24*7 Innovation Labs

20 posts

C++ Program For Flattening A Linked List

Last Updated: 23 July 2025

Given a linked list where every node represents a linked list and contains two pointers of its type:Pointer to next node in the main list (we call it 'right' pointer in th...read more

Java Program For Flattening A Linked List

Last Updated: 23 July 2025

Given a linked list where every node represents a linked list and contains two pointers of its type:Pointer to next node in the main list (we call it 'right' pointer in th...read more

Python Program For Flattening A Linked List

Last Updated: 23 July 2025

Given a linked list where every node represents a linked list and contains two pointers of its type:Pointer to next node in the main list (we call it 'right' pointer in th...read more

Javascript Program For Flattening A Linked List

Last Updated: 23 July 2025

Given a linked list where every node represents a linked list and contains two pointers of its type:Pointer to next node in the main list (we call it the 'right' pointer i...read more

Javascript Program for Largest Sum Contiguous Subarray

Last Updated: 23 July 2025

Write an efficient program to find the sum of contiguous subarray within a one-dimensional array of numbers that has the largest sum.Kadane's Algorithm:Initialize: max_...read more

C++ Program For Union And Intersection Of Two Linked Lists

Last Updated: 23 July 2025

Write a C++ program for a given two Linked Lists, create union and intersection lists that contain union and intersection of the elements present in the given lists. The o...read more

Java Program For Union And Intersection Of Two Linked Lists

Last Updated: 23 July 2025

Write a java program for a given two Linked Lists, create union and intersection lists that contain union and intersection of the elements present in the given lists. The ...read more

C Program For Union And Intersection Of Two Linked Lists

Last Updated: 23 July 2025

Write a C program for a given two Linked Lists, create union and intersection lists that contain union and intersection of the elements present in the given lists. The ord...read more

Intersection of two Linked List

Last Updated: 19 April 2026

Given two singly distinct linked lists, create a new linked list that contains the intersection of elements present in both lists. Note: The order of nodes in this list sh...read more

Union and Intersection of two Linked List using Merge Sort

Last Updated: 23 July 2025

Given two singly Linked Lists, create union and intersection lists that contain the union and intersection of the elements present in the given lists. Each of the two list...read more

[24]7 Innovation Labs Interview Experience | Set 4 (Off-Campus)

Last Updated: 23 July 2025

Round 1(Telephonic) Explained about company JD Snake and Ladder game (matrix, array, linked list) Find the row with maximum 1s where every row of sorted 0s and 1s ( ht...read more

Interview Experiences

24*7 Innovation Labs

[24]7 Innovation Labs Interview Experience | Set 3 (On-Campus)

Last Updated: 21 August 2025

Round 1 : (Duration:1 hr)Written test consisting of MCQs in aptitude, data structures and analytical thinking. 3 coding questions were also asked of us, from 5 problems. S...read more

Interview Experiences

24*7 Innovation Labs

Experiences

[24]7 Innovation Labs Interview Experience | Set 2

Last Updated: 19 July 2015

Telephonic Discussion:1) Basic Java Questions about Strings.2) Sorting linked list of 0 and 1 and make separate linked list for both (further modified it to make separate ...read more

Interview Experiences

24*7 Innovation Labs

Experiences

[24]7 Innovation Labs Interview Experience

Last Updated: 23 July 2025

I had an interview with 24*7 innovation labs. Their process is telephonic followed by 3 f2f interviews.Round-1 Telephonic1) Stack reversal in place2) How Hashmap worksI wa...read more

Interview Experiences

24*7 Innovation Labs

Experiences

Heap Sort

Last Updated: 05 February 2026

Heap Sort is a comparison-based sorting algorithm based on the Binary Heap data structure.It is an optimized version of selection sort.The algorithm repeatedly finds the m...read more

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