**Top 100 DSA Interview Question**\nCheck if pair with the given Sum exists in Array\nBest Time to Buy and Sell Stock\nFind duplicates\nProduct of Array Except Self\nMaximum Subarray\nMaximum Product Subarray\nFind Minimum in Rotated Sorted Array\nSearch in Rotated Sorted Array\n3 Sum\nContainer With Most Water\nFind the Factorial of a large number\nTrapping Rain Water\nChocolate Distribution Problem\nInsert Interval\nMerge Intervals\nNon-overlapping Intervals\nSet Matrix Zeroes\nSpiral Matrix\nProgram to find the transpose of a matrix\nWord Search\nLongest Substring Without Repeating Characters\nLongest Repeating Character Replacement\nSmallest window in a String containing all characters of other String\nCheck whether two Strings are anagram of each other\nprint all anagrams together\nCheck if given Parentheses expression is balanced or not\nSentence Palindrome\nLongest Palindromic Substring\nPalindromic Substrings\nLongest Common Prefix\nReverse a Linked List\nDetect Cycle in a Linked List\nMerge Two Sorted Lists\nMerge K Sorted Lists\nRemove Nth Node From End Of List\nReorder List\nAdd 1 to a number represented as linked list\nFind the middle of a given linked list\nDelete last occurrence of an item from linked list\nConvert Infix expression to Postfix expression\nNext Greater Element\nDelete middle element of a stack\nCheck mirror in n-ary tree\nThe Celebrity Problem\nLength of the longest valid substring\nPrint Right View of a Binary Tree\nFind the first circular tour that visits all petrol pumps\nMaximum Depth of Binary Tree\nCheck if two trees have same structure\nInvert/Flip Binary Tree\nBinary Tree Maximum Path Sum\nBinary Tree Level Order Traversal\nSerialize and Deserialize Binary Tree\nSubtree of Another Tree\nConstruct Binary Tree from Preorder and Inorder Traversal\nValidate Binary Search Tree\nKth Smallest Element in a BST\nLowest Common Ancestor of BST\nImplement Trie (Prefix Tree)\nAdd and Search Word\nTop K Frequent Elements\nFind Median from Data Stream\nLargest triplet product in a stream\nConnect n ropes with minimum cost\nClone Graph\nCourse Schedule\nPacific Atlantic Water Flow\nNumber of Islands\nLongest Consecutive Sequence\nSnake and Ladder Problem\nDetect Cycle in a Directed Graph\nBridges in a graph\nCheck whether a given graph is Bipartite or not\nFind size of the largest region in Boolean Matrix\nFlood fill Algorithm\nStrongly Connected Components\nTopological Sorting\nCount ways to reach the n\u2019th stair\nCoin Change\n0/1 Knapsack Problem\nLongest Increasing Subsequence\nLongest Common Subsequence\nWord Break Problem\nDice Throw\nEgg Dropping Puzzle\nMatrix Chain Multiplication\nCombination Sum\nSubset Sum Problem\nFind maximum possible stolen value from houses\nCount Possible Decodings of a given Digit Sequence\nUnique paths in a Grid with Obstacles\nJump Game\nCutting a Rod\nMaximum Product Cutting\nCount number of ways to cover a distance\nNumber of 1 Bits\nCounting Bits\nMissing Number\nReverse Bits\nFind XOR of all subsets of a set\n

Top 100 DSA Interview Question\nCheck if pair with the given Sum exists in Array\nBest Time to Buy and Sell Stock\nFind duplicates\nProduct of Array Except Self