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DSA.json
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DSA.json
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[
{
"id": "1",
"topic": "DSA_array",
"question": "Find pair with given sum in the array",
"answerLink": "https://www.techiedelight.com/find-pair-with-given-sum-array/"
},
{
"id": "2",
"topic": "Data Structures",
"question": " What are Data Structures?",
"answerLink": "https://www.geeksforgeeks.org/data-structures/"
},
{
"id": "3",
"topic": "Data Structures",
"question": "What are some applications of Data structures?",
"answerLink": "https://www.interviewbit.com/data-structure-interview-questions/#applications-of-data-structures"
},
{
"id": "12601",
"topic": "Data Structures",
"question": "Detect a Cycle in Directed Graph?",
"answerLink": "https://youtu.be/iTBaI90lpDQ"
},
{
"id": "4",
"topic": "Data Structures",
"question": "What is shell sort?",
"answerLink": "https://www.tutorialspoint.com/data_structures_algorithms/data_structures_algorithms_interview_questions.htm"
},
{
"id": "5",
"topic": "DSA_array",
"question": "Find the smallest window in an array sorting which will make the entire array sorted?",
"answerLink": "https://www.techiedelight.com/smallest-window-sorting-which-make-array-sorted/"
},
{
"id": "6",
"topic": "Data Structures",
"question": "What is the prefix and post fix notation of (a + b) * (c + d) ?",
"answerLink": "https://www.tutorialspoint.com/data_structures_algorithms/data_structures_algorithms_interview_questions.htm"
},
{
"id": "7",
"topic": "Recursion",
"question": "Swapping pairs make sum equal",
"answerLink": "https://www.geeksforgeeks.org/find-a-pair-swapping-which-makes-sum-of-two-arrays-same/"
},
{
"id": "147",
"topic": "DSA - Stacks",
"question": "Implement a queue using instances of stack data structure and operations on them",
"answerLink": "https://www.geeksforgeeks.org/queue-using-stacks/"
},
{
"id": "102",
"topic": "DSA_LinkedList",
"question": "Delete N nodes after M nodes of a linked list",
"answer": "https://www.geeksforgeeks.org/delete-n-nodes-after-m-nodes-of-a-linked-list/"
},
{
"id": "5",
"topic": "DSA_array",
"question": "Maximum Product Subarray Problem",
"answerLink": "https://www.techiedelight.com/find-maximum-product-subarray-given-array"
},
{
"id": "6",
"topic": "DSA_array",
"question": "Move all negative elements to end in order with extra space allowed",
"answerLink": "https://www.geeksforgeeks.org/move-ve-elements-end-order-extra-space-allowed/"
},
{
"id": "7611",
"topic": "DSA_Tree",
"question": "Count the leaf node of a tree",
"answerLink": "https://www.geeksforgeeks.org/write-a-c-program-to-get-count-of-leaf-nodes-in-a-binary-tree/"
},
{
"id": "1250",
"topic": "Recursion",
"question": "Print all subsequences of a string",
"answerLink": "https://www.geeksforgeeks.org/print-subsequences-string/"
},
{
"id": "150",
"topic": "DSA_Linkedlist",
"question": "Reverse alternate K nodes in a Singly Linked List",
"answer": "https://www.geeksforgeeks.org/reverse-alternate-k-nodes-in-a-singly-linked-list/"
},
{
"id": "9",
"topic": "DSA_Linkedlist",
"question": "Merge A Linked List Into Another Linked List At Alternate Positions",
"answerLink": "https://www.geeksforgeeks.org/merge-a-linked-list-into-another-linked-list-at-alternate-positions/"
},
{
"id": "19",
"topic": "DSA_Array",
"question": "An element is called a peak element if its value is not smaller than the value of its adjacent elements(exists). Given an array arr[] of size N, Return the index of any one of its peak elements",
"answerLink": "https://practice.geeksforgeeks.org/problems/peak-element/1"
},
{
"id": "10",
"topic": "DSA Dynamic Programming",
"question": "Longest Common Subsequence",
"answerLink": "https://www.geeksforgeeks.org/longest-common-subsequence-dp-4/"
},
{
"id": "11",
"topic": "Data Structure",
"question": "How are the elements of a 2D array stored in the memory?",
"answerLink1": "https://www.simplilearn.com/data-structure-interview-questions-and-answers-article",
"answerLink": "https://eduladder.com/viewquestions/25264/How-are-the-elements-of-a-2D-array-are-stored-in-the-memory"
},
{
"id": "110",
"topic": "DSA",
"question": "Can Make Arithmetic Progression From Sequence.",
