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Data Structures-Array

6 posts

Minimize the Sum of Absolute Costs of an Array Optimally

Last Updated: 18 January 2024

Given an array arr[] of costs, your task is to minimize the sum of the absolute differences between consecutive costs by performing following operation at most once. Opera...read more

Data Structures-Array

Determining Mobile Phone Charging Time Based on Rates

Last Updated: 05 December 2023

Given an initial charge amount C in a mobile phone, it undergoes varying charging rates per minute, as specified within specific ranges 'Rate' based on the current charge ...read more

Data Structures-Array

Minimum operations for balancing Array difference

Last Updated: 23 December 2023

Given an integer array A[] consisting of N integers, find the minimum number of operations needed to reduce the difference between the smallest and largest elements in the...read more

Data Structures-Array

top-dsa-problems

Sequence Transformation by Cyclic Shifting

Last Updated: 03 October 2023

Given two arrays of positive integers A[] and B[], both of length N, the task is to determine whether it is possible to transform sequence A into sequence B by repeating t...read more

Data Structures-Array

Find number of prime sorted subarrays

Last Updated: 23 July 2025

Given an array arr[] of length N, the task is to find the number of subarrays that consists of prime numbers in ascending order.Examples:Input: arr[] = [8, 5, 6, 3, 7]Outp...read more

Data Structures-Array

Real-life Applications of Data Structures and Algorithms (DSA)

Last Updated: 03 October 2025

You may have heard that DSA is primarily used in the field of computer science. Although DSA is most commonly used in the computing field, its application is not restricte...read more

Data Structures

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