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Profile
description
Articles
people_outline
Campus Ambassadors
Uncover Diverse Options in Colleges and Companies
View Colleges
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ntrex31
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1329
Rank
Current POTD Streak
STREAK
00
/970
days
Institution
Indian Institute of Information Technology, Allahabad (IIIT Allahabad)
Language Used
C++, C
Overall Coding Score
274
Total Problem Solved
140
Monthly Coding Score
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Contributor
Contributor
1 Point
Proficient
Proficient
100 Point
Scholar
Scholar
1k Point
Master
Master
10k Point
Ace
Ace
50k Point
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Course Attended
Contest Attended
SCHOOL (2)
BASIC (15)
EASY (47)
MEDIUM (69)
HARD (7)
Binary representation
Swap kth elements
Good or Bad string
Implement Queue using Linked List
Implement strstr
Replace all 0's with 5
Uncommon characters
Check set bits
Index of first 1 in a sorted array of 0s and 1s
Maximum money
String with numbers at its end
URLify a given string
Sort in specific order
Replace the Bit
Find position of set bit
Power of 2
Digits in a set
Find the element that appears once in sorted array
Generate Grey Code Sequences
Winner of an election
Copy Set Bits in Range
Toppers Of Class
Count all possible paths from top left to bottom right
Numbers with same first and last digit
Inorder Successor in BST
Height of Spiral Tree
Height of Binary Tree
Finding middle element in a linked list
Square root of a number
Run Length Encoding
Equilibrium index of an array
Level order traversal
Print all nodes that don't have sibling
Print all possible strings
Prime number of set bits
Count the elements
Twice Counter
Find the Highest number
Four Elements
Product Pair
Overlapping rectangles
Check if string is rotated by two places
Row with minimum number of 1's
Detect Loop in linked list
Reverse a linked list
Pair with greatest product in array
Left most and right most index
Nth node from end of linked list
Rotate by 90 degree
Missing number in array
Remove duplicate element from sorted Linked List
Level order traversal in spiral form
Root to leaf path sum
Check for BST
Josephus problem
Parenthesis Checker
Right View of Binary Tree
Left View of Binary Tree
Check for Balanced Tree
Next greater number set digits
Remove duplicate elements from sorted Array
Reach the Nth point
Minimum element in a sorted and rotated array
Day of the week
Box Stacking
Maximize Number of 1's
Detect cycle in a directed graph
Detect cycle in an undirected graph
Coin Change
Minimum number of jumps
Fractional Knapsack
Magnet Array Problem
Stickler Thief
Number of Coins
Maximum of all subarrays of size k
Overlapping Intervals
Stock span problem
Next Greater Element
Topological sort
Rat in a Maze Problem - I
K Sum Paths
Leftmost and rightmost nodes of binary tree
Construct Tree from Preorder Traversal
Maximum difference between node and its ancestor
Merge Sort for Linked List
Counting elements in two arrays
Modify Linked List-1
Vertical sum
Check if Tree is Isomorphic
Leaves to DLL
Vertical Traversal of Binary Tree
Sum Tree
Implement Atoi
Root to Leaf Paths
Unit Area of largest region of 1's
Rearrange characters
Count subsequences of type a^i, b^j, c^k
Stepping Numbers
Water Overflow
Smallest distinct window
Huffman Encoding
Steps by Knight
Maximum Tip Calculator
Count triplets with sum smaller than X
First and last occurrences of x
How Many X's?
X Total Shapes
Intersection Point in Y Shaped Linked Lists
Reverse a Linked List in groups of given size
Longest Palindromic Subsequence
Egg Dropping Puzzle
Number of paths
Equal Sum Partition
Search in a Rotated Array
Minimum Platforms
Combine the strings
Remove loop in Linked List
Kadane's Algorithm
Longest consecutive subsequence
Largest number in K swaps
Find the number of islands
k largest elements
Bottom View of Binary Tree
Top View of Binary Tree
Spirally traversing a matrix
Sort an array of 0s, 1s and 2s
Merge two sorted linked lists
Maximum Product Subarray
Maximum sum increasing subsequence
0 - 1 Knapsack Problem
Extreme nodes in alternate order
Diagonal sum in binary tree
Consecutive 1's not allowed
Maximum Path Sum between 2 Special Nodes
Find median in a stream
Similar expressions
Alien Dictionary
Merge Without Extra Space
Wildcard Pattern Matching
Head to Tail ordering