"answerLink": "https://twitter.com/Ranrovel8368/status/1574858074870857728"
},
{
"id": "12",
"topic": "DSA - Subarray",
"question": "Find maximum Product Subarray",
"answer_link": "https://www.techiedelight.com/?problem=MaximumProductSubarray"
},
{
"id": "13",
"topic": "DSA Dynamic Programming",
"question": "Longest Common Subsequence",
"answerLink": "https://www.geeksforgeeks.org/longest-common-subsequence-dp-4/"
},
{
"id": "14",
"topic": "c++",
"question": "what is concept of c++ (Polymorphism, inheritance, etc.",
"answerLink": "https://www.tutorialspoint.com/cplusplus/cpp_object_oriented.htm"
},
{
"id": "100",
"topic": "DSA",
"question": "Lets review",
"answerLink": "https://twitter.com/Ranrovel8368/status/1575824974740213760"
},
{
"id": "15",
"topic": "DSA Array",
"question": "Sort array of 0s,1s and 2s in a single scan (Visiting each element once).",
"answerLink": "https://www.geeksforgeeks.org/sort-an-array-of-0s-1s-and-2s/"
},
{
"id": "16",
"topic": "Data structure",
"question": "what are 2 main types of data structure",
"answerLink": "https://www.integralist.co.uk/posts/data-types-and-data-structures/"
},
{
"id": "15",
"topic": "DSA Linear Data Structure",
"question": "What is linear data structure?",
"answerLink": "https://www.tutorialspoint.com/data_structures_algorithms/data_structures_algorithms_interview_questions.htm"
},
{
"id": "99",
"topic": "DSA_advantages and disadvantages",
"question": "what are the advantages and Disadvantages of DSA",
"answerLink": "https://cdnpractice.geeksforgeeks.org/problems/what-are-advantage-and-disadvantage-of-data-structure-and-its-practical-use"
},
{
"id": "98",
"topic": "SQL",
"question": "what is SQL",
"answerLink": "https://www.w3schools.com/sql/"
},
{
"id": "2406",
"topic": "Data Structure-sorting techniques",
"question": "What are the differnt sorting algorithms in DSA",
"answerLink": "https://www.tutorialspoint.com/data_structures_algorithms/sorting_algorithms.htm"
},
{
"id": "48",
"topic": "DSA_Linkedlist",
"question": "Merge A Linked List Into Another Linked List At Alternate Positions",
"answerLink": "https://www.geeksforgeeks.org/merge-a-linked-list-into-another-linked-list-at-alternate-positions/"
},
{
"id": "4245",
"topic": "DSA interview",
"question": "What are some examples of dynamic programming algorithms?",
"answerLink": "The below given problems find their solution using divide and conquer algorithm approach -Fibonacci number series,Knapsack problem,Tower of Hanoi'All pair shortest path by Floyd-Warshall"
},
{
"id": "39",
"topic": "Cumulative Sum",
"question": "The cumulative sum of an array at index i is defined as the sum of all elements of the array from index 0 to index i",
"answerLink": "https://workat.tech/problem-solving/practice/cumulative-sum"
},
{
"id": "49",
"topic": "Merge k Sorted Lists",
"question": "https://leetcode.com/problems/merge-k-sorted-lists/",
"answerLink": "https://www.geeksforgeeks.org/merge-k-sorted-linked-lists/"
},
{
"id": "07",
"topic": "DSA - Array",
"question": "How linked list diffrent from array",
"answer_link": "hhttps://prepinsta.com/interview-preparation/technical-interview-questions/dsa-interview-questions-and-answers-for-freshers/"
},
{
"topic": "Data Structure",
"question": "How is Data Structure helpful",
"answerLink": "http://www.mygreatlearning.com"
},
{
"id": "123",
"topic": "DSA",
"question": "What is doubly linked list",
"answerLink": "https://www.tutorialspoint.com/data_structures_algorithms/doubly_linked_list_algorithm.htm"
},
{
"id": "1236",
"topic": "sorting in DSA",
"question": "what is sorting in data structures and algorithms",
"answerLink": "https://www.geeksforgeeks.org/sorting-algorithms/"
},
{
"id": "57",
"topic": "Data Structure",
"question": "What is Data Strucure?",
"answerLink": "https://www.geeksforgeeks.org/data-structures/"
},
{
"id": "118",
"topic": "sorting in DSA",
"question": "Merge sort ",
"answerLink": "https://www.geeksforgeeks.org/merge-sort-for-linked-list/"
},
{
"id": "119",
"topic": "DSA",
"question": "why dsa is important",
"answerLink": "https://www.programiz.com/dsa/why-algorithms#:~:text=Data%20structures%20and%20algorithms%20(DSA,the%20best%20of%20various%20choices."
