백준알고리즘 10984번 내 학점을 구해줘

백준알고리즘

https://www.acmicpc.net/problem/10984

진짜 그냥 노가다문제... 이걸 올리는 이유는 아는데 푸는건 귀찮으니 복사붙여넣기하라고..

import java.util.Scanner;

public class Main {
    static int[][] resultArray = null;
    public static void main(String[] args) {
        Scanner scan = new Scanner(System.in);
        int count = Integer.parseInt(scan.nextLine().trim());
        
        for(int i=0; i < count; i++) {
            float totalPoint = 0;
            int totalsubject = 0;
            int su = Integer.parseInt(scan.nextLine().trim());
            
            for(int j=0; j < su; j++) {
                int subject = scan.nextInt();
                float point = Float.parseFloat(scan.nextLine().trim());
                totalPoint += point * subject;
                totalsubject += subject;
            }
            
            System.out.println(totalsubject + " " + Math.round(totalPoint/totalsubject*10)/10.0);
        }
        
        scan.close();
    }
}