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anurag10202
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9 submissions in current year
SCHOOL (1)
BASIC (15)
EASY (101)
MEDIUM (190)
HARD (21)
- Reverse a linked list
- Frequency in a Linked List
- Pairwise swap elements of a linked list
- Node at a given index in linked list
- Delete nodes having greater value on right
- Remove duplicates from an unsorted linked list
- Split a Linked List into two halves
- Inorder Traversal
- Reverse a Doubly Linked List
- Bubble Sort
- Selection Sort
- Insertion Sort
- Right View of Binary Tree
- Mirror Tree
- Two Mirror Trees
- Maximum Width of 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
- Transform to Sum Tree
- Intersection Sorted Linked Lists
- Queue using two Stacks
- 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
- Binary Search
- Remove Duplicates Sorted Array
- Level Order Line by Line
- Minimum Depth of a Binary Tree
- Binary Tree to BST
- Leaves at Same Level or Not
- Search a node in BST
- Josephus problem
- Delete in a Singly Linked List
- Kth largest element in BST
- Array Duplicates
- Special Stack
- Three way partitioning
- Minimum element in BST
- Reverse Using Stack
- Symmetric Tree
- Queue Reversal
- Reverse first K of a Queue
- Find Sum Pairs Across Two BSTs
- Delete Mid of a Stack
- Reverse an Array
- Print adjacency list
- Transpose of Matrix
- Print Non-Repeated Elements
- Isomorphic Strings
- Reverse Words
- Parenthesis Checker
- K largest elements
- N meetings in one room
- Reach a given score
- Union of Arrays with Duplicates
- Missing in Array
- Product array puzzle
- Roman Number to Integer
- Search an element in sorted and rotated array
- Max Value Permutation
- Missing And Repeating
- Maximize sum after K negations
- Common in 3 Sorted Arrays
- Search in a Row-Column sorted matrix
- Move all negative elements to end
- Chocolate Distribution Problem
- Find Pair Given Difference
- Drive the car
- Swap and Maximize
- Alternate Positive Negative
- Remove Consecutive Characters
- Remove Duplicates
- Second Largest
- Two Sum - Pair with Given Sum
- Second most repeated string in a sequence
- Reversing the equation
- Find missing in second array
- Special array reversal
- Two sum -Pairs with 0 Sum
- Segregate 0s and 1s
- Element with left side smaller and right side greater
- Merge two binary Max heaps
- Palindrome String
- Search array with adjacent diff at most k
- Shop in Candy Store
- Minimum number of Coins
- Check if it is possible to survive on Island
- Squares in N*N Chessboard
- Odd Game
- Overlapping rectangles
- Count all possible paths from top left to bottom right
- Palindromic Substring
- Geek and Snow Fighting
- Rotate a Linked List
- Sort a linked list of 0s, 1s and 2s
- Add Number Linked Lists
- Add 1 to a Linked List Number
- Merge 2 sorted linked list in reverse order
- Detect Loop in linked list
- Count BST nodes that lie in a given range
- Check for BST
- Merge 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
- Sum Tree
- Flattening a Linked List
- Diagonal Tree Traversal
- Stack using Queue
- Tree Boundary Traversal
- 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
- The Celebrity Problem
- Largest subarray with 0 sum
- Topological Sort
- Vertical Tree Traversal
- Merge K sorted linked lists
- Find the number of islands
- Gas Station
- Is Binary Tree Heap
- Remove loop in Linked List
- Dijkstra Algorithm
- Largest BST
- Count Palindromic Subsequences
- Minimum Swaps to Sort
- Palindrome Linked List
- Rat in a Maze
- Bipartite Graph
- BST with Dead End
- Merge k Sorted Arrays
- Find triplets with zero sum
- Sort a stack
- Duplicate Subtree
- Top View of Binary Tree
- k-th Smallest in BST
- Level order traversal
- Pair Sum in BST
- Populate Inorder Successor for all nodes
- K Sum Paths
- Construct Tree from Inorder & Preorder
- Maximum path sum
- Predecessor and Successor