},
{
"id": "3241",
"topic": "DSA_array",
"question": "Find pair with given sum in the array",
"answerLink": "https://www.techiedelight.com/find-pair-with-given-sum-array/"
},
{
"id": "22667",
"topic": "DSA Binary Trees",
"question": "Level Order Binary Tree Traversal",
"answerLink": "https://www.geeksforgeeks.org/level-order-tree-traversal/"
},
{
"id": "34",
"topic": "linked list",
"question": "https://practice.geeksforgeeks.org/problems/reverse-a-linked-list/1?page=1&category[]=Linked%20List&sortBy=submissions",
"answerLink": "https://www.youtube.com/watch?v=iRtLEoL-r-g"
},
{
"id": "652",
"topic": "DSA linked list",
"question": "what is singly linked list in data structure algorithm",
"answerLink": "https://www.javatpoint.com/insertion-in-singly-linked-list-at-beginning"
},
{
"id": "70",
"topic": "DSA",
"question": "Find all distinct combinations of a given length ",
"answerLink": "https://www.techiedelight.com/find-distinct-combinations-of-given-length/"
},
{
"id": "71",
"topic": "DSA - Binary Tree",
"question": "Find the Maximum Depth or Height of given Binary Tree",
"answerLink": "https://www.geeksforgeeks.org/write-a-c-program-to-find-the-maximum-depth-or-height-of-a-tree/amp/"
},
{
"id": "12003",
"topic": "DSA",
"question": "What is singly linked list",
"answerLink": "https://www.educative.io/answers/what-is-a-singly-linked-list"
},
{
"id": "72",
"topic": "DSA - Binary search",
"question": "coins and triangle",
"answerLink": "https://www.codechef.com/submit/TRICOIN?tab=solution/"
},
{
"id": "123",
"topic": "DSA_Binary Tree",
"question": "Find the Minimum Depth or Height of given Binary Tree",
"answerLink": "https://leetcode.com/problems/minimum-depth-of-binary-tree/"
},
{
"id": "508",
"topic": "DSA_array",
"question": "Minimum Product Subarray Problem",
"answerLink": "https://www.geeksforgeeks.org/maximum-product-subarray/"
},
{
"id": "7896",
"topic": "DSA - Binary Tree",
"question": "Find the Maximum Depth or Height of given Binary Tree",
"answerLink": "https://www.geeksforgeeks.org/write-a-c-program-to-find-the-maximum-depth-or-height-of-a-tree/amp/"
},
{
"id": "1250",
"topic": "DSA_Linkedlist",
"question": "Reverse alternate K nodes in a Linked List",
"answer": "https://www.techiedelight.com/reverse-alternate-group-k-nodes-linked-list/"
},
{
"id": "77",
"topic": "DSA - Binary Tree",
"question": "inorder traversal of binary tree",
"answerLink": "https://www.geeksforgeeks.org/tree-traversals-inorder-preorder-and-postorder/amp/"
},
{
"id": "1731",
"topic": "DSA",
"question": "What is linked list",
"answerLink": "https://www.tutorialspoint.com/data_structures_algorithms/linked_lists_algorithm.htm"
},
{
"id": "2540",
"topic": "DSA-Queue",
"question": "What is queue structure in DSA with their types",
"answer": "tutorialspoint.com/data_structures_algorithms/Queue_structure.htm"
},
{
"id": "2000",
"topic": "DSA-Stack",
"question": "Why stack is called LIFO",
"answer": "https://www.quora.com/Why-is-the-stack-data-structure-known-as-LIFO"
},
{
"id": "2001",
"topic": "DSA- Graph",
"question": "What is Graph",
"answer": "https://www.geeksforgeeks.org/graph-data-structure-and-algorithms/"
},
{
"id": "2002",
"topic": "DSA_STRING",
"question": "Find reverse of a string",
"answerLink": "https://www.javatpoint.com/program-to-find-reverse-of-a-string/"
},
{
"id": "2802",
"topic": "DSA_SORTING",
"question": "sorting using merge sort",
