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How To Reverse A List In Python Using Slicing

Last Updated: 23 July 2025

In Python, list slicing is a common practice and it is the most used technique for programmers to solve efficient problems. In this article, we will see how we can reverse...read more

Python Programs

Automating File Movement on your system test

Last Updated: 06 August 2025

111 Imagine a situation like this: You have a folder containing files of multiple types liketxt,mp3,etc. You decide to clean up this mess and organize them in a way that ...read more

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Interview Experiences

time complexity

TCS-coding-questions

Find Array formed by reversing Prefix each time given character is found

Last Updated: 27 October 2022

Given an array arr[] of length N consisting of uppercase English letters only and a letter ch. the task is to find the final array that will form by reversing the prefix e...read more

Pattern Searching

Reverse given Linked List in groups of specific given sizes

Last Updated: 23 July 2025

Given the linked list and an array arr[] of size N, the task is to reverse every arr[i] nodes of the list at a time (0 ≤ i N).Note: If the number of nodes in the list is ...read more

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Geeks Premier League

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Lexicographically smallest string formed by reversing Substrings of string S exactly K times

Last Updated: 06 April 2023

Given a string S and an integer K, the task is to find the lexicographically smallest string possible after reversing any substring of any length exactly K times.Examples:...read more

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lexicographic-ordering

Rearrange given Array by splitting in half and inserting second half in reverse at alternate position

Last Updated: 10 March 2022

Given an array arr[] of even length N, the task is to perform the following operations on the given array:Split the given array in half.Insert the second half in reverse o...read more

array-rearrange

Reverse first K elements of the given Stack

Last Updated: 23 July 2025

Given a stack S and an integer K, the task is to reverse the first K elements of the given stackExamples:Input: S = [ 1, 2, 3, 4, 5, 8, 3, 0, 9 ], K = 4Output: [ 4, 3, 2, ...read more

Reverse digits of an integer with overflow handled | Set 2

Last Updated: 23 July 2025

Given a 32-bit integer N. The task is to reverse N, if the reversed integer overflows, print -1 as the output.ExamplesInput: N = 123Output: 321Input: N = -123Output: -321I...read more

Find maximum pairwise sum in Linked List that are equidistant from front and back

Last Updated: 23 July 2025

Given a linked list lis of length N, where N is even. The task is to maximize the sum of two equidistant nodes from the front and back ends of the given linked list.Note: ...read more

Divide and Conquer

Find original array from given array which is obtained after P prefix reversals | Set-2

Last Updated: 23 July 2025

Given an array arr[] of size N and an integer P, the task is to find the original array from the array obtained by P prefix reversals where in ith reversal the prefix of s...read more

Find the original array from given array obtained after P prefix reversals

Last Updated: 23 July 2025

Given an array arr[] of size N and an integer P (P N), the task is to find the original array from the array obtained by P prefix reversals where in ith reversal the pref...read more

two-pointer-algorithm

Reverse the rows and columns of a matrix alternatively

Last Updated: 31 December 2021

Given a matrix arr[][] of size M*N, where M is the number of rows and N is the number of columns. The task is to reverse the rows and columns of the matrix alternatively i...read more

C++ Program to Check if a string can be obtained by rotating another string d places

Last Updated: 23 July 2025

Given two strings str1 and str2 and an integer d, the task is to check whether str2 can be obtained by rotating str1 by d places (either to the left or to the right).Examp...read more

Python3 Program for Check if a string can be obtained by rotating another string d places

Last Updated: 23 July 2025

Given two strings str1 and str2 and an integer d, the task is to check whether str2 can be obtained by rotating str1 by d places (either to the left or to the right).Examp...read more

Javascript Program to Check if a string can be obtained by rotating another string d places

Last Updated: 23 July 2025

Given two strings str1 and str2 and an integer d, the task is to check whether str2 can be obtained by rotating str1 by d places (either to the left or to the right).Examp...read more

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