Name

shashi bhushan rana

Rank in Institute

#168

Campus Ambassador

Overall Coding Score: 347

Monthly Coding Score: 0

Weekly Coding Score: 0

- Max sum in the configuration
- Frequency Game
- Find the Frequency
- XOR of a given range
- Counting Sort
- Sum of leaf nodes in BST
- Sort a stack
- Special Stack
- Odd even level difference
- Root to leaf path sum
- Lowest Common Ancestor in a Binary Tree
- Mirror Tree
- Merge two sorted linked lists
- Maximum height of the staircase
- Squares in N*N Chessboard
- Nth item through sum
- Search in a matrix
- Count pairs with given sum

- Count BST nodes that lie in a given range
- Check for BST
- Delete without head pointer
- k-th smallest element in BST
- Intersection Point in Y Shapped Linked Lists
- Merge two BST 's
- Pots of Gold Game
- Strongly Connected Components (Kosaraju's Algo)
- Remove loop in Linked List
- Get minimum element from stack
- Quick Sort on Linked List
- Connect Nodes at Same Level
- The Celebrity Problem
- Detect cycle in a directed graph
- Word Boggle
- Convex Hull
- Knight Walk
- Replace O's with X's
- Trie | (Insert and Search)
- Hamiltonian Path
- Easy Query
- Word Break
- Interesting Queries
- Max absolute difference
- Is Sudoku Valid
- Unit Area of largest region of 1's
- Overlapping Intervals
- Smallest window in a string containing all the characters of another string
- Array Pair Sum Divisibility Problem
- Min cut Square
- Steps by Knight
- Brackets in Matrix Chain Multiplication
- The Painter's Partition Problem
- Optimal Strategy For A Game
- Minimum Cost of ropes
- nCr
- Subset Sum Problem
- Number following a pattern
- Stock buy and sell
- Edit Distance
- Modular Exponentiation for large numbers
- Distinct Transformations
- Rotate a 2D array without using extra space
- Special Keyboard
- Egg Dropping Puzzle
- Form a palindrome
- Inversion of array
- Is Binary Number Multiple of 3
- Next Permutation
- Maximum Index
- X Total Shapes
- Total Decoding Messages
- Find Missing And Repeating

- Nodes at given distance in binary tree
- Fixing Two nodes of a BST
- Binary Tree to DLL
- Allocate minimum number of pages
- Count the subarrays having product less than k
- Minimum sum partition
- Merge Without Extra Space
- Find sum of different corresponding bits for all pairs
- Ugly Numbers
- Path of greater than equal to k length
- Assignment Problem
- Minimum Cost Path
- Longest valid Parentheses