题解 | #班级成绩输入输出#
班级成绩输入输出
https://www.nowcoder.com/practice/60d96b08e1cb42e38629d54e37eac008
import java.util.Scanner; // 注意类名必须为 Main, 不要有任何 package xxx 信息 public class Main { public static void main(String[] args) { Scanner sc = new Scanner(System.in); double [][]scores = new double [5][5]; for (int i = 0;i<5;i++){ for (int j = 0;j<5;j++){ scores[i][j] = sc.nextDouble(); } } for (int i = 0;i<5;i++){ double sum = 0.0; for (int j = 0;j<5;j++){ sum += scores[i][j]; System.out.printf("%.1f ",scores[i][j]); } System.out.printf("%.1f",sum); System.out.println(); } } }