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nikhilkuc904
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Delhi Technological University (DTU)
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Coding Score
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184 submissions in current year
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BASIC (5)
EASY (45)
MEDIUM (105)
HARD (14)
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
Check for BST
Quick Sort
Bottom View of Binary Tree
Intersection in Y Shaped Lists
Diameter of a Binary Tree
Heap Sort
Sum Tree
Tree Boundary Traversal
Directed Graph Cycle
Undirected Graph Cycle
LCA in Binary Tree
Lowest Common Ancestor in a BST
The Celebrity Problem
Topological sort
Merge K sorted linked lists
Find the number of islands
Gas Station
Dijkstra Algorithm
Minimum Spanning Tree
Palindrome Linked List
Rat in a Maze
BST with Dead End
Merge two BST 's
Sort a stack
Duplicate Subtree
Top View of Binary Tree
k-th Smallest in BST
Level order traversal
Merge Sort for Linked List
Populate Inorder Successor for all nodes
Isomorphic Trees
Predecessor and Successor
Deletion in Circular Linked List
Median of BST
Normal BST to Balanced BST
Duplicate Subtrees
Sum of nodes on the longest path
ZigZag Tree Traversal
Kadane's Algorithm
Count Inversions
Triplet Sum in Array
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
Minimum Platforms
M-Coloring Problem
Minimum Jumps
Longest Common Subsequence
0 - 1 Knapsack Problem
Implement Trie
Rotten Oranges
Steps by Knight
Rotate by 90 degree
Maximum Product Subarray
Row with max 1s
Count the Reversals
Max Sum without Adjacents
Factorials of large numbers
Longest Palindrome in a String
Minimum swaps and K together
Longest Palindromic Subsequence
First negative in every window of size k
Minimize the Heights II
Valid Substring
Permutations of a String
Coin Change (Count Ways)
Mobile numeric keypad
Smallest number
nCr
Choose and Swap
Game with String
Next Permutation
Longest Repeating Subsequence
Stream First Non-repeating
Segregate even and odd nodes in a Linked List
Check Mirror in N-ary tree
Find the string in grid
Floyd Warshall
Negative weight cycle
Course Schedule
Overlapping Intervals
Reverse a Stack
Maximum Meetings in One Room
Buy Maximum Stocks
Interleave the First Half of the Queue with Second Half
Minimum Cost to cut a board into squares
Validate Stack Operations
Expression contains redundant bracket or not
Minimum time taken by each job to be completed given by a Directed Acyclic Graph
Geek's Training
Aggressive Cows
Find the first node of loop in linked list
Minimum Spanning Tree - Kruskal's Algorithm
Group Balls by Sequence
Reverse 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
Insertion Sort
Right View of Binary Tree
Height of Binary Tree
Balanced Tree Check
Kth from End of Linked List
Check If Circular Linked List
Left View of Binary Tree
Intersection Sorted Linked Lists
Remove Duplicates from a Sorted Linked List
Reverse Level Order Traversal
DFS of Graph
BFS of graph
Binary Tree to BST
Leaves at Same Level or Not
Multiply two linked lists
Kth largest element in BST
Three way partitioning
Minimum element in BST
Reverse Using Stack
Queue Reversal
Reverse first K of a Queue
Find Sum Pairs Across Two BSTs
Delete Mid of a Stack
Parenthesis Checker
N meetings in one room
Max Value Permutation
Common in 3 Sorted Arrays
Chocolate Distribution Problem
Swap and Maximize
Smallest subarray with sum greater than x
Alternate Positive Negative
Convert a sentence into its equivalent mobile numeric keypad sequence
Second Largest
Two sum -Pairs with 0 Sum
Palindrome String
Shop in Candy Store
Split the binary string into substrings with equal number of 0s and 1s
Move Last Element to Front of a Linked List
Stock Buy and Sell – Max one Transaction Allowed
1-D prefix sum
Clone List with Next and Random
Min distance between two given nodes of a Binary Tree
Trapping Rain Water
Histogram Max Rectangular Area
Solve the Sudoku
Search Pattern
Longest Prefix Suffix
Edit Distance
Median in a row-wise sorted Matrix
Word Wrap
Huffman Encoding
Stock Buy and Sell – Max 2 Transactions Allowed
Maximum difference between pair in a matrix
K Centers Problem
Palindromic Array
Array Subset
Vowel or Not
Greatest of three numbers
Sorted matrix
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