotate Array
- Kadane's Algorithm
- Majority Element
- Binary Array Sorting
- Count Inversions
- Union of 2 Sorted Arrays
- Indexes of Subarray Sum
- Triplet Sum in Array
- Possible paths between 2 vertices
- Level of Nodes
- Make Matrix Beautiful
- Boolean Matrix
- Spirally traversing a matrix
- Search in a sorted Matrix
- Distance of nearest cell having 1
- Unit Area of largest region of 1's
- Subarray with 0 sum
- Subarrays with equal 1s and 0s
- Sort Elements by Decreasing Frequency
- Longest Consecutive Subsequence
- Case-specific Sorting of Strings
- Postfix Evaluation
- Stock span problem
- Next Greater Element
- Infix to Postfix
- K Sized Subarray Maximum
- Kth smallest element
- Nearly sorted
- Fractional Knapsack
- Job Sequencing Problem
- Minimum Platforms
- Combination Sum
- Minimum Jumps
- Stickler Thief
- Ways to Reach the n'th Stair
- Longest Increasing Subsequence
- Longest Common Subsequence
- 0 - 1 Knapsack Problem
- Largest number
- Lucky Numbers
- Number of Unique Paths
- X Total Shapes
- Zero Sum Subarrays
- Find whether path exist
- Kth Smallest
- Nth number made of prime digits
- Shortest Common Supersequence
- Nth Catalan Number
- Rotten Oranges
- Steps by Knight
- Maximize The Cut Segments
- Print Anagrams Together
- Rotate by 90 degree
- Top K Frequent in Array
- Closest Three Sum
- Generate Parentheses
- Word Search
- Word Boggle
- Prerequisite Tasks
- Excel Sheet | Part - 1
- Sort 0s, 1s and 2s
- Paths to reach origin
- Pascal Triangle
- Maximum Index
- Number of subarrays with maximum values in given range
- Flip Bits
- Sum of Subarrays
- Equal Sum
- Top k numbers in a stream
- Equivalent Sub-Arrays
- Single Among Doubles in a Sorted
- Count Occurences of Anagrams
- Pythagorean Triplet
- Mr Modulo and Pairs
- Painting the Fence
- Search in Rotated Sorted Array
- Sum of bit differences
- Print Binary Tree levels in sorted order
- Max Score from Subarray Mins
- Maximum Product Subarray
- Longest subarray with sum divisible by K
- Row with max 1s
- Swapping pairs make sum equal
- Check if frequencies can be equal
- Nuts and Bolts Problem
- Maximum distinct elements after removing K elements
- Longest Subarray with Sum K
- Transform String
- Count the Reversals
- Shuffle integers
- Reverse each word in a given string
- k largest elements
- Sum of XOR of all pairs
- Longest Common Substring
- Count of substrings containing K ones
- Longest Substring with K Uniques
- Valid Expression
- K-th element of two Arrays
- Triplets with Smaller Sum
- Rod Cutting
- Greater tower sum
- Missing element of AP
- LCS of three strings
- Longest Palindromic Subsequence
- First negative in every window of size k
- Maximum difference of zeros and ones in binary string
- Minimum sum
- Minimize the Heights II
- First and Last Occurrences
- Construct binary palindrome by repeated appending and trimming
- Smaller on Left
- Print N-bit binary numbers having more 1s than 0s
- Valid Substring
- Permutations of a String
- Mapped String
- Friends Pairing Problem
- String Subsequence Game
- Lexicographically smallest string
- Unique Number II
- Modular Exponentiation
- Largest prime factor
- Max Sum Increasing Subsequence
- Minimum cost to fill given weight in a bag
- Coin Change (Count Ways)
- Sieve of Eratosthenes
- Mobile numeric keypad
- Gold Mine Problem
- Perfect Sum Problem
- Fibonacci Sum
- Smallest number
- Longest subsequence-1
- Power Set
- Count ways to N'th Stair(Order does not matter)
- Knapsack with Duplicate Items
- nCr
- Maximum path sum in matrix
- Minimum steps to destination
- Special Keyboard
- Partition Equal Subset Sum
- Part of it.
