- Height of Binary Tree
- Finding middle element in a linked list
- Implement Queue using Linked List
- Square root
- Print all possible strings
- Replace all 0's with 5
- Convert to Roman No
- Implement strstr
- Implement Atoi
- Anagram of String
- Binary String
- k largest elements
- Binary String
- Pythagorean Triplet
- Nth Fibonacci Number
- Majority Element
- Count possible triangles
- Dice throw
- Rotate Array
- Permutations of a given string
- Missing number in array
- Array of alternate +ve and -ve no.s
- Maximum product of two numbers
- Number of paths
- Count total set bits
- Bit Difference
- Greater on right side
- Immediate Smaller Element
- Count zero
- Intersection of two arrays
- Convert array into Zig-Zag fashion
- Remove character
- Number of occurrence
- Maximum repeating number
- k largest elements
- Student record
- Pairs of prime number
- Minimum difference pair
- Maximum money
- Ways To Tile A Floor
- Generate Binary Numbers
- Find the Odd Occurence
- Angle between hour and minute hand
- Keypad typing
- Check if given four points form a square
- Minimize string value
- Rotate by 90 degree
- Reverse each word in a given string
- Check if a number can be expressed as x^y
- Type of array
- Check if string is rotated by two places
- Unique Numbers
- Find first set bit
- Geek and Coffee Shop
- Index of first 1 in a sorted array of 0’s and 1’s
- Extract Maximum
- Uncommon characters
- Check set bits
- Twice counter
- Count triplets with sum smaller than X
- Total number of Strings
- Find the Highest number
- Anagram Palindrome
- First and last occurrences of X
- Positive and negative elements
- Part Sort
- Left Rotate Matrix K times
- Find k-th character in string
- How Many X's?

Name

PRIYESH KUMAR

Rank in Institute

#1

Courses Attended

Campus Ambassador

Overall Coding Score: 1073

Monthly Coding Score: 0

Weekly Coding Score: 0

- Reverse a linked list
- Delete N nodes after M nodes of 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
- Add 1 to a number represented as linked list
- Linked List in Zig-Zag fashion
- Detect Loop in linked list
- Sorted insert for circular linked list
- 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
- Nth node from end of linked list
- Left View of Binary Tree
- Delete Middle of Linked List
- Merge two sorted linked lists
- Sum Tree
- Transform to Sum Tree
- Intersection of two sorted Linked lists
- Find Transition Point
- Queue using two Stacks
- 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
- Binary Heap Operations
- Max sum path in two arrays
- Run Length Encoding
- 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
- Remove duplicates in small prime array
- Odd even level difference
- Binary Tree to BST
- Find nth element of spiral matrix
- Max sum in the configuration
- Equilibrium index of an array
- Unique rows in boolean matrix
- Leaf at same level
- Subtraction in Linked List
- Match specific pattern
- Multiply two linked lists
- Distinct occurrences
- Sorted subsequence of size 3
- Josephus problem
- Expression Tree
- Check if Linked List is Palindrome
- Generate Grey Code Sequences
- Kth largest element in BST
- Find duplicates in an array
- Count distinct elements in every window
- Max Level Sum in Binary Tree
- Special Stack
- Root to leaf paths sum
- Sort a stack
- String Modification
- Longest consecutive sequence in Binary tree
- Print Common Nodes in BST
- Level order traversal
- Peak element
- Inorder Successor in BST
- Delete nodes greater than k
- Index Of an Extra Element
- Merge Sort for Linked List
- Union of Two Linked Lists
- Intersection of Two Linked Lists
- Insert in a Sorted List
- Ancestors in Binary Tree
- Root to Leaf Paths
- Maximum path sum
- XOR Linked List
- Counting elements in two arrays
- Linked List that is Sorted Alternatingly
- Full binary tree
- Modify Linked List-1
- Symmetric Tree
- Construct Tree from Inorder & Preorder
- Merge Lists Alternatingly
- Arrange Consonants and Vowels
- Vertical sum
- Check if Tree is Isomorphic
- Maximum Node Level
- Children Sum Parent
- Diagonal Sum In Binary Tree
- Find length of Loop
- Remove Half Nodes
- Height of Spiral Tree
- Sum of Left Leaf Nodes
- Check if two Nodes are Cousins
- ZigZag Tree Traversal
- Min Heap implementation
- Reverse words in a given string
- Smallest window in a string containing all the characters of another string
- Anagram
- Wave Array
- Rotation
- Search in a Rotated Array
- Palindrome numbers
- Subarray with least average
- Magic Number
- Maximize Number of 1's
- Non Repeating Character
- Sum of Middle Elements of two sorted arrays
- Count Occurences of Anagrams
- Reverse words in a given string
- Count Substrings
- Move all zeroes to end of array
- Remove all duplicates from a given string
- Remove “b” and “ac” from a given string
- Spirally traversing a matrix
- Sort an array of 0s, 1s and 2s
- Two numbers with sum closest to zero
- Finding Number
- Maximum value in a bitonic array
- Next greater number set digits
- Finding Position
- Next sparse binary number
- Amount of Water
- Single Number
- Segregate even and odd nodes in a Linked List
- Does robot moves circular
- Element that appears once where every element occurs twice
- Longest Distinct characters in string
- Count distinct pairs with difference k
- Replace by X
- Is Square
- Column name from a given column number
- N meetings in one room
- Remove minimum elements
- Kth distance
- Addition of submatrix
- Maximum sum increasing subsequence
- Array to BST
- Facing the sun
- Max Sum without Adjacents
- Key Pair
- Product array puzzle
- Reverse Bits
- Reach the Nth point
- Subarray with given sum
- Count number of hops
- Equal to product
- Save Knights
- Triplet Sum in Array
- Three Great Candidates
- K closest elements
- Minimum element in a sorted and rotated array
- Search in a matrix
- Faithful Numbers
- Number of 1's in smallest repunits
- Count the Zeros
- 0 - 1 Knapsack Problem
- Valid Substring
- Right most non zero digit
- Extract the Number from the String
- Cutted Segments
- Maximum average subarray
- Power of Numbers
- Final Destination
- Permutation with Spaces
- Element appearing once
- Equilibrium point
- Floor in a Sorted Array
- Buildings receiving sunlight
- Max value
- Flip Bits
- Finding the numbers
- Minimum Energy
- Knapsack with Duplicate Items
- Let's Play!!!
- Decode the pattern
- Longest K unique characters substring
- Roman Number to Integer
- Next Greater Even Number
- Gold Mine Problem
- Game of XOR
- Equal point in a string of brackets
- Find all pairs with a given sum
- Shortest distance in infinite tree
- Numbers with same first and last digit
- Find the string in grid
- Longest Palindromic Subsequence
- Evaluation of Postfix Expression
- Fill array with 1's
- Element with left side smaller and right side greater
- Two numbers with odd occurrences
- Game with String
- Four Elements
- Subarray with 0 sum
- Nth catalan number
- Count number of words
- Group Anagrams Together
- Sum equals to Sum
- Find Pair Given Difference
- Count the elements
- Second most repeated string in a sequence
- Count all possible paths from top left to bottom right
- Number of Groups
- Swapping pairs make sum equal
- Decode It
- Closest Strings
- Ways to sum to N
- Longest Repeating Subsequence
- Stickler Thief
- Bell Numbers
- Even and odd elements at even and odd positions
- Sum of Lengths of Non-Overlapping SubArrays
- Chocolate Station
- Common Subsequence
- Star elements
- Sum of two large numbers
- Prime number of set bits
- Pairs with Positive Negative values
- Word with maximum frequency
- Check if array contains contiguous integers with duplicates allowed
- Common Divisor
- Save Ironman

