Rotate Array to Left by d | DSA in Java | Array Rotation Problem
Автор: That Marathi Coderr
Загружено: 2026-01-03
Просмотров: 18
In this video, we solve the Rotate Array to Left by d problem using Java.
Problem:
Given an array arr[] and an integer d, rotate the array to the left by d positions.
The rotation should be done in place.
Examples:
Input: [1, 2, 3, 4, 5], d = 2
Output: [3, 4, 5, 1, 2]
Approach explained:
Brute force approach
Optimized approach
In-place solution
Time and space complexity
Java implementation
This problem is important for:
Array DSA preparation
Coding interviews
Placement preparation
Follow the DSA Daily Series where we solve 2 DSA problems every day.
Chapters:
0:00 Introduction
0:30 Problem Statement
1:30 Brute Force Approach
3:00 Optimized Solution
5:30 Java Code
7:00 Dry Run & Edge Cases
#DSA #JavaDSA #ArrayRotation #CodingInterview
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