Moonfrog Labs

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C++ Program For Pairwise Swapping Elements Of A Given Linked List

Last Updated: 17 August 2023

Given a singly linked list, write a function to swap elements pairwise.Input: 1-2-3-4-5-6-NULLOutput: 2-1-4-3-6-5-NULLInput: 1-2-3-4-5-NULLO ...read more

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C Program For Pairwise Swapping Elements Of A Given Linked List

Last Updated: 03 March 2023

Given a singly linked list, write a function to swap elements pairwise.Input: 1-2-3-4-5-6-NULLOutput: 2-1-4-3-6-5-NULLInput: 1-2-3-4-5-NULLO...read more

Java Program For Pairwise Swapping Elements Of A Given Linked List

Last Updated: 23 April 2022

Given a singly linked list, write a function to swap elements pairwise.Input: 1-2-3-4-5-6-NULLOutput: 2-1-4-3-6-5-NULLInput: 1-2-3-4-5-NULLO...read more

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C# Program For Pairwise Swapping Elements Of A Given Linked List

Last Updated: 04 March 2023

Given a singly linked list, write a function to swap elements pairwise.Input: 1-2-3-4-5-6-NULLOutput: 2-1-4-3-6-5-NULLInput: 1-2-3-4-5-NULLO...read more

Minimum number of jumps to reach end | Set 2 (O(n) solution)

Last Updated: 06 September 2023

Given an array of integers where each element represents the max number of steps that can be made forward from that element. Write a functio ...read more

Kahn's algorithm for Topological Sorting

Last Updated: 07 March 2024

Given a Directed Acyclic Graph having V vertices and E edges, your task is to find any Topological Sorted order of the graph.Topological Sor...read more

Moonfrog Labs Interview Experience | Set 4

Last Updated: 18 September 2023

1. Topological sort.2. Reverse linked list in pairs. (1-2-3-4 to 2-1-4-3)3. Print a binary tree in spiral order4. Reverse an array without u ...read more

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Moonfrog Labs Interview Experience | Set 3

Last Updated: 15 November 2015

Q1. Given a sequence of integers, find the longest increasing subsequence. Example:arr = [1, 2, 5, 3, 7] ans : [1, 2, 5, 7] or [1, 2, 3, 7] ...read more

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Moonfrog Labs

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Print all Jumping Numbers smaller than or equal to a given value

Last Updated: 01 February 2023

A number is called as a Jumping Number if all adjacent digits in it differ by 1. The difference between ‘9’ and ‘0’ is not considere ...read more

Moonfrog Labs Interview Questions

Last Updated: 04 May 2022

Round 1:1 given a number, and an encoding technique like 1- A, 2- B.... 26-Z, How may different valid encryption can be done. Like 123 can b ...read more

Interview Experiences

Moonfrog Labs

Experiences

Moonfrog Labs Interview Experience

Last Updated: 10 September 2015

Moonfrog Labs Interview ExperienceRecently I got interviewed at Moonfrog Labs. Here is my interview experience.Round 1(1 hour):The interview ...read more

Interview Experiences

Moonfrog Labs

Experiences

Topological Sorting

Last Updated: 23 April 2024

Topological sorting for Directed Acyclic Graph (DAG) is a linear ordering of vertices such that for every directed edge u-v, vertex u comes ...read more

Minimum number of jumps to reach end (Jump Game)

Last Updated: 20 October 2023

Given an array arr[] where each element represents the max number of steps that can be made forward from that index. The task is to find the ...read more

Pairwise Swap Nodes of a given Linked List

Last Updated: 01 February 2023

Given a singly linked list, write a function to swap elements pairwise.Input : 1-2-3-4-5-6-NULLOutput : 2-1-4-3-6-5-NULLInput : 1-2-3-4-5-NU...read more

Array Reverse in C/C++/Java/Python/JavaScript

Last Updated: 17 April 2024

Array reverse or reverse a array means changing the position of each number of the given array to its opposite position from end, i.e. if a ...read more

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