public class Test {
public static void main(String[] args) {
int sum = 0;//总分
int count = 0;//分数在80分以上人数
Scanner input = new Scanner(System.in);
System.out.println("请输入学生总人数:");
int total = input.nextInt();
for (int i = 0; i < total; i++) {
System.out.println("请输入第" + (i + 1) + "个同学的成绩:");
int score = input.nextInt();
if (score > 80 || score == 80)
count++;
sum += score;//记录总分
}
double avg = sum / total;
System.out.println("80分以上的人数有:" + count);
System.out.println("80分以上的占得比率为:" + avg);
}