DSA Questions

Design Questions

How to Design a Rate Limiter API Design Snake Game LRU Cache Design a parking Database Design...

DSA Questions

Problems Practice Combinational Sum Try it Majority Element Try it Print all leaf nodes of a Binary Tree from left to right Try it Stock Span Try it Find the k most frequent words from a file Try it Group Anagrams Try it Count All Palindromic Subsequences in a given String Try it Length of the longest substring without repeating characters Try it Count Odd and Even numbers in a range from L to R Try it  Count of substrings of length K with exactly K distinct characters Try it of two Sorted Arrays of Different Sizes Try it Check if pair with the given Sum exists in Array (Two Sum) Try it  Check if a number is Palindrome Try it Design and Implement a Special Stack Data Structure Try it  Count all possible N-length vowel permutations that can be generated based on the given conditions Try it  Replace O’s with X’s Try it Place rotate square matrix by 90 degrees  Try it Rotate the matrix right by K times Try it  Longest Consecutive Subsequence Try it Get the minimum element from the stack Try it  Check if Linked List is Palindrome Try it  Level Order Traversal Try it  Union and Intersection of two sorted arrays Try it  Top View of Binary Tree Try it  Check if a given Binary Tree is a Sum Tree Try it   Trapping Rain Water  Try it Maximum Rectangular Area in a Histogram Try it Alien Dictionary Try it  N-Queen Problem Try it  Circle of strings Try it  Articulation Point  Try it  Largest Sum Cycle Try it  Word Ladder Try it  Palindrome Pairs Try it Burst Balloons Try it  Split Array Largest Sum Try it  Find the maximum subset XOR of a given set Try it Number of subsets with products less than k Try it  Subtraction in Linked List Try it  Reverse a sublist of a linked list Try it  Wildcard string matching Try it  Critical Connections Try it  Implementing Dijkstra Algorithm Try it  Minimum number of jumps Try it Detect cycle in a directed graph Try it  Row with max 1s Try it  Find the number of islands Try it  Binary Tree to DLL Try it  Flood fill Algorithm Try it...