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sk1122
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Language Used
C++, C, Python
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246
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149
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24 points
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BASIC (31)
EASY (56)
MEDIUM (56)
HARD (5)
- Nearly Sorted Algorithm
- Add Number Linked Lists
- Detect Loop in linked list
- Count BST nodes that lie in a given range
- Check for BST
- Merge Sort
- Delete without head pointer
- Implement stack using array
- The Celebrity Problem
- Remove loop in Linked List
- Implement Atoi
- Count distinct elements in every window
- Merge k Sorted Arrays
- Sort a stack
- Find length of Loop
- C++ Generic sort
- Rearrange an array with O(1) extra space
- Stock buy and sell
- Kadane's Algorithm
- Indexes of Subarray Sum
- Merge Without Extra Space
- Subarray with 0 sum
- Kth smallest element
- Longest Increasing Subsequence
- Longest Common Subsequence
- 0 - 1 Knapsack Problem
- Number of Unique Paths
- Sort according to an Array
- Kth Smallest
- Generate Parentheses
- Sort 0s, 1s and 2s
- Longest Span in two Binary Arrays
- Search in Rotated Sorted Array
- Design a tiny URL or URL shortener
- Nuts and Bolts Problem
- The Tiny Miny
- First negative in every window of size k
- First and Last Occurrences
- Coin Change (Count Ways)
- Sieve of Eratosthenes
- String Subsequence
- Perfect Sum Problem
- Count ways to N'th Stair(Order does not matter)
- Minimum Cost To Make Two Strings Identical
- Knapsack with Duplicate Items
- nCr
- Partition Equal Subset Sum
- Number of paths
- Return two prime numbers
- Find the Safe Position
- Longest Repeating Subsequence
- Dam of Candies
- Transfiguration
- Preorder traversal (Iterative)
- Subarrays with sum K
- Shortest Prime Path
- Triangle and Square
- M and N
- Geek-onacci Number
- Flip the Matrix
- Contest Score
- Reverse a linked list
- Frequency in a Linked List
- Node at a given index in linked list
- Inorder Traversal
- Bubble Sort
- Selection Sort
- Insertion Sort
- Mirror Tree
- Two Mirror Trees
- Height of Binary Tree
- Middle of a Linked List
- Left View of Binary Tree
- Find Transition Point
- BFS of graph
- Square Root
- Nodes without a Sibling
- Binary Search
- Minimum element in BST
- Sum of leaf nodes in BST
- Queue Reversal
- Sum of Leaf Nodes
- Swap values using References
- Two Dimensional World
- Find the Frequency
- Back to Front
- Pair Sum in Vector
- Power of 2
- Equilibrium Point
- K largest elements
- Reach a given score
- Union of Arrays with Duplicates
- Check Equal Arrays
- Missing And Repeating
- Consecutive Array Elements
- Play With OR
- Ishaan and Sticks
- Count the Zeros
- Kth LSB
- Karatsuba Algorithm
- Minimum Operations
- Find the Highest number
- Armstrong Numbers
- Love For The Twins
- Palindrome
- Prime Number
- Maximum Sum Problem
- Squares in N*N Chessboard
- Triangular Number
- Sum of First N Natural Numbers
- Tom and Jerry
- Rearrange Geek and his Classmates
- Rotate Array
- Find Length of Linked List
- Size of Binary Tree
- Count Leaves in Binary Tree
- Count zeros in a sorted matrix
- Linked List Insertion At End
- Is Linked List Length Even?
- Sum of Binary Tree
- Count Non-Leaf Nodes in Tree
- Print 1 To N Without Loop
- Array Search
- Sorted Array Search
- Reverse a String
- Ishaan's Internship
- Largest Element in Array
- Game with nos
- Ishaan Loves Chocolates
- Rotating an Array
- Print first letter of every word in the string
- Red OR Green
- Convert String to LowerCase
- LCM And GCD
- Parity of unsigned integer
- Difference series
- Check if two given circles touch each other
- Matching Pair
- Middle of Three
- Anshuman's Favourite Number
- Doctors Clinic
- Long Long Decimal
- Encoding names