- Given a linked list, reverse alternate nodes and append at the end
- Reverse a Linked List in groups of given size.
- 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
- Clone a linked list with next and random pointer
- Diagonal Traversal of Binary Tree
- Delete a node from BST
- Min distance between two given nodes of a Binary Tree
- Maximum difference between node and its ancestor
- The Celebrity Problem
- Topological sort
- Print a Binary Tree in Vertical Order
- Merge K sorted linked lists
- Find the number of islands
- Get minimum element from stack
- Serialize and Deserialize a Binary Tree
- Circular tour
- Wildcard Pattern Matching
- Make Binary Tree From Linked List
- Check if subtree
- Extreme nodes in alternate order
- Kth element in Matrix
- Clone a Binary Tree
- Remove loop in Linked List
- Max length chain
- Minimum Spanning Tree
- LRU Cache
- Box Stacking
- Rat in a Maze Problem
- Find the Closest Element in BST
- Delete keys in a Linked list
- Merge two BST 's
- Merge k Sorted Arrays
- Top View of Binary Tree
- k-th smallest element in BST
- Binary Tree to CDLL
- Find a pair with given target in BST
- Occurences of 2 as a digit
- Leftmost and rightmost nodes of binary tree
- Leaves to DLL
- Construct Tree from Preorder Traversal
- Swap Kth nodes from ends
- Unique BST's
- Unit Area of largest region of 1's
- Longest consecutive subsequence
- Count ways to N'th Stair(Order does not matter)
- Coin Change
- Kadane's Algorithm
- Find Missing And Repeating
- Excel Sheet | Part - 1
- Maximum Sub Array
- Print Diagonally
- 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
- Edit Distance
- Maximum Rectangular Area in a Histogram
- Path in Matrix
- Trapping Rain Water
- Subset Sum Problem
- Number of Coins
- Number following a pattern
- Stock buy and sell
- Largest Number formed from an Array
- Longest Palindrome in a String
- Relative Sorting
- Maximum of all subarrays of size k
- Largest square formed in a matrix
- Row with max 1s
- Boolean Matrix Problem
- Nuts and Bolts Problem
- Rotate a 2D array without using extra space
- Special Keyboard
- Number of ways
- Minimum Cost of ropes
- Sum of Query II
- Form a palindrome
- Preorder to Postorder
- Length of the longest substring
- Longest consecutive subsequence
- Stock span problem
- Handshakes
- Palindromic Array
- Unique partitions
- Possible groups
- Max possible amount
- Maximum Profit
- Next larger element
- X Total Shapes
- Unique BST's
- Combination Sum - Part 2
- Word Break
- Longest Prefix Suffix
- Kth smallest element
- Longest Common Substring
- Count Palindrome Sub-Strings of a String
- Snake and Ladder Problem
- Trie | (Insert and Search)
- Knight Walk
- Find all four sum numbers
- Is Sudoku Valid
- Find whether path exist
- Unit Area of largest region of 1's
- Rearrange characters
- Count subsequences of type a^i b^j c^k
- 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
- Infix to Postfix
- Maximum sum Rectangle
- Maximum Intervals Overlap
- Perfect Sum Problem
- Array Pair Sum Divisibility Problem
- Rotten Oranges
- Steps by Knight
- Row with minimum number of 1's
- Maximum Tip Calculator
- Optimal Strategy For A Game

Published Count(1)