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Striver SDE Sheet

Striver SDE Sheet contains very handily crafted and picked top coding interview questions from different topics of Data Structures & Algorithms. These questions are one of the most asked coding interview questions in coding interviews of companies like Google, Amazon, Microsoft, Facebook, Swiggy, Flipkart, etc, and cover almost all of the concepts related to Data Structure & Algorithms.\n\nNote : Due to legal and compliance requirements of TakeUForward (TUF), Codolio has updated the links to mirror the latest official TUF sheets. We made sure that your progress and notes remain fully intact , only the external links are updated

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Overall Progress
Set Matrix Zeroes
Pascal's Triangle
Next Permutation
Maximum Subarray
Sort an array of 0's, 1's and 2's
Best Time to Buy and Sell Stock
Rotate Image
Merge Intervals
Merge two sorted arrays without extra space
Find the Duplicate Number
Repeat and Missing Number Array
Inversion of Array (Pre-req: Merge Sort)
Search a 2D Matrix
Pow(x, n)
Majority Element (>n/2 times)
Majority Element (n/3 times)
Unique Paths
Reverse Pairs (Leetcode)
Two Sum
4-Sum Problem
Longest Consecutive Sequence
Largest Subarray with K sum
Count number of subarrays with given xor K
Longest Substring Without Repeating Characters
Reverse Linked List
Middle of the Linked List
Merge Two Sorted Lists
Remove Nth Node From End of List
Add Two Numbers
Delete a given Node when a node is given.(0(1) solution)
Find intersection point of Y LinkedList
Linked List Cycle
Reverse Nodes in k-Group
Check if a LinkedList is palindrome or not.
Find the starting point of the Loop of LinkedList
Flattening of a LinkedList
Rotate a LinkedList
Copy List with Random Pointer
3Sum
Trapping Rain Water
Remove Duplicate from Sorted array
Max consecutive ones
N meetings in one room
Minimum number of platforms required for a railway
Maximum profit in Job scheduling
Fractional Knapsack Problem
Greedy algorithm to find minimum number of coins
Assign Cookies
Subset Sums
Subsets II
Combination Sum
Combination Sum II
Palindrome Partitioning
K-th permutation Sequence
Permutations
N-Queens
Sudoko Solver
M Coloring Problem
Rat in a Maze
Matrix Median
Find the element that appears once in a sorted array, and the rest element appears twice (Binary search)
Search in Rotated Sorted Array
Median of Two Sorted Arrays
K-th element of two sorted arrays
Allocate Minimum Number of Pages
AGGRCOW
The N-th root of an integer
Kth Largest Element in an Array
Maximum Sum Combination
Find Median from Data Stream
Top K Frequent Elements
Max heap, Min Heap Implementation (Only for interviews)
Merge K sorted arrays
Implement Stack using Arrays
Implement Queue using Arrays
Implement Stack using Queues
Implement Queue using Stack (0(1) amortized method)
Valid Parentheses
Next Greater Element
Sort a Stack
Next Smaller Element
LRU Cache
LFU cache
Largest Rectangle in Histogram
Sliding Window Maximum
Min Stack
Rotting Oranges
Online Stock Span
Find the maximum of minimums of every window size
Word Break
Reverse Words in a String
Longest Palindromic Substring
Roman Number to Integer and vice versa
Implement ATOI/STRSTR
Longest Common Prefix
Rabin Karp
Minimum characters needed to be inserted in the beginning to make it palindromic
Valid Anagram
Count and Say
Compare version numbers
KMP algo / LPS(pi) array
KMP algo / LPS(pi) array
Morris Inorder Traversal
Preorder Traversal
Postorder Traversal
Morris Inorder Traversal
LeftView Of Binary Tree
Bottom View of Binary Tree
Top View of Binary Tree
Vertical order traversal
Root to Node Path in Binary Tree
Max width of a Binary Tree
Morris Preorder Traversal
Preorder inorder postorder in a single traversal
Binary Tree Level Order Traversal
Maximum Depth of Binary Tree
Diameter of Binary Tree
Balanced Binary Tree
Lowest Common Ancestor of a Binary Tree
Same Tree
Zig Zag Traversal of Binary Tree
Boundary Traversal of Binary Tree
Binary Tree Maximum Path Sum
Construct Binary Tree from Preorder and Inorder Traversal
Construct Binary Tree from Inorder and Postorder
Symmetric Binary Tree
Binary Tree to Double Linked List
Check if Binary Tree is the mirror of itself or not
Check for Children Sum Property
Populate Next Right pointers of Tree
Search in a Binary Search Tree
Construct BST from given keys
Construct a BST from a preorder traversal
Validate Binary Search Tree
Lowest Common Ancestor of a Binary Search Tree
Find the inorder predecessor/successor of a given Key in BST.
Kth Smallest Element in a BST
Find K-th largest element in BST
Find a pair with a given sum in BST
BST iterator
Size of the largest BST in a Binary Tree
Serialize and Deserialize Binary Tree
Ceil in a BST
Ceil in a BST
Binary Tree to Double Linked List
Find Median from Data Stream
Kth Largest Element in a Stream
Distinct numbers in Window.
Kth Largest Element in an Array
Flood Fill
Clone Graph
BFS
BFS
Course Schedule
Course Schedule
Course Schedule
Course Schedule
Topological Sort DFS
Topological Sort DFS
Number of Islands
Bipartite Check using DFS
Bipartite Check using DFS
Strongly Connected Component(using KosaRajuΓÇÖs algo)
DijkstraΓÇÖs Algorithm
Bellman-Ford Algo
Floyd Warshall Algorithm
MST using KruskalΓÇÖs Algo
MST using KruskalΓÇÖs Algo
Maximum Product Subarray
Longest Increasing Subsequence
Longest Common Subsequence
Edit Distance
Maximum sum increasing subsequence
Matrix Chain Multiplication
0-1 Knapsack
Minimum sum path in the matrix, (count paths and similar type do, also backtrack to find the Minimum path)
Coin Change
Partition Equal Subset Sum
Rod Cutting
Egg Dropping
Word Break
Palindrome Partitioning (MCM Variation)
Maximum profit in Job scheduling
Word Break
Implement Trie (Prefix Tree)
Implement Trie - 2 (Prefix Tree)
Longest String with All Prefixes
Number of Distinct Substrings in a String
Power Set (this is very important)
Maximum XOR of two numbers in an array
Maximum XOR With an Element From Array