"answerLink": "https://www.geeksforgeeks.org/merge-sort/"
},
{
"id ": " 2803",
" topic ": " DSA_Algorithm",
"question": "When is a binary search best applied?",
" answerlink ": " https://www.google.com/amp/s/career.guru99.com/top-50-data-structure-interview-questions/amp/"
},
{
"id": "17",
"topic": "Data structures",
"question": "How different from the array is the Linked List?",
"answerLink": "https://www.monsterindia.com/"
},
{
"id": "203",
"topic": "DSA - Strings",
"question": "Minimum characters to be added at front to make string palindrome",
"answer_link": "https://www.geeksforgeeks.org/minimum-characters-added-front-make-string-palindrome/"
},
{
"id": "233",
"topic": "DSA - Backtracking",
"question": "Hamiltonian Circuit Problem : How to traverse a graph in such a way that each node is visited only once and returns at it's source.",
"answerLink": "https://www.javatpoint.com/hamiltonian-circuit-problems"
},
{
"id": "201",
"topic": "DSA - Red Black Trees",
"question": "Complete Explanation and Implementation of RBT",
"answer_link": "https://www.happycoders.eu/algorithms/red-black-tree-java/"
},
{
"id": "2004",
"topic": "DSA-Array",
"question": "What is Prefix Sum Array",
"answerLink": "https://www.geeksforgeeks.org/prefix-sum-array-implementation-applications-competitive-programming/"
},
{
"id": "324",
"topic": "DSA-Queue",
"question": "Reversing a queue using recursion",
"answerLink": "https://www.geeksforgeeks.org/reversing-queue-using-recursion/"
},
{
"id": "2005",
"topic": "Sorting Algorithms",
"question": "Time Complexities of all Sorting Algorithms",
"answerLink": "https://www.geeksforgeeks.org/time-complexities-of-all-sorting-algorithms/"
},
{
"id": "2005",
"topic": "DSA-Stack",
"question": "Check for Balanced Brackets in an expression",
"answerLink": "https://www.geeksforgeeks.org/check-for-balanced-parentheses-in-an-expression/"
},
{
"id": "101",
"topic": "DSA-Interview",
"question": "Rain water trapping problem",
"answerLink": "https://leetcode.com/submissions/detail/769324619/"
},
{
"id": "150",
"topic": "DSA-Strings",
"question": "Check whether two Strings are anagram of each other",
"answerLink": "https://www.geeksforgeeks.org/check-whether-two-strings-are-anagram-of-each-other/"
},
{
"id": "911",
"topic": "DSA-Trees",
"question": "Construct a complete binary tree from its linked list representation",
"answerLink": "https://www.codingninjas.com/codestudio/library/construct-a-complete-binary-tree-from-its-linked-list-representation"
},
{
"id": "200",
"topic": "DSA - Array",
"question": "Missing number in array",
"answer_link": "https://practice.geeksforgeeks.org/problems/missing-number-in-array/0"
},
{
"id": "1",
"topic": "DSA - Array",
"question": "Count the triplets",
"answer_link": "https://practice.geeksforgeeks.org/problems/count-the-triplets4615/1"
},
{
"id":"388",
"topic":"DSA - Iterative DFS",
"question":"Iterative Depth First Traversal of Graph",
"answer_link":"https://www.geeksforgeeks.org/iterative-depth-first-traversal/"
},
{
"id":"389",
"topic":"DSA - Array",
"question":"3Sum",
"answer_link":"https://www.techiedelight.com/?id=87v3"
},
{
"id" : "390",
"topic" : "DSA - Tree",
"question" : "Add One Row to Tree",
"answer_link" : "https://leetcode.com/problems/add-one-row-to-tree/submissions/815879905/"
},
{
"id":"391",
"topic":"DSA- Two Pointer",
"question":"3Sum Closest",
