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codeachalesh
starstar
STREAK
56/1376
days
Longest streak/Global longest streak
Institution
IIIT Kota
Language Used
C++, C, Java
Coding Score
692
Problem Solved
211
Contest Rating
1422
37 points
Contributor
37 points
Contributor
1 Point
Proficient
Proficient
100 Point
Scholar
Scholar
1k Point
Master
Master
10k Point
Ace
Ace
50k Point
83 submissions in current year
SCHOOL (0)
BASIC (18)
EASY (73)
MEDIUM (102)
HARD (18)
- Reverse a linked list
- Inorder Traversal
- Insertion Sort
- Check for BST
- Mirror Tree
- Height of Binary Tree
- DFS of Graph
- BFS of graph
- Square Root
- Lowest Common Ancestor in a BST
- Largest subarray of 0's and 1's
- Multiply two linked lists
- Max distance between same elements
- Level order traversal
- Reverse an Array
- Equilibrium Point
- Array Leaders
- Floor in a Sorted Array
- Rotate by 90 degree
- Anagram
- Strings Rotations of Each Other
- Non Repeating Character
- Parenthesis Checker
- Union of Arrays with Duplicates
- Product array puzzle
- Missing And Repeating
- Find Kth Rotation
- Sort by Set Bit Count
- Sorted and Rotated Minimum
- Search in a Row-Column sorted matrix
- Move All Zeroes to End
- String Duplicates Removal
- Chocolate Distribution Problem
- Find Pair Given Difference
- Swap and Maximize
- Remove Consecutive Characters
- Kth distance
- Second Largest
- Two Sum - Pair with Given Sum
- Number of occurrence
- Sum Pair closest to target
- Min Number of Flips
- Two sum -Pairs with 0 Sum
- Segregate 0s and 1s
- Search array with adjacent diff at most k
- Pair with given sum in a sorted array
- Shop in Candy Store
- Ceil The Floor
- Find nth root of m
- Rearrange Geek and his Classmates
- Pattern 14
- Pattern 15
- Pattern 16
- Pattern 18
- Pattern 19
- Pattern 20
- Pattern 21
- Pattern 22
- Stock Buy and Sell – Max one Transaction Allowed
- Find the first node of loop in linked list
- Two Smallests in Every Subarray
- Largest Pair Sum
- Two Swaps
- Count pairs with given sum
- Meeting Rooms
- Count Pairs whose sum is less than target
- Intersection of Two arrays with Duplicate Elements
- Search in a row-wise sorted matrix
- Max Distance
- Minimize the Purchase
- Qualification Possibility
- Find n-th Term
- Equal Xor
- Rotate a Linked List
- Add Number Linked Lists
- Detect Loop in linked list
- Intersection in Y Shaped Lists
- Diameter of a Binary Tree
- Merge two sorted linked lists
- Tree Boundary Traversal
- The Celebrity Problem
- Largest subarray with 0 sum
- Merge K sorted linked lists
- Serialize and deserialize a binary tree
- Remove loop in Linked List
- Implement Atoi
- Palindrome Linked List
- Count distinct elements in every window
- k-th Smallest in BST
- Pair Sum in BST
- K Sum Paths
- Construct Tree from Inorder & Preorder
- Maximum path sum from any node
- Smallest Positive Missing
- Rotate Array
- Kadane's Algorithm
- Count Inversions
- Union of 2 Sorted with Duplicates
- Indexes of Subarray Sum
- Count the number of possible triangles
- Merge Without Extra Space
- Spirally traversing a matrix
- Search in a sorted Matrix
- Subarray with 0 sum
- Subarray range with given sum
- Longest Consecutive Subsequence
- Stock span problem
- Next Greater Element
- K Sized Subarray Maximum
- Nearly sorted
- Allocate Minimum Pages
- Zero Sum Subarrays
- Kth Smallest
- Container With Most Water
- Print Anagrams Together
- Stock Buy and Sell – Multiple Transaction Allowed
- Sort 0s, 1s and 2s
- Split the Array
- Search in Rotated Sorted Array
- Max Score from Subarray Mins
- Form the Largest Number
- Add Binary Strings
- Maximum Product Subarray
- Row with max 1s
- Substrings with K Distinct
- Longest Subarray with Sum K
- k largest elements
- Smallest distinct window
- Longest substring with distinct characters
- K-th element of two Arrays
- Arranging the array
- Triplets with Smaller Sum
- Minimum swaps and K together
- First negative in every window of size k
- Minimum sum
- First and Last Occurrences
- Permutations of a String
- Nth Natural Number
- Next Permutation
- Number of minimum picks to get 'k' pairs of socks from a drawer
- Spiral Matrix
- Coins of Geekland
- Valid Pair Sum
- Dam of Candies
- Transfiguration
- Repeated String Match
- Bit Difference
- Ruling Pair
- Triplets in Sorted Linked List
- Restrictive Candy Crush
- Help Classmates
- Restricted Pacman
- Valentine Sum
- Subarrays with sum K
- Rearrange characters
- Minimize the Heights I
- Overlapping Intervals
- Find k-th smallest element in given n ranges
- Wine Buying and Selling
- Pattern
- Majority Element II
- Aggressive Cows
- Non-overlapping Intervals
- Insert Interval
- Make array elements unique
- Kth Missing Positive Number in a Sorted Array
- Count Subarrays with given XOR
- Set Matrix Zeroes
- Find All Triplets with Zero Sum
- Split array in three equal sum subarrays
- Find H-Index
- Count all triplets with given sum in sorted array
- Implement Pow
- K Closest Points to Origin
- Longest Bounded-Difference Subarray
- Linked List Group Reverse
- Clone List with Next and Random
- LRU Cache
- Fixing Two nodes of a BST
- Trapping Rain Water
- Max Circular Subarray Sum
- Histogram Max Rectangular Area
- Find median in a stream
- Solve the Sudoku
- Search Pattern (KMP-Algorithm)
- Check Tree Traversal
- Longest valid Parentheses
- N-Queen Problem
- Smallest Positive Integer that can not be represented as Sum
- Secret Cipher
- 132 Geeky Buildings
- Corona Vaccine
- Min Chars to Add for Palindrome
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