- Lucky alive person in a circle
- Count distinct pairs with difference k
- Array Pair Sum Divisibility Problem
- Subset Sums
- Prime Pair with Target Sum
- Last non-zero digit in factorial
- Number of paths
- Nth Natural Number
- Knight Walk
- Permutation with Spaces
- Return two prime numbers
- Count Total Setbits
- Fact Digit Sum
- Find Prime numbers in a range
- Game with String
- Find the Safe Position
- Next Permutation
- Smaller on Left
- How Many X's?
- Longest Repeating Subsequence
- Finding Profession
- Decode the string
- Preorder Traversal and BST
- Stream First Non-repeating
- Possible paths
- Segregate even and odd nodes in a Linked List
- Kth Largest in a Stream
- Sum of Query I
- Replace O's with X's
- Check Mirror in N-ary tree
- Find the string in grid
- Count the paths
- Floyd Warshall
- Negative weight cycle
- Flood fill Algorithm
- Shortest Source to Destination Path
- Base Equivalence
- Shortest Path between Cities
- Police and Thieves
- Geek and Number String
- Missing Point of a Parallelogram
- Recursively Remove Adjacent Duplicates
- Dam of Candies
- Help Classmates
- Iterative Inorder
- Preorder traversal (Iterative)
- Iterative Postorder
- Subset Sum Problem
- Covid Spread
- Bellman-Ford
- Subarrays with sum K
- Searching an element in a sorted array (Ternary Search)
- Sort a 2D vector diagonally
- Remove K Digits
- Substrings of length k with k-1 distinct elements
- Clone a stack without using extra space
- Number of Provinces
- Division without using multiplication, division and mod operator
- Minimize the Heights I
- Subsets
- Anti Diagonal Traversal of Matrix
- Design Browser History
- IPL 2021 - Match Day 2
- Course Schedule
- Overlapping Intervals
- Reverse a Stack
- K-th Largest Sum Contiguous Subarray
- Max Equal sum of 3 Stacks
- Maximum Winning score
- Next element with greater frequency
- Minimum increment/decrement to make array non-Increasing
- Number of Distinct Islands
- Shortest Distance in a Binary Maze
- Minimum Multiplications to reach End
- Number Of Enclaves
- Eventual Safe States
- Rectangles and Squares
- City With the Smallest Number of Neighbors at a Threshold Distance
- Geekland Colosseum
- Maximum Multiple
- Number of Ways to Arrive at Destination
- Path With Minimum Effort
- Subarray Counting
- Cheapest Flights Within K Stops
- Shortest Path in Undirected Graph
- Shortest path in Directed Acyclic Graph
- Longest subarray with Atmost two distinct integers
- Sum of subarray minimum
- Combination Sum III
- Check if there exists a subsequence with sum K
- Combination Sum II
- Shortest Path in Weighted undirected graph
- Word Search
- Minimum Absolute Difference In BST
- Target Path Sum
- Make array Equal
- Floor in BST
- Next Greater Element in Circular Array
- Geeks And The String
- Maximum Points Covered
- Max Sum without Adjacents
- Difference Tree
- Apple Sequences
- Fill the Matrix
- Number of Good Components
- String rp or pr
- Count Cyclic Paths
- Distinct Difference
- Fest and Posters
- Geek and the XOR Play
- Prime Sum Subtrees
- Linked List Group Reverse
- Max rectangle
- Alien Dictionary
- String Permutations
- Histogram Max Rectangular Area
- Word Ladder I
- Count Pairs in an Array
- Edit Distance
- Median in a row-wise sorted Matrix
- Longest valid Parentheses
- Huffman Encoding
- Water Connection Problem
- 132 Geeky Buildings
- Word Ladder II
- IPL 2021 - Final
- Number of pairs
- Navigate Island Country
- Optimal Value
- Maximize the fuel
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