- Size of Binary Tree
- Inorder Traversal
- Count Leaves in Binary Tree
- Height of Binary Tree
- Finding middle element in a linked list
- Circular Linked List
- Implement Stack using Linked List
- Implement Queue using Linked List
- Binary Search
- Replace all 0's with 5
- Implement Atoi
- Linked List Insertion
- longest substring containing '1'
- Binary String
- GCD of Array
- Power of 2
- Pythagorean Triplet
- Sieve of Eratosthenes
- Missing number in array
- Number of paths
- Count total set bits
- Number is sparse or not
- Bit Difference
- Convert array into Zig-Zag fashion
- Reverse array in groups
- Longest Consecutive 1's
- Minimize the sum of product
- Find first and last occurrence of x
- Check if string is rotated by two places
- Find first set bit
- Check for subsequence
- Find first repeated character
- Does array represent Heap
- Find the element that appears once in sorted array
- Last index of One
- First element to occur k times
- Check whether K-th bit is set or not
- Uncommon characters
- Rotate Bits
- Rightmost different bit
- Set kth bit
- Toggle bits given range
- Print first n Fibonacci Numbers
- Check if strings are rotations of each other or not

Name

M KOTESHWAR RAO

Institution

Rank in Institute

#2

Courses Attended

Other Profile Link

Overall Coding Score: 1219

Monthly Coding Score: 0

Weekly Coding Score: 0

- Reverse a linked list
- Delete N nodes after M nodes of a linked list
- Rotate a Linked List
- Pairwise swap elements of a linked list
- Given a linked list of 0s, 1s and 2s, sort it.
- Add two numbers represented by linked lists
- Rearrange a linked list
- Merge 2 sorted linked list in reverse order
- Detect Loop in linked list
- Remove duplicates from an unsorted linked list
- Sorted insert for circular linked list
- Split a Circular Linked List into two halves
- Merge Sort
- Quick Sort
- Right View of Binary Tree
- K distance from root
- Mirror Tree
- Two Mirror Trees
- Maximum Width of Tree
- Diameter of Binary Tree
- Check for Balanced Tree
- Heap Sort
- Nth node from end of linked list
- Left View of Binary Tree
- Delete Middle of Linked List
- Merge two sorted linked lists
- Sum Tree
- Decimal Equivalent of Binary Linked List
- Transform to Sum Tree
- Intersection of two sorted Linked lists
- Queue using two Stacks
- Remove duplicate element from sorted Linked List
- Stack using two queues
- Level order traversal in spiral form
- Reverse Level Order Traversal
- DFS of Graph
- Reverse alternate levels of a perfect binary tree
- Insert a node in a BST
- BFS of graph
- Lowest Common Ancestor in a Binary Tree
- Determine if Two Trees are Identical
- Root to leaf path sum
- Print all nodes that don't have sibling
- Absolute List Sorting
- Lowest Common Ancestor in a BST
- Largest subarray of 0's and 1's
- Level order traversal Line by Line
- Print BST elements in given range
- Largest subarray with 0 sum
- Minimum Depth of a Binary Tree
- Odd even level difference
- Binary Tree to BST
- K-Palindrome
- Find nth element of spiral matrix
- Unique rows in boolean matrix
- Multiply two linked lists
- Josephus problem
- Expression Tree
- Check if Linked List is Palindrome
- Generate Grey Code Sequences
- Check whether BST contains Dead End
- Kth largest element in BST