- Children Sum in a Binary Tree
- Deletion in Circular Linked List
- Median of BST
- Normal BST to Balanced BST
- Duplicate Subtrees
- Sum of nodes on the longest path
- Convert Level Order Traversal to BST
- Min Heap implementation
- Tower Of Hanoi
- Smallest Positive Missing
- Power Of Numbers
- Wave Array
- Stock buy and sell
- Kadane's Algorithm
- Majority Element
- Binary Array Sorting
- Indexes of Subarray Sum
- Triplet Sum in Array
- Merge Without Extra Space
- Spirally traversing a matrix
- Distance of nearest cell having 1
- Subarray with 0 sum
- Longest Consecutive Subsequence
- Strings Rotations of Each Other
- Postfix Evaluation
- Next Greater Element
- Minimum Cost of ropes
- Fractional Knapsack
- Job Sequencing Problem
- Minimum Platforms
- Largest number in K swaps
- Target Sum Combinations
- Unique Subsets
- Minimum Jumps
- Stickler Thief
- Ways to Reach the n'th Stair
- Egg Dropping Puzzle
- Longest Increasing Subsequence
- Longest Common Subsequence
- 0 - 1 Knapsack Problem
- Number of Unique Paths
- Allocate Minimum Pages
- Preorder to BST
- Zero Sum Subarrays
- Kth Smallest
- Implement Trie
- Shortest Common Supersequence
- Rotten Oranges
- Steps by Knight
- Print Anagrams Together
- Top K Frequent in Array
- Word Break
- Stock Buy and Sell – Multiple Transaction Allowed
- Generate Parentheses
- Word Search
- Sort 0s, 1s and 2s
- Maximum Sub Array
- Pascal Triangle
- Single Among Doubles
- Pythagorean Triplet
- Search in Rotated Sorted Array
- Maximum Product Subarray
- Column name from a given column number
- Form a palindrome
- Longest Subarray with Sum K
- Count the Reversals
- Max Sum without Adjacents
- Factorials of large numbers
- k largest elements
- Longest Common Substring
- Longest substring with distinct characters
- Valid Expression
- K-th element of two Arrays
- Longest Arithmetic Subsequence
- Triplets with Smaller Sum
- Rod Cutting
- Minimum swaps and K together
- 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
- Print N-bit binary numbers having more 1s than 0s
- Valid Substring
- Minimum number of deletions
- Minimum Swaps for Bracket Balancing
- Permutations of a String
- Friends Pairing Problem
- Minimum number of deletions and insertions
- Max Sum Increasing Subsequence
- Minimum cost to fill given weight in a bag
- Coin Change (Count Ways)
- Mobile numeric keypad
- Gold Mine Problem
- Coin Change (Minimum Coins)
- Smallest number
- Longest subsequence-1
- Power Set
- Knapsack with Duplicate Items
- nCr
- Geek and its Game of Coins
- Maximum path sum in matrix
- Partition Equal Subset Sum
- Subset Sums
- Knight Walk
- Permutation with Spaces
- Find nth root of m
- Game with String
- Longest Repeating Subsequence
- Longest alternating subsequence
- Segregate even and odd nodes in a Linked List
- Check Mirror in N-ary tree
- Special Matrix
- Floyd Warshall
- Negative weight cycle
- Help Classmates
- Jump Game
- Subset Sum Problem
- Longest Palindromic Substring
- All Palindromic Partitions
- Subarrays with sum K
- Subsets
- Flatten binary tree to linked list
- IPL 2021 - Match Day 2
- Target Sum
- Overlapping Intervals
- Reverse a Stack
- Smallest sum contiguous subarray
- Array Removals
- Shortest Distance in a Binary Maze
- Majority Element - More Than n/3
- Find the first node of loop in linked list
- Linked List Group Reverse
- Reorder List
- Binary Tree to DLL
- Clone List with Next and Random
- Min distance between two given nodes of a Binary Tree
- Partition array to k subsets
- Trapping Rain Water
- Max Circular Subarray Sum
- Histogram Max Rectangular Area
- Max of min for every window size
- Solve the Sudoku
- Merge Without Extra Space
- Distinct palindromic substrings
- Edit Distance
- Minimum sum partition
- Palindromic Partitioning
- Matrix Chain Multiplication
- Boolean Parenthesization
- Word Break - 2
- N-Queen Problem
- Stock Buy and Sell – Max 2 Transactions Allowed