N
namanaggarwal1
STREAK
01/1490
days
Longest streak/Global longest streak
67 points
Contributor
67 points
Contributor
1 Point
Proficient
Proficient
100 Point
Scholar
Scholar
1k Point
Master
Master
10k Point
Ace
Ace
50k Point
4 submissions in current year
SCHOOL (0)
BASIC (18)
EASY (95)
MEDIUM (169)
HARD (20)
- Longest Even Length Substring
- 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
- Quick Sort on Linked List
- Count BST nodes that lie in a given range
- Bottom View of Binary Tree
- Intersection in Y Shaped Lists
- Diameter of a Binary Tree
- Heap Sort
- Sum Tree
- Flattening a Linked List
- Diagonal Tree Traversal
- Tree Boundary Traversal
- Delete a node from BST
- Directed Graph Cycle
- Undirected Graph Cycle
- LCA in Binary Tree
- Two Stacks in an Array
- The Celebrity Problem
- Topological sort
- Merge K sorted linked lists
- Find the number of islands
- Get Min from Stack
- Gas Station
- Is Binary Tree Heap
- Remove loop in Linked List
- Largest BST
- Interleaved Strings
- Count Palindromic Subsequences
- Minimum Swaps to Sort
- Implement Atoi
- Palindrome Linked List
- Strongly Connected
- Rat in a Maze Problem - I
- Bipartite Graph
- BST with Dead End
- Merge two BST 's
- Count distinct elements in every window
- Merge k Sorted Arrays
- Sort a stack
- Duplicate Subtree
- Find the missing no in string
- Top View of Binary Tree
- k-th Smallest in BST
- Level order traversal
- Merge Sort for Linked List
- Ancestors in Binary Tree
- Root to Leaf Paths
- Construct Tree from Inorder & Preorder
- Isomorphic Trees
- Predecessor and Successor
- Duplicate Subtrees
- Sum of nodes on the longest path
- ZigZag Tree Traversal
- Count set bits
- Smallest Positive Missing
- Maximum Index
- Stock buy and sell
- Kadane's Algorithm
- Majority Element
- Binary Array Sorting
- Count Inversions
- 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
- Postfix Evaluation
- Next Greater Element
- K Sized Subarray Maximum
- Minimum Cost of ropes
- Activity Selection
- Fractional Knapsack
- Minimum Platforms
- Largest number in K swaps
- Combination Sum
- 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
- Largest number
- Allocate Minimum Pages
- Preorder to BST
- Zero Sum Subarrays
- Kth Smallest
- Rotten Oranges
- Steps by Knight
- Maximize The Cut Segments
- Print Anagrams Together
- Word Break
- Generate Parentheses
- Word Boggle
- 4 Sum - All Quadruples
- Sort 0s, 1s and 2s
- Count Occurences of Anagrams
- Painting the Fence
- Pair Sum Closest to 0
- Search in Rotated Sorted Array
- Smallest number with at least n trailing zeroes in factorial
- Maximum Product Subarray
- Row with max 1s
- Column name from a given column number
- Count the Reversals
- Factorials of large numbers
- Reverse each word in a given string
- k largest elements
- Longest Common Substring
- Smallest distinct window
- Longest Substring with K Uniques
- Longest Palindrome in a String
- String formation from substring
- 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
- Valid Substring
- Minimum Swaps for Bracket Balancing
- Permutations of a String
- Subsequence matching
- Friends Pairing Problem
- Unique Number II
- Max Sum Increasing Subsequence
- Minimum cost to fill given weight in a bag
- Coin Change (Count Ways)
- Coin Change (Minimum Coins)
- Smallest number
- Longest subsequence-1
- Power Set
- Knapsack with Duplicate Items
- nCr
- Maximum path sum in matrix
- Partition Equal Subset Sum
- Count possible ways to construct buildings
- Count the number of ways to tile the floor of size n x m using 1 x m size tiles
- Number of paths
- Choose and Swap
- Find Prime numbers in a range
- Game with String
- Two water Jug problem
- Next Permutation
- Longest Repeating Subsequence
- Longest alternating subsequence
- Total Decoding Messages
- Stream First Non-repeating
- Segregate even and odd nodes in a Linked List
- Largest square formed in a matrix
- Kth Largest in a Stream
- Eulerian Path in an Undirected Graph
- Check Mirror in N-ary tree
- Find the string in grid
- Floyd Warshall
- Negative weight cycle
- Flood fill Algorithm
- Subset Sum Problem
- Reverse a linked list
- Pairwise swap elements of a linked list
- Delete nodes having greater value on right
- Remove duplicates from an unsorted linked list
- Split a Linked List into two halves
- 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
- 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
- Stack using two queues
- Level Order in spiral form
- Reverse Level Order Traversal
- DFS of Graph
- Insert a node in a BST
- BFS of graph
- Identical Trees
- Root to leaf path sum
- Lowest Common Ancestor in a BST
- Binary Tree to BST
- Remove every k'th node
- Leaves at Same Level or Not
- Multiply two linked lists
- Josephus problem
- Kth largest element in BST
- Special Stack
- Three way partitioning
- Reverse Using Stack
- Find the Sum of Last N nodes of the Linked List
- Find length of Loop
- Median of BST
- Queue Reversal
- Reverse first K of a Queue
- Brothers From Different Roots
- Power of 2
- Array Leaders
- Transpose of Matrix
- Isomorphic Strings
- Reverse Words
- Non Repeating Character
- Parenthesis Checker
- K largest elements
- N meetings in one room
- Reach a given score
- 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
- Maximize sum after K negations
- Pairs with certain difference
- Common in 3 Sorted Arrays
- Next greater number set digits
- Search in a Row-Column sorted matrix
- Chocolate Distribution Problem
- Find Pair Given Difference
- Swap and Maximize
- Smallest subarray with sum greater than x
- Remove Consecutive Characters
- Two Sum - Pair with Given Sum
- Second most repeated string in a sequence
- Find all pairs with a given sum
- Does array represent Heap
- Min Number of Flips
- Two sum -Pairs with 0 Sum
- Element with left side smaller and right side greater
- Merge two binary Max heaps
- Palindrome String
- Pangram Strings
- Shop in Candy Store
- Is Binary Number Multiple of 3
- Number of 1 Bits
- Max Sum Subarray of size K
- Shortest path from 1 to n
- Page Faults in LRU
- Trailing zeroes in factorial
- BBT counter
- Money Division
- Arithmetic Number
- Overlapping rectangles
- Array to BST
- Sum of dependencies in a graph
- 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
- Alien Dictionary
- Max Path Sum 2 Special Nodes
- Trapping Rain Water
- Smallest window containing all characters
- Histogram Max Rectangular Area
- Find median in a stream
- Solve the Sudoku
- Merge Without Extra Space
- Longest Prefix Suffix
- Edit Distance
- Palindromic Partitioning
- Stock Buy and Sell – Max K Transactions Allowed
- Word Break - 2
- Maximum sum Rectangle
- Find Length of Linked List
- First Occurence
- Sum Except First and Last
- Smallest divisible number
- Palindromic Array
- Minimum element in BST
- Is Linked List Length Even?
- Absolute Value
- Convert Celsius To Fahrenheit
- Bit Difference
- Addition Under Modulo
- Value equal to index value
- Fighting the darkness
- Rotate Array by One
- Array Subset
- Median of an Array
- Count Squares
- Middle of Three
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