- Count distinct elements in every window
- Max Level Sum in Binary Tree
- Root to leaf paths sum
- String Modification
- Longest consecutive sequence in Binary tree
- Print Common Nodes in BST
- Level order traversal
- Inorder Successor in BST
- Delete nodes greater than k
- Merge Sort for Linked List
- Convert Ternary Expression to Binary Tree
- Union of Two Linked Lists
- Intersection of Two Linked Lists
- Sum of leaf nodes in BST
- Maximum path sum
- XOR Linked List
- Linked List that is Sorted Alternatingly
- Modify Linked List-1
- Symmetric Tree
- Construct Tree from Inorder & Preorder
- Huffman Decoding-1
- Predecessor and Successor
- Maximum Node Level
- Find length of Loop
- Deletion and Reverse in Linked List
- Leaf under budget
- Linked List Matrix
- Height of Spiral Tree
- Sum of Right Leaf Nodes
- Sum of Leaf Nodes at Min Level
- Anagram
- Wave Array
- Pattern Searching
- Squares in N*N Chessboard
- Maximize Toys
- Non Repeating Character
- Minimum number of Coins
- Reverse words in a given string
- Count Substrings
- Remove all duplicates from a given string
- Activity Selection
- Remove “b” and “ac” from a given string
- Spirally traversing a matrix
- Sort an array of 0s, 1s and 2s
- Finding Position
- Amount of Water
- Segregate even and odd nodes in a Linked List
- Longest Distinct characters in string
- N meetings in one room
- Remove Duplicates
- Maximum sum increasing subsequence
- Reach the Nth point
- Subarray with given sum
- Adjacents are not allowed
- Leaders in an array
- Swap all odd and even bits
- Count number of hops
- Inorder Traversal and BST
- Possible paths
- Search in a matrix
- Number of subsets and mean
- Shop in Candy Store
- Largest number possible
- 0 - 1 Knapsack Problem
- Tom and Jerry
- Cutted Segments
- Number that are not divisible
- Min Number of Flips
- Min sum formed by digits
- Chocolate Distribution Problem
- Exit Point in a Matrix
- Knapsack with Duplicate Items
- Flood fill Algorithm
- Roman Number to Integer
- Maximum no of 1's row
- Gold Mine Problem
- Smallest subarray with sum greater than x
- Minimum Operations
- Find all pairs with a given sum
- Check if frequencies can be equal
- Shortest distance in infinite tree
- Largest zigzag sequence
- Temple Offerings
- Matrix Game - 1
- Find the string in grid
- Longest Palindromic Subsequence
- K-th element of two sorted Arrays
- Evaluation of Postfix Expression
- Element with left side smaller and right side greater
- Array Subset of another array
- Count the paths
- Group Anagrams Together
- Carry counter
- Second most repeated string in a sequence
- Count all possible paths from top left to bottom right
- Shortest Common Supersequence
- Rearrange a string
- Primes sum
- Swapping pairs make sum equal
- Minimum number of deletions and insertions.
- Longest alternating subsequence
- Ways to sum to N
- Count of strings that can be formed using a, b and c under given constraints
- Minimum indexed character
- Longest Repeating Subsequence
- Stickler Thief
- Primitive Typing
- Common Subsequence
- Min Manipulations to make Strings Anagram
- Sum of two large numbers
- Numbers containing 1, 2 and 3
- Maximum height of the staircase
- Longest substring with equal number of 0s and 1s
- Print Bracket Number
- Cutting Binary String
- Save Ironman

