- Magical Number
- Preorder Traversal
- Finding middle element in a linked list
- Search an Element in an array
- Binary String
- Consecutive elements
- GCD of Array
- Power of 2
- Series GP
- Celsius to Fahrenheit Conversion
- Pythagorean Triplet
- Majority Element
- Count total set bits
- Greater on right side
- Convert array into Zig-Zag fashion
- Find position of set bit
- Maximum money
- Set Bits
- Longest Consecutive 1's
- Sum of Consecutives
- Pairs with given XOR
- Juggler Sequence
- Elements before which no element is bigger
- Minimize the sum of product
- String with numbers at its end
- Check if string is rotated by two places
- Thief trying to escape
- Minimal Summing Up
- Print K smallest elements in their original order
- Sum of all sub-sequences of a number
- Jay's Apples
- Riya's Test
- Number Series

Name

Nishant Chaudhary

Rank in Institute

#38

Other Profile Link

Overall Coding Score: 832

Monthly Coding Score: 0

Weekly Coding Score: 0

- Check if Linked List is Palindrome
- Leaf at same level
- Remove duplicate element from sorted Linked List
- Level order traversal in spiral form
- Reverse Level Order Traversal
- DFS of Graph
- BFS of graph
- Lowest Common Ancestor in a Binary Tree
- Determine if Two Trees are Identical
- Root to leaf path sum
- 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
- Find Maximum value
- Minimum Depth of a Binary Tree
- Odd even level difference
- Is Binary Tree Heap
- Remove every k'th node
- Max distance between same elements
- 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
- Linked List in Zig-Zag fashion
- Detect Loop in linked list
- Inorder Successor in BST
- Remove duplicates from an unsorted linked list
- Level order traversal
- Print Common Nodes in BST
- Kth largest element in BST
- Longest Consecutive Subsequence
- Nth node from end of linked list
- Left View of Binary Tree
- Delete Middle of Linked List
- Intersection of two sorted Linked lists
- Anagram
- Adding One
- Number of Unique Paths
- Wave Array
- Maximum Gap
- Pattern Searching
- Rotation
- Search in a Rotated Array
- Palindrome numbers
- Magic Number
- Maximize Toys
- Large Factorial
- Trailing zeroes in factorial
- Maximize Number of 1's
- Non Repeating Character
- a^b(Set 2)
- Minimum number of Coins
- Count Odd Factors
- Reverse words in a given string
- Move all zeroes to end of array
- Remove “b” and “ac” from a given string
- Sort an array of 0s, 1s and 2s
- Pairs with difference k
- Two numbers with sum closest to zero
- Maximum value in a bitonic array
- Single Number
- Count increasing Subarrays
- Element that appears once where every element occurs twice
- Longest Distinct characters in string
- Remove Duplicates
- Sum of two numbers represented as arrays
- Max Sum without Adjacents
- Key Pair
- Maximum Difference
- Product array puzzle
- Count Smaller elements
- Subarray with given sum
- Pair in array whose sum is closest to X
- Swap all odd and even bits
- Count pairs with given sum
- Triplet Sum in Array
- Three Great Candidates
- Minimum element in a sorted and rotated array
- Count the Zeros
- Distinct absolute array elements
- 0 - 1 Knapsack Problem
- Maximum Number of 1s
- Pallindrome Patterns
- Lexicographically previous permutation
- Maximum average subarray
- Count digits in a factorial
- Count number of substrings
- Largest number with given sum
- Non Fibonacci Number
- The Nth Fibonnaci
- Element appearing once
- Equilibrium point
- Floor in a Sorted Array
- Buildings receiving sunlight
- Maximize Dot Product
- Max value
- Flip Bits
- Finding the numbers
- Sort by Set Bit Count
- Minimum Energy
- Count Increasing Subsequences
- Left or Right Positioned Array
- Maximize sum after K negations
- Max and Min Products
- LCS with permutations
- Max Length Removal
- Min Number of Flips
- Find Maximum Sum Strictly Increasing Subarray
- Largest Even Number
- Count Pairs in an Array
- Find (a^b)%m
- Circular Prime Number
- Min sum formed by digits
- Min Subsets with Consecutive Numbers
- Move all negative elements to end
- String Manipulation
- Maximum 0’s between two immediate 1’s
- Find smallest values of x and y such that ax – by = 0
- Maximum difference of zeros and ones in binary string
- Extra Perfect Numbers
- Rope Cutting
- Multiply by 11
- Count pairs Sum in matrices
- Nikit's Problem

