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⇱ Rockstand Archives - GeeksforGeeks

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C++ Program For Swapping Kth Node From Beginning With Kth Node From End In A Linked List

Last Updated: 23 July 2025

Given a singly linked list, swap kth node from beginning with kth node from end. Swapping of data is not allowed, only pointers should be changed. This requirement may be ...read more

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Java Program For Swapping Kth Node From Beginning With Kth Node From End In A Linked List

Last Updated: 23 July 2025

Given a singly linked list, swap kth node from beginning with kth node from end. Swapping of data is not allowed, only pointers should be changed. This requirement may be ...read more

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Python Program For Swapping Kth Node From Beginning With Kth Node From End In A Linked List

Last Updated: 23 July 2025

Given a singly linked list, swap kth node from beginning with kth node from end. Swapping of data is not allowed, only pointers should be changed. This requirement may be ...read more

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Python Programs

Javascript Program For Swapping Kth Node From Beginning With Kth Node From End In A Linked List

Last Updated: 23 July 2025

Given a singly linked list, swap kth node from beginning with kth node from end. Swapping of data is not allowed, only pointers should be changed. This requirement may be ...read more

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Union and Intersection of Two Unsorted Arrays - Complete Tutorial

Last Updated: 23 July 2025

Unionof two arrays is an array having alldistinctelements that are present ineither arraywhereasIntersectionof two arrays is an array containingdistinctcommonelements betw...read more

Rockstand.in interview experience

Last Updated: 23 July 2025

Recently i applied online at rockstand the process took three days to complete.There were 4 rounds for this process at their office.1st round- shortlisting from resumes. T...read more

Interview Experiences

K’th Smallest Element

Last Updated: 18 October 2025

Given an integer array arr[] and k. Find the k'th smallest element in the given array. Note: k is always smaller than the size of the array.Examples:Input: arr[] = [10, 5,...read more

Order-Statistics

Swap k-th Nodes in Linked List

Last Updated: 28 August 2025

Given a head of a singly linked list, swap kth node from beginning with kth node from end.Example:Input: head = 5 - 10 - 8 - 5 - 9 - 3, k = 2 Output: 5 - 9 - 8 - 5 - 10 - ...read more

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Detect Cycle in a Directed Graph

Last Updated: 04 November 2025

Given a directed graph represented by its adjacency list adj[][], determine whether the graph contains a cycle/Loop or not.A cycle is a path that starts and ends at the sa...read more

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