- Reverse a Linked List in groups of given size.
- Delete nodes having greater value on right
- Count BST nodes that lie in a given range
- Check for BST
- Tree from Postorder and Inorder
- Bottom View of Binary Tree
- Delete without head pointer
- Intersection Point in Y Shapped Linked Lists
- Add all greater values to every node in a BST
- Construct Binary Tree from Parent Array
- Connect Nodes at Same Level
- Flattening a Linked List
- Diagonal Traversal of Binary Tree
- Delete a node from BST
- Detect cycle in a directed graph
- Detect cycle in an undirected graph
- Min distance between two given nodes of a Binary Tree
- Maximum difference between node and its ancestor
- Topological sort
- Print a Binary Tree in Vertical Order
- Find the number of islands
- Get minimum element from stack
- Serialize and Deserialize a Binary Tree
- Circular tour
- Wildcard Pattern Matching
- Max rectangle
- Make Binary Tree From Linked List
- Generate IP Addresses
- Check if subtree
- Extreme nodes in alternate order
- Kth element in Matrix
- Clone a Binary Tree
- Remove loop in Linked List
- Implementing Dijkstra | Set 1 (Adjacency Matrix)
- Max length chain
- Minimum Spanning Tree
- Largest BST
- Interleaved Strings
- LRU Cache
- Box Stacking
- Minimum Swaps to Sort
- Strongly Connected Components (Kosaraju's Algo)
- Rat in a Maze Problem
- Find the Closest Element in BST
- Pots of Gold Game
- Delete keys in a Linked list
- Merge two BST 's
- Merge k Sorted Arrays
- Length of longest palindrome in linked list
- Print Nodes having K leaves
- Duplicate subtree in Binary Tree
- Top View of Binary Tree
- k-th smallest element in BST
- Find a pair with given target in BST
- Leftmost and rightmost nodes of binary tree
- Pairs violating BST property
- Leaves to DLL
- Largest Independent Set Problem
- Construct Tree from Preorder Traversal
- Count Number of SubTrees having given Sum
- Coin Change
- Kadane's Algorithm
- Find Missing And Repeating
- Overlapping Intervals
- Maximum Index
- Next Permutation
- Longest Increasing Subsequence
- Parenthesis Checker
- Longest Common Subsequence
- Minimum number of jumps
- Count ways to reach the n'th stair
- Count ways to N'th Stair(Order does not matter)
- Egg Dropping Puzzle
- Count of n digit numbers whose sum of digits equals to given sum
- Edit Distance
- nCr
- Maximum Rectangular Area in a Histogram
- Consecutive 1's not allowed
- Longest Even Length Substring
- Path in Matrix
- Trapping Rain Water
- String formation from substring
- Subset Sum Problem
- Maximize The Array
- Factorials of large numbers
- Number of Coins
- Find Prime numbers in a range
- Stock buy and sell
- Largest Number formed from an Array
- Number of paths in a matrix with k coins
- Longest Palindrome in a String
- Rearrange an array with O(1) extra space
- Concatenation of Zig-Zag String in ‘n’ Rows
- Relative Sorting
- Maximum of all subarrays of size k
- Largest square formed in a matrix
- Sorting Elements of an Array by Frequency
- Design a tiny URL or URL shortener
- Nuts and Bolts Problem
- Special Keyboard
- Number of ways
- Minimum Cost of ropes
- Sum of Query II
- Form a palindrome
- Inversion of array
- Length of the longest substring
- Longest consecutive subsequence
- Largest subsquare surrounded by ‘X’
- Subsequence matching
- Palindromic Array
- Betting game
- Preorder Traversal and BST
- Longest Arithmetic Progression
- Max possible amount
- Digit multiplier
- Circle of strings
- Minimize the heights
- Next larger element
- Total Decoding Messages
- Unique BST's
- Combination Sum - Part 2
- Word Break
- Longest Prefix Suffix
- Kth smallest element
- Divisible by 8
- Transform String
- Longest Common Substring
- Count Palindrome Sub-Strings of a String
- Snake and Ladder Problem
- Recursively remove all adjacent duplicates
- Shortest Source to Destination Path
- Trie | (Insert and Search)
- Replace O's with X's
- Knight Walk
- Word Boggle
- Max absolute difference
- Print leaf nodes from preorder traversal of BST
- Is Sudoku Valid
- Find whether path exist
- Unit Area of largest region of 1's
- Rearrange characters
- First non-repeating character in a stream
- Count subsequences of type a^i b^j c^k
- Stepping Numbers
- K
^{th}largest element in a stream - Water Overflow
- Zero Sum Subarrays
- Smallest window in a string containing all the characters of another string
- Smallest distinct window
- Minimum number of steps to reach a given number.
- Floyd Warshall
- Huffman Encoding
- Nearly Sorted Algorithm
- Infix to Postfix
- Largest Sum Subarray of Size at least K
- Longest Bitonic subsequence
- Mobile numeric keypad
- Maximum Intervals Overlap
- Word Wrap
- Perfect Sum Problem
- Array Pair Sum Divisibility Problem
- Job Sequencing Problem
- Page Faults in LRU
- Rotten Oranges
- Modify array to maximize sum of adjacent differences
- Two water Jug problem
- CamelCase Pattern Matching
- Longest Common Prefix in an Array
- Steps by Knight
- Longest common substring value of two numbers
- Brackets in Matrix Chain Multiplication
- Matrix Chain Multiplication
- Sum-string
- Maximum Tip Calculator
- The Painter's Partition Problem

- QuickSort on Doubly Linked List
- Reorder List
- Binary Tree to DLL
- Alien Dictionary
- Fixing Two nodes of a BST
- Minimum sum partition
- Return two prime numbers
- Allocate minimum number of pages
- Boolean Parenthesization
- Minimum Cost Path
- N-Queen Problem
- Solve the Sudoku
- Find median in a stream
- Distinct palindromic substrings
- Longest Zig-Zag Sub Sequence
- Similar expressions
- Convert to Strictly increasing array
- Phone directory
- Numbers with one absolute difference
- Count the subarrays having product less than k