"answer_link":"https://leetcode.com/Luv_4929//"
},
{
"id":"391",
"topic":"DSA- Spiral Matrix",
"question":"Print the elements of the matrix in spiral order",
"answer_link":"https://leetcode.com/problems/spiral-matrix/discuss/20599/Super-Simple-and-Easy-to-Understand-Solution"
},
{
"id":"392",
"topic":"DSA - Array",
"question":"Find the largest number possible from a given set of numbers",
"answer_link":"https://www.techiedelight.com/find-largest-number-possible-set-given-numbers/"
},
{
"id":"392",
"topic":"DSA- Array",
"question":"Reverse the array",
"answer_link":"https://www.geeksforgeeks.org/write-a-program-to-reverse-an-array-or-string/"
} ,
{
"id":"393",
"topic":"DSA - Graph",
"question":"Is Graph Bipartite",
"answer_link":"https://leetcode.com/submissions/detail/772398686/"
},
{
"id": "30",
"topic": "DSA - Array",
"question": "https://leetcode.com/problems/two-sum/",
"answer_link": "https://leetcode.com/problems/two-sum/"
},
{
"id": "329",
"topic": "DSA - Dynamic Programming ",
"question": "Rod Cutting Problem",
"answer_link": "https://www.techiedelight.com/rod-cutting/"
},
{
"id": "9999",
"topic": "DSA - Dynamic Programming ",
"question": "Number of dice rolls with target sum",
"answer_link": "https://leetcode.com/problems/number-of-dice-rolls-with-target-sum/discuss/2651427/Java-Memoization-(Top-down)-or-Tabulation-(Bottom-Down)-Accepted!"
},
{
"id": "4477",
"topic": "DSA - LinkedList",
"question": "Palindrome LinkedList",
"answer_link": "https://rajritik200177.medium.com/palindrome-linkedlist-f4ada0733032"
},
{
"id": "203",
"topic": "DSA - Strings",
"question": "Minimum characters to be added at front to make string palindrome",
"answer_link": "https://www.geeksforgeeks.org/minimum-characters-added-front-make-string-palindrome/"},
{
"id": "201",
"topic": "DSA - Red Black Trees",
"question": "Complete Explanation and Implementation of RBT",
"answer_link": "https://www.happycoders.eu/algorithms/red-black-tree-java/"},
{
"id": "4478",
"topic": "DSA - Stack using SLL",
"question": "Implement stack operations using singly linkedlist in C",
"answer_link": "https://dev.to/suman373_30/stack-using-sll-for-beginners-400g"
},
{
"id": "4479",
"topic": "DSA - Inserting a node",
"question": "Inserting a node",
"answer_link": "https://www.geeksforgeeks.org/linked-list-set-2-inserting-a-node/"
},
{
"id": "1578",
"topic": "DSA - Greedy",
"question": "Minimum Time to Make Rope Colorful",
"answer_link": "https://leetcode.com/problems/minimum-time-to-make-rope-colorful/solution/"
},
{
"id": "97",
"topic": "DSA - Strings",
"question": "Interleaving String",
"answer_link": "https://dev.to/seanpgallivan/solution-interleaving-string-1497"
},
{
"id": "919",
"topic": "DSA - Depth first search",
"question": "Recover Binary Search Tree",
"answer_link": "https://leetcode.com/problems/recover-binary-search-tree/discuss/1962281/C%2B%2B-oror-Easy-to-understand"
},
{
"id": "133",
"topic": "DSA - Graph",
"question": "Clone Graph",
"answer_link": "https://www.geeksforgeeks.org/clone-an-undirected-graph/"
},
{
"id": "385",
"topic": "DSA - Graph",
"question": "Mini Parser",
"answer_link": "https://hjweds.gitbooks.io/leetcode/content/mini-parser.html"
},
{
"id": "386",
"topic": "DSA - Array",
"question": "SubArray Sum",
"answer_link": "https://www.geeksforgeeks.org/sum-of-all-subarrays/"
},
{
"id": "387",
"topic": "DSA - Sorting Array",
"question": "Merge Sort",