- Max length chain
- k-th smallest element in BST
- Smallest range in K lists
- Sum of permutations
- Polynomial Addition
- Number of root to leaf paths
- Kth element in Matrix
- Range Minimum Query
- Delete without head pointer
- 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
- Bottom View of Binary Tree
- Extreme nodes in alternate order
- Intersection Point in Y Shapped Linked Lists
- Connect Nodes at Same Level
- Diagonal Traversal of Binary Tree
- Min distance between two given nodes of a Binary Tree
- Given a linked list, reverse alternate nodes and append at the end
- Print a Binary Tree in Vertical Order
- Find the number of islands
- Circular tour
- Make Binary Tree From Linked List
- Coin Change
- Kadane's Algorithm
- Find Missing And Repeating
- Sum Of Prime
- Maximum Sub Array
- Print Diagonally
- Overlapping Intervals
- Maximum Index
- Equal Sum
- Next Permutation
- Longest Increasing Subsequence
- Parenthesis Checker
- Longest Common Subsequence
- Minimum number of jumps
- Count ways to N'th Stair(Order does not matter)
- Edit Distance
- Maximum Rectangular Area in a Histogram
- Min Coin
- Consecutive 1's not allowed
- Count of Subarrays
- Path in Matrix
- Trapping Rain Water
- String formation from substring
- Case-specific Sorting of Strings
- Sum of bit differences
- Maximize The Array
- Factorials of large numbers
- Number of Coins
- Number following a pattern
- Find Prime numbers in a range
- Largest Number formed from an Array
- Possible words from Phone digits
- 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
- Nuts and Bolts Problem
- Rotate a 2D array without using extra space
- Dyck Path
- Minimum Cost of ropes
- Form a palindrome
- Inversion of array
- Maximum length Bitonic Subarray
- Length of the longest substring
- Smallest number on left
- Longest consecutive subsequence
- Convert an array to reduced form
- Palindromic Array
- Is Binary Number Multiple of 3
- Preorder Traversal and BST
- Search Pattern
- Longest Arithmetic Progression
- Palindromic Strings
- Bleak Numbers
- Satisfy the equation
- Maximum Profit
- Circle of strings
- Special Matrix
- Next larger element
- LCM Triplet
- Taking 1 out of 3 consecutives
- Total Decoding Messages
- Unique BST's
- Distinct Transformations
- Subsets
- Longest Prefix Suffix
- Kth smallest element
- Sum of Subarrays
- Maximum calorie
- Longest Common Substring
- Count Palindrome Sub-Strings of a String
- Find patterns
- Check if a string is repetition of its substring of k-length
- Smallest window in a string containing all the characters of another string
- Smallest distinct window
- Number of subarrays with maximum values in given range
- Longest Sub-Array with Sum K
- The Tiny Miny
- Geek and Strings
- Construct binary palindrome by repeated appending and trimming

- Alien Dictionary
- Binary Tree to DLL
- Reorder List
- QuickSort on Doubly Linked List
- Minimum sum partition
- Maximum of minimum for every window size
- Head to Tail ordering
- Merge Without Extra Space
- Find sum of different corresponding bits for all pairs
- Return two prime numbers
- Path of greater than equal to k length
- Longest valid Parentheses
- Closest Palindrome

Published Count(14)

- Check if array contains contiguous integers with duplicates allowed
- Kronecker Product
- Even Decimal Binary String
- Maximum height of the staircase
- Palindrome in both Decimal and Binary
- Maximize permutations
- Sum of XOR of all pairs
- Making elements distinct
- String Conversion
- Counts Zeros Xor Pairs
- Count pairs Sum in matrices
- Closest Palindrome
- LCS of '0' K Repeated String
- count special palindromic