nitish_gangwar
STREAK
01/1473
days
Longest streak/Global longest streak
Language Used
C++, C
Coding Score
710
Problem Solved
248
Contest Rating
__
202 points
Contributor
202 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 (1)
BASIC (22)
EASY (80)
MEDIUM (129)
HARD (16)
- 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
- Bottom View of Binary Tree
- Delete without head pointer
- Intersection in Y Shaped Lists
- Diameter of a Binary Tree
- Merge two sorted linked lists
- Flattening a Linked List
- Tree Boundary Traversal
- Undirected Graph Cycle
- LCA in Binary Tree
- Absolute List Sorting
- Two Stacks in an Array
- Largest subarray with 0 sum
- Vertical Tree Traversal
- Find the number of islands
- Count Palindromic Subsequences
- Palindrome Linked List
- Peak element
- Union of Two Linked Lists
- Occurences of 2 as a digit
- Children Sum in a Binary Tree
- Construct Tree from Preorder Traversal
- Count set bits
- Reverse array in groups
- Smallest Positive Missing
- Wave Array
- Rearrange Array Alternately
- Stock buy and sell
- Kadane's Algorithm
- Majority Element
- Count Inversions
- Indexes of Subarray Sum
- Triplet Sum in Array
- Merge Without Extra Space
- Boolean Matrix
- Spirally traversing a matrix
- Subarray with 0 sum
- Subarrays with equal 1s and 0s
- Longest Consecutive Subsequence
- Strings Rotations of Each Other
- Next Greater Element
- Minimum Platforms
- Minimum Jumps
- Stickler Thief
- Egg Dropping Puzzle
- Optimal Strategy For A Game
- Longest Increasing Subsequence
- Longest Common Subsequence
- 0 - 1 Knapsack Problem
- X Total Shapes
- Kth Smallest
- Implement Trie
- Shortest Common Supersequence
- Nth Catalan Number
- Rotten Oranges
- Maximize The Cut Segments
- Word Break
- Sort 0s, 1s and 2s
- Single Among Doubles in a Sorted
- Pythagorean Triplet
- Painting the Fence
- Search in Rotated Sorted Array
- Form the Largest Number
- Row with max 1s
- Design a tiny URL or URL shortener
- Form a palindrome
- Factorials of large numbers
- Reverse each word in a given string
- Longest Common Substring
- Longest substring with distinct characters
- Longest Palindrome in a String
- Look and Say Pattern
- Rod Cutting
- LCS of three strings
- Maximum difference of zeros and ones in binary string
- Minimize the Heights II
- Minimum Deletions
- Permutations of a String
- Friends Pairing Problem
- Unique Number II
- Minimum number of deletions and insertions
- Max Sum Increasing Subsequence
- Coin Change (Count Ways)
- Minimum steps to delete a string
- Sieve of Eratosthenes
- Coin Change (Minimum Coins)
- Dice throw
- Perfect Sum Problem
- Longest subsequence-1
- Power Set
- Minimum Cost To Make Two Strings Identical
- Subset with sum divisible by k
- Knapsack with Duplicate Items
- nCr
- Number of ways
- Maximum path sum in matrix
- Special Keyboard
- Partition Equal Subset Sum
- Longest Bitonic subsequence
- Get Minimum Squares
- Count the number of ways to tile the floor of size n x m using 1 x m size tiles
- Prime Pair with Target Sum
- Number of paths
- Next Permutation
- Longest Repeating Subsequence
- Longest alternating subsequence
- Total Decoding Messages
- Stream First Non-repeating
- Largest square formed in a matrix
- Snake and Ladder Problem
- Rohan's Love for Matrix
- Special Matrix
- Flood fill Algorithm
- Restrictive Candy Crush
- Iterative Inorder
- Preorder traversal (Iterative)
- Iterative Postorder
- Subset Sum Problem
- Longest Palindromic Substring
- Form a palindrome
- Number of Provinces
- Maximum sum leaf to root path
- Minimize the Heights I
- Overlapping Intervals
- Reverse a linked list
- Frequency in a Linked List
- Pairwise swap elements of a linked list
- Node at a given index in linked list
- Remove duplicates from an unsorted linked list
- Check for BST
- Right View of Binary Tree
- K distance from root
- Mirror Tree
- 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
- Delete Middle of Linked List
- Decimal Equivalent of Binary Linked List
- Transform to Sum Tree
- Find Transition Point
- Remove Duplicates from a Sorted Linked List
- DFS of Graph
- BFS of graph
- Identical Trees
- Square Root
- Lowest Common Ancestor in a BST
- Binary Search
- Remove Duplicates Sorted Array
- Minimum Depth of a Binary Tree
- Josephus problem
- Array Duplicates
- Max Level Sum in Binary Tree
- Intersection of Two Linked Lists
- Reverse Using Stack
- Full Binary Tree
- Symmetric Tree
- Delete Alternate Nodes
- Count Pairs whose sum is equal to X
- Maximum Node Level
- Queue Reversal
- Reverse first K of a Queue
- First Set Bit
- Equilibrium Point
- Array Leaders
- Print adjacency list
- Anagram
- String Rotated by 2 Places
- Reverse Words
- Parenthesis Checker
- Reach a given score
- Count number of hops
- Union of Arrays with Duplicates
- Missing in Array
- Roman Number to Integer
- Missing And Repeating
- Pairs with certain difference
- Common in 3 Sorted Arrays
- String Duplicates Removal
- Move all negative elements to end
- Chocolate Distribution Problem
- Count the triplets
- Maximum Sum Bitonic Subsequence
- Remove Duplicates
- Convert array into Zig-Zag fashion
- Longest Common Prefix of Strings
- Two sum -Pairs with 0 Sum
- Segregate 0s and 1s
- Element with left side smaller and right side greater
- Palindrome String
- Minimum Operations
- Armstrong Numbers
- Element that appears once where every element occurs twice
- Maximum Sum Problem
- Reach the Nth point
- Minimum number of Coins
- Adjacents are not allowed
- Trailing zeroes in factorial
- Overlapping rectangles
- Print Pattern
- Print Diagonally
- Rotate Array
- Find Length of Linked List
- Count Leaves in Binary Tree
- Postorder Traversal
- Replace all 0's with 5
- First Occurence
- Sum Except First and Last
- Minimum element in BST
- Is Linked List Length Even?
- Identical Linked Lists
- Bit Difference
- Reverse a String
- Binary Array Sorting
- Last index of One
- Rotate Array by One
- Array Subset
- Min and Max in Array
- Binary representation
- Find position of set bit
- House Robber
- Ways To Tile A Floor
- Minimum difference pair
- Linked List Group Reverse
- Min distance between two given nodes of a Binary Tree
- Max Path Sum 2 Special Nodes
- Trapping Rain Water
- Distinct palindromic substrings
- Search Pattern
- Edit Distance
- Minimum sum partition
- Palindromic Partitioning
- Matrix Chain Multiplication
- Boolean Parenthesization
- Longest valid Parentheses
- Longest Zig-Zag Sub Sequence
- Search Pattern (Rabin-Karp Algorithm)
- Longest substring to form a Palindrome
- Number of distinct words with K maximum contiguous vowels
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