"answer_link": "https://simplesnippets.tech/merge-sort-algorithm-with-example-with-c-code-sorting-algorithms-data-structures/"
},
{
"id": "388",
"topic": "DSA - Iterative DFS",
"question": "Iterative Depth First Traversal of Graph",
"answer_link": "https://www.geeksforgeeks.org/iterative-depth-first-traversal/"
},
{
"id": "389",
"topic": "DSA - Array",
"question": "3Sum",
"answer_link": "https://www.techiedelight.com/?id=87v3"
},
{
"id": "390",
"topic": "DSA - Tree",
"question": "Add One Row to Tree",
"answer_link": "https://leetcode.com/problems/add-one-row-to-tree/submissions/815879905/"
},
{
"id": "391",
"topic": "DSA- Two Pointer",
"question": "3Sum Closest",
"answer_link": "https://leetcode.com/Luv_4929//"
},
{
"id": "392",
"topic": "DSA- Array",
"question": "Reverse the array",
"answer_link": "https://www.geeksforgeeks.org/write-a-program-to-reverse-an-array-or-string/"
},
{
"id": "393",
"topic": "DSA - Graph",
"question": "Is Graph Bipartite",
"answer_link": "https://leetcode.com/submissions/detail/772398686/"
},
{
"id": "394",
"topic": "DSA - Sliding Window",
"question": "Longest Substring Without Repeating Characters",
"answer_link": "https://leetcode.com/problems/longest-substring-without-repeating-characters/submissions/805368555/"
},
{
"id": "392",
"topic": "DSA - Array",
"question": "Subset sum equal to k",
"answer_link": " https://www.geeksforgeeks.org/subset-sum-problem-dp-25/ "
},
{
"id": "793",
"topic": "DSA - Array",
"question": "Bell Numbers (Number of ways to Partition a Set)",
"answer_link": "https://www.geeksforgeeks.org/bell-numbers-number-of-ways-to-partition-a-set/?ref=lbp"
},
{
"id" : "395",
"topic" : "closest prime",
"question" : "Help ishaan GFG",
"answer_link" : "https://practice.geeksforgeeks.org/problems/help-ishaan5837/1"
},
{
"id" : "392",
"topic" : "DSA - Array",
"question" : "Subset sum equal to k",
"answer_link" : " https://www.geeksforgeeks.org/subset-sum-problem-dp-25/ "
},
{
"id" : "395",
"topic" : "DSA - Sliding Window",
"question" : "Reverse Integer",
"answer_link" : "https://leetcode.com/problems/reverse-integer/submissions/778342803/"
},
{
"id" : "9461",
"topic" : "DSA - Strings",
"question" : "Break a palindrome solution",
"answer_link" : "https://leetcode.com/problems/break-a-palindrome/discuss/2685600/Break-a-palindrome-solution-or-JAVA"
},
{
"id":"393",
"topic":"DSA - Array and Binary Search",
"question":"Median of Two Sorted Arrays",
"answer_link":"https://leetcode.com/submissions/detail/810597802/"
},
{
"id" : "393",
"topic" : "DSA - Recurssion",
"question" : "Nth Fibbonaci Numbers",
"answer_link" : "https://www.geeksforgeeks.org/program-for-nth-fibonacci-number/"
},
{
"id" : "80",
"topic" : "DSA - Binary Tree",
"question" : "Left View of Binary Tree",
"answer_link" : "https://www.geeksforgeeks.org/print-left-view-binary-tree/"
},
{
"id" : "81",
"topic" : "DSA - Graph",
"question" : "Topological sort",
"answer_link" : "https://www.geeksforgeeks.org/topological-sorting/"
},
{
"id" : "82",
"topic" : "DSA - Dynamic Programming",
"question" : "0 - 1 Knapsack Problem",
"answer_link" : "https://www.geeksforgeeks.org/0-1-knapsack-problem-dp-10/"
},
{
"id":"395",
"topic":"DSA - MATRIX",
"question":"Matrix boundary Traversal",
"answer_link":"https://www.geeksforgeeks.org/boundary-elements-matrix/"
},
{
"id" : "396",
"topic" : "DSA - Stack",
"question" : "Tower of Hanoi",
