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Profile
description
Articles
people_outline
Campus Ambassadors
Uncover Diverse Options in Colleges and Companies
View Colleges
View Companies
Rumani
Follow
990
Rank
Current POTD Streak
STREAK
00
/970
days
Institution
National Institute of Technology, Patna (NIT Patna)
Language Used
C++, Java
Overall Coding Score
335
Total Problem Solved
267
Monthly Coding Score
_ _
Contributor
Contributor
1 Point
Proficient
Proficient
100 Point
Scholar
Scholar
1k Point
Master
Master
10k Point
Ace
Ace
50k Point
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How Badges Work
Course Attended
Contest Attended
SCHOOL (39)
BASIC (83)
EASY (103)
MEDIUM (40)
HARD (2)
Print string N times
Find difference between sum of diagonals
Check String
Value equal to index value
Remove Spaces
Maximum and Minimum Of Array Elements
Count type of Characters
DELETED - Find Count Digit[Duplicate]
Armstrong Numbers
Swap kth elements
Lower case to upper case
Remove characters from alphanumeric string
Sum of Digit is Pallindrome or not
Sum of Array Elements
C++ Operators | Set 1 (Arithmetic)
At least two greater elements
Binary representation
Reverse an Array
Number of divisors
Sum of elements in a matrix
Identical Matrices
Count of camel case characters
Print the left element
C++ Switch Case Statement
C++ Operators (Relational) | Set 2
Addition of two square matrices
C++ Array (print an element) | Set 2
Java Hello World
Find Index
Count of smaller elements
Multiply Array
Sum Palindrome
Palindrome
Addition of Two Numbers
Print 1 to n without using loops
Reverse digits
C++ if-else (Decision Making)
Arrays (Sum of array)
C++ Strings
Union of two arrays
Searching an element in a sorted array
Alternative Sorting
Index of first 1 in a sorted array of 0s and 1s
Linked List Length Even or Odd?
Print Linked List elements
Insert in Middle of Linked List
Anagram Palindrome
Count Leaves in Binary Tree
Sum of Binary Tree
Elements in the Range
Searching a number
Sum of distinct elements
Size of Binary Tree
Quick Left Rotation
Reverse a String
Find the Sum of Last N nodes of the Linked List
Sorted matrix
Anagram of String
Remove Consecutive Characters
GCD of Array
Swap two nibbles in a byte
Balanced Array
Fighting the darkness
Binary Array Sorting
Permutations in array
Maximum product of two numbers
Sort The Array
Power of 2
Pattern Jumping
Binary Search
Reverse array in groups
Total digits
Keypad typing
Sort a String
Maximum Occuring Character
Prime Number
Set kth bit
Search a node in BST
Minimum element in BST
Search an Element in an array
Postorder Traversal
Preorder Traversal
Inorder Traversal
Binary String
Check set bits
Count pair sum
String with numbers at its end
XOR of all elements
Delete Alternate Nodes
Identical Linked Lists
Node at a given index in linked list
Count nodes of linked list
Exceptionally odd
Invert the Bits
Print first letter of every word in the string
Smallest Missing in Sorted Array
K-th distinct element
Linked List Insertion
Form largest number from digits
Perfect Reversible String
Cyclically rotate an array by one
Tidy Number
Find minimum and maximum element in an array
Find second largest element
Largest Element in Array
Array Subset of another array
Fake Profile
Extract Maximum
Sum of numbers in string
Remove Duplicates from unsorted array
Uncommon characters
Total count
Maximum money
Sort in specific order
Check if two arrays are equal or not
Unique Numbers
Last index of One
Missing number in shuffled array
Check if divisible by 5
Find duplicates under given constraints
C++ Hello World
Missing number
Common elements
Minimum Cost of ropes
Frequencies of Limited Range Array Elements
Missing number in array
Count Pairs whose sum is equal to X
Height of Binary Tree
Find Pair Given Difference
Good Pairs
Leaders in an array
Mirror Tree
Nth Fibonacci Number
Binary Tree K level sum
Palindrome String
Print all nodes that don't have sibling
Trailing zeroes in factorial
Root to leaf path sum
Level order traversal
Selection Sort
Bubble Sort
Two Mirror Trees
Determine if Two Trees are Identical
Search in a matrix
Finding Number
Max Level Sum in Binary Tree
Second most repeated string in a sequence
Count the Zeros
Implement two stacks in an array
Move all zeroes to end of array
Twice Counter
Level order traversal in spiral form
Rotation
Delete without head pointer
Four Elements
Count More than n/k Occurences
Sum of given range
Count Digits
Max value
Check if array is sorted
Reverse a string using Stack
Remaining String
Perfect Numbers
Maximize Toys
Nth node from end of linked list
Detect Loop in linked list
Finding middle element in a linked list
Remove all duplicates from a given string
Reverse words in a given string
Equilibrium Point
Minimum indexed character
Generate Binary Numbers
Sum of Divisors in an array
AND operation
Palindrome Sentence
Panagram Checking
Pangram Strings
Count Alphabets
Remove b and ac from a given string
Pattern Searching
Anagram
Number of 1 Bits
Element that appears once where every element occurs twice
Print BST elements in given range
Count BST nodes that lie in a given range
Kth largest element in BST
Reverse Level Order Traversal
K distance from root
Parenthesis Checker
Insert a node in a BST
Max and min element in Binary Tree
Rearrange a string
Remove every kth node
Delete a Node in Single Linked List
Remove duplicate element from sorted Linked List
Delete Middle of Linked List
Compare two linked lists
Occurence of an integer in a Linked List
Special Stack
linked list of strings forms a palindrome
1[0]1 Pattern Count
Key Pair
Count the elements
Find first set bit
First Come First Serve
Check if string is rotated by two places
Length of longest subarray
Remove duplicate elements from sorted Array
Segregate 0s and 1s
Split the string
Sum of product of all pairs
Meta Strings
First element to occur k times
Left most and right most index
Absolute distinct count
First Repeating Element
Non Repeating Character
Find first repeated character
Playing with mobile numbers
Minimum element in a sorted and rotated array
Pair with greatest product in array
Find all pairs with a given sum
Index Of an Extra Element
Find the element that appears once in sorted array
Second Largest
Next Greater Element
Largest Number formed from an Array
k largest elements
Check if Tree is Isomorphic
Longest Common Subsequence
Maximum of all subarrays of size k
Boolean Matrix
Count triplets with sum smaller than X
Find Missing And Repeating
Check if subtree
Diagonal Traversal of Binary Tree
Sum Tree
Longest Increasing Subsequence
Rearrange Array Alternately
Valid Substring
Counting elements in two arrays
Find triplets with zero sum
Sort an array according to the other
Triplet Sum in Array
Stickler Thief
Surpasser Count
Reverse each word in a given string
Find Indexes of a subarray with given sum
Kadane's Algorithm
Search Pattern (KMP-Algorithm)
Count total set bits
Kth smallest element
Find the element that appears once
Sum of Subarrays
Search in a Rotated Array
Delete keys in a Linked list
Merge two sorted linked lists
Check if Linked List is Palindrome
Intersection Point in Y Shaped Linked Lists
Majority Element
Number of occurrence
Sort an array of 0s, 1s and 2s
Arranging the array
Smallest Positive missing number
K-th element of two Arrays
Longest valid Parentheses
Merge Without Extra Space