aditya109/git-osp-for-beginners

Rotate Matrix[Java-Solution required]

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#554 opened on Oct 13, 2021

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Description

You are given an n x n 2D matrix representing an image, rotate the image by 90 degrees Example 1: Input: matrix = [[1,2,3],[4,5,6],[7,8,9]] Output: [[7,4,1],[8,5,2],[9,6,3]] Example 2: Input: matrix = [[5,1,9,11],[2,4,8,10],[13,3,6,7],[15,14,12,16]] Output: [[15,13,2,5],[14,3,4,1],[12,6,8,9],[16,7,10,11]]

Contributor guide

Research direction
Implement an in place rotation by performing a transpose and then reversing each row, or use a direct rotation approach. Ensure the solution works for any n x n matrix.
Tech stack
java
Domain
None
Issue type
Feature
DifficultyEstimated implementation difficulty for a new contributor, from 1 for very small changes to 5 for expert-level work.
1
Estimated timeA rough time range for an experienced contributor to investigate, implement, test, and prepare a pull request.
Under 1 hour
Activity statusHow available the issue appears right now: fresh, active, stale, blocked, or waiting on maintainer input.
Active
ClarityHow clearly the issue explains the expected change, acceptance criteria, and next step.
Clear
Prerequisites
Java basics
Newbie friendlinessA 1-100 score estimating how approachable this issue is for first-time contributors.
90