"answer_link" : "https://www.geeksforgeeks.org/c-program-for-tower-of-hanoi/"
},
{
"id" : "390",
"topic" : "DSA - Stack",
"question" : "Subset sum equal to n",
"answer_link" : " https://www.forgeeks.org/subset-sum-problem-dp-25/ "
},
{
"id" : "202",
"topic" : " DSA -Expression Parsing",
"question" : "What is notation",
"answer_link" : " https://www.tutorialspoint.com/data_structures_algorithms/expression_parsing.htm "
},
{
"id" : "390",
"topic" : "DSA - Stack",
"question" : "Subset sum equal to n",
"answer_link" : " https://www.forgeeks.org/subset-sum-problem-dp-25/ "
},
{
"id" : "26",
"topic" : "DSA - Two Pointers",
"question" : "Remove Duplicates from Sorted Array",
"answer_link" : " https://leetcode.com/submissions/detail/797859252/ "
},
{
"id":"391",
"topic": "Dynamic Programming",
"question":"Given an integer numRows, return the first numRows of Pascal's triangle.",
"answer_link":"https://leetcode.com/submissions/detail/805009380/"
},
{
"id" : "401",
"topic" : "DSA - Graph And Union Find",
"question" : "Number of Islands",
"answer_link" : "https://discuss.geeksforgeeks.org/comment/4d325ce7b3404f094b9b7bd9b5129c33/"
},
{
"id" : "999",
"topic" : "Get to know about Algorithms",
"question" : "What is algorithm and why analysis of it is important",
"answer_link" : " https://www.geeksforgeeks.org/what-is-algorithm-and-why-analysis-of-it-is-important/ "
},
{
"topic" : "DSA - Sorting",
"question" : "Merge Intervals",
"answer_link" : " https://leetcode.com/submissions/detail/819350340/ "
},
{
"id" : "391",
"topic" : "DSA - Recursion",
"question" : "Lucky Numbers",
"answer_link" : " https://www.geeksforgeeks.org/lucky-numbers/ "
},
{
"id":"391",
"topic":"DSA - Array",
"question":"Given an array nums of distinct integers, return all the possible permutations. You can return the answer in any order.",
"answer_link":"https://leetcode.com/submissions/detail/806596139/"
},
{
"id" : "391",
"topic" : "DSA - HashMap",
"question" : "2 sum ",
"answer_link" : " https://leetcode.com/problems/two-sum/ "
},
{
"id" : "392",
"topic" : "DSA - Basic",
"question" : "Reverse Number",
"answer_link" : " https://leetcode.com/problems/reverse-integer/ "
},
{
"id" : "391",
"topic" : "DSA - Array",
"question" : "Fitting The Array",
"answer_link" : " https://practice.geeksforgeeks.org/problems/fitting-the-array1514/1 "
},
{
"id":"396",
"topic":"DSA - Stack in STL",
"question" : "Solving Stack Using Push & Pop",
"answer_link":"https://www.geeksforgeeks.org/stack-push-and-pop-in-c-stl/"
},
{
"id":"397",
"topic":"prefix-postfix-conversion",
"question" : "Prefix: An expression is called the prefix expression if the operator appears in the expression before the operands. Simply of the form (operator operand1 operand2). ",
"answer_link":"https://www.geeksforgeeks.org/prefix-postfix-conversion/"
},
{
"id":"398",
"topic":"Garbage Collection",
"question" : "Garbage collection (GC) is a dynamic technique for memory management and heap allocation that examines and identifies dead memory blocks before reallocating storage for reuse ",
"answer_link":"https://www.javatpoint.com/garbage-collection-in-data-structure"
},
{
"id": "501",
"topic": "Data Structures",
"question": "Alice and Marks",
"answerLink": "https://www.codechef.com/viewsolution/74868773"
},
{
"id" : "28",
"topic" : "DSA - Bitmanipulation",
"question" : "Count Set Bits",
