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NCR Corporation
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C++, Python, C
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320 points
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SCHOOL (1)
BASIC (16)
EASY (89)
MEDIUM (110)
HARD (9)
- Longest Even Length Substring
- Rotate a Linked List
- Detect Loop in linked list
- Insert in Sorted Circular Linked List
- Bottom View of Binary Tree
- Diameter of a Binary Tree
- Tree Boundary Traversal
- Directed Graph Cycle
- Undirected Graph Cycle
- Absolute List Sorting
- Max sum path in two arrays
- The Celebrity Problem
- Largest subarray with 0 sum
- Topological sort
- Vertical Tree Traversal
- Find the number of islands
- Max sum in the configuration
- Get Min from Stack
- Gas Station
- Remove loop in Linked List
- Dijkstra Algorithm
- Minimum Spanning Tree
- Multiply two strings
- Implement Atoi
- Maximum Difference
- Palindrome Linked List
- Bipartite Graph
- Top View of Binary Tree
- Vertical sum
- Deletion and Reverse in Circular Linked List
- Rearrange Array Alternately
- Rearrange an array with O(1) extra space
- Maximum Index
- Stock buy and sell
- Kadane's Algorithm
- Smallest Positive missing number
- Indexes of Subarray Sum
- Triplet Sum in Array
- Merge Without Extra Space
- Distance of nearest cell having 1
- Subarrays with equal 1s and 0s
- Longest Consecutive Subsequence
- Case-specific Sorting of Strings
- Stock span problem
- Next Greater Element
- K Sized Subarray Maximum
- Kth smallest element
- Job Sequencing Problem
- Minimum Platforms
- M-Coloring Problem
- Stickler Thief
- Ways to Reach the n'th Stair
- Egg Dropping Puzzle
- Minimum number of jumps
- Longest Increasing Subsequence
- Longest Common Subsequence
- Equal Sum Partition
- Zero Sum Subarrays
- Rotten Oranges
- Maximize The Cut Segments
- Container With Most Water
- Overlapping Intervals
- Closest Three Sum
- Word Break
- Prerequisite Tasks
- Excel Sheet | Part - 1
- Maximum Index
- Equal Sum
- Sum of bit differences
- Max Score from Subarray Mins
- Maximum Product Subarray
- Substrings with K Distinct
- Maximum distinct elements after removing K elements
- Count the Reversals
- Length of the longest substring
- Longest Common Substring
- Smallest distinct window
- Longest substring with distinct characters
- Longest Palindrome in a String
- LCS of three strings
- Maximum difference of zeros and ones in binary string
- First and Last Occurrences
- Permutations of a String
- Number following a pattern
- Subsequence matching
- Friends Pairing Problem
- Unique Number II
- Largest prime factor
- Max Sum Increasing Subsequence
- Coin Change (Count Ways)
- Sieve of Eratosthenes
- Gold Mine Problem
- Longest subsequence-1
- Count ways to N'th Stair(Order does not matter)
- nCr
- Maximum path sum in matrix
- Subset Sums
- Choose and Swap
- Sum of Query II
- Find the Safe Position
- Next Permutation
- Longest Repeating Subsequence
- Replace O's with X's
- Flood fill Algorithm
- Recursively Remove Adjacent Duplicates
- Subarrays with sum K
- Number of Distinct Islands
- Eventual Safe States
- Shortest Path in Undirected Graph
- Shortest path in Directed Acyclic Graph
- Sahil loves gfg
- Sahil love good scorer
- M and N
- Gadgets of Doraland
- Reverse a linked list
- Frequency in a Linked List
- Node at a given index in linked list
- Linked list of strings forms a palindrome
- Split a Linked List into two halves
- Check for BST
- Right View of Binary Tree
- Mirror Tree
- Delete without head pointer
- Height of Binary Tree
- Balanced Tree Check
- Kth from End of Linked List
- Check If Circular Linked List
- Left View of Binary Tree
- Queue using two Stacks
- Remove Duplicates from a Sorted Linked List
- Level Order in spiral form
- DFS of Graph
- BFS of graph
- Identical Trees
- Square Root
- Lowest Common Ancestor in a BST
- Largest subarray of 0's and 1's
- Remove Duplicates Sorted Array
- Convert to Roman No
- Josephus problem
- Three way partitioning
- Level order traversal
- More than n/k Occurrences
- Find the Sum of Last N nodes of the Linked List
- Find length of Loop
- Linked List Matrix
- Maximum Pairwise Computed Value
- Move all zeros to the front of the linked list
- Rotate doubly Linked List
- Deque Implementations
- Min Heap implementation
- Max and Second Max
- Power of 2
- Array Leaders
- Anagram
- String Rotated by 2 Places
- Reverse Words
- Panagram Checking
- Parenthesis Checker
- N meetings in one room
- Count ways to N'th Stair
- Count number of hops
- First Repeating Element
- Missing in Array
- Roman Number to Integer
- Search an element in sorted and rotated array
- Find Kth Rotation
- Pairs with certain difference
- Sorted and Rotated Minimum
- Minimize the sum of product
- String Manipulation
- Chocolate Distribution Problem
- Count the triplets
- Bitonic Point
- Largest Even Number
- Convert array into Zig-Zag fashion
- Second most repeated string in a sequence
- Longest Common Prefix of Strings
- Min Number of Flips
- Maximum number of characters between any two same character
- Element with left side smaller and right side greater
- Length of longest subarray
- Pair with given sum in a sorted array
- Shop in Candy Store
- Minimum changes to make all substrings distinct
- Minimal moves to form a string
- Karatsuba Algorithm
- Minimum Operations
- Number of 1 Bits
- Maximum Sum Problem
- Shortest path from 1 to n
- Reach the Nth point
- Minimum number of Coins
- Adjacents are not allowed
- Maximize Toys
- Largest number possible
- Trailing zeroes in factorial
- Jump over Array - 1
- String Operations
- Count Linked List Nodes
- Size of Binary Tree
- Count Leaves in Binary Tree
- Postorder Traversal
- Replace all 0's with 5
- First Occurence
- Sum Except First and Last
- Palindromic Array
- Peak element
- Minimum element in BST
- Circular Linked List Traversal
- Binary String
- Check for subsequence
- Last index of One
- Ways To Tile A Floor
- Pairs of prime number
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