"answer_link" : "https://ide.codingblocks.com/s/675470 "
},
{
"id": "396",
"topic": "DSA_BinarySearchTree",
"question": "Check if two BSTs contain same set of elements",
"answerLink": "https://www.geeksforgeeks.org/check-two-bsts-contain-set-elements/"
},
{
"id": "397",
"topic": "DSA_String",
"question": "Count and Say",
"answerLink": "https://leetcode.com/submissions/detail/824987631/"
},
{
"id": "369",
"topic": "Dynamic Programming",
"question": "Max length chain",
"answerLink": "https://practice.geeksforgeeks.org/problems/max-length-chain/1"
},
{
"id": "370",
"topic": "Dynamic Programming",
"question": "Longest Common Subsequence Problem",
"answerLink": "https://www.techiedelight.com/longest-common-subsequence/"
},
{
"id": "371",
"topic": "Stack and Queues",
"question": " What are stacks and queues?",
"answerLink": "https://igotanoffer.com/blogs/tech/stacks-and-queues-interview-questions#basics"
},
{
"id": "372",
"topic": "Huffman Coding Compression Algorithm",
"question": " What are Huffman Coding Compression Algorithm?",
"answerLink": "https://www.techiedelight.com/greedy-algorithm-problems/#:~:text=Following%20are%20commonly%20asked%20greedy%20algorithm%20problems%20in,work%20on%20a%20single%20activity%20at%20a%20time."
},
{
"id": "502",
"topic": "DSA - Subarray",
"question": "Find maximum Product Subarray",
"answer_link": "https://www.techiedelight.com/?problem=MaximumProductSubarray"
},
{
"id": "503",
"topic": "Data Structures",
"question": "What operations can be performed on Queues?",
"answerLink": "https://www.tutorialspoint.com/data_structures_algorithms/data_structures_algorithms_interview_questions.htm"
},
{
"id": "502",
"topic": "DSA - Subarray",
"question": "Find maximum Product Subarray",
"answer_link": "https://www.techiedelight.com/?problem=MaximumProductSubarray"
},
{
"id": "622",
"topic": "DSA -Inplace rotate square matrix by 90 degrees",
"question": "rotate a matrix by 90 deg. ",
"answer_link": "https://www.geeksforgeeks.org/inplace-rotate-square-matrix-by-90-degrees/"
},
{
"id": "101010",
"topic": "DSA - Array",
"question": "Largest Perimeter Triangle",
"answer_link": "https://leetcode.com/problems/largest-perimeter-triangle/"
},
{
"id": "101011",
"topic": "DSA - Linked List",
"question": "Delete the Middle Node of a Linked List",
"answer_link": "https://leetcode.com/problems/delete-the-middle-node-of-a-linked-list/discuss/2667842/Easy-C%2B%2B-Code"
},
{
"id": "101012",
"topic": "DSA - Dynamic Programming",
"question": "Unique Paths",
"answer_link": "https://leetcode.com/problems/unique-paths/discuss/2703979/Easy-C%2B%2B-Code-oror-Runtime-%3A-0-ms-faster-than-100-oror-With-Explanations-By-comments-in-Code"
},
{
"id": "1010",
"topic": "All DSA Chapters",
"question": "All Important DSA questions for cracking product based companies",
"answerLink": "https://takeuforward.org/strivers-a2z-dsa-course/strivers-a2z-dsa-course-sheet-2/"
},
{
"id": "313",
"topic": "Djikstra's Algorithm",
"question": "Important Theoretical Questions on Djikstra's Algorithm",
"answerlink": "https://drive.google.com/file/d/1H0NHCf23flo9EtU7ckkFdPPpAKXLy5Pw/view?usp=sharing"
},
{
"id": "1011",
"topic": "Data Structure and Algorithms Interview Questions",
"question": "How do you find the largest and smallest number in an unsorted integer array?",
"answerLink": "https://www.java67.com/2014/02/how-to-find-largest-and-smallest-number-array-in-java.html"