解题思路:用for循环依次求最大值,最小值,平均值
注意事项:
参考代码:
import java.util.Scanner;
public class Main {
public static void main(String[] args) {
Scanner sc = new Scanner(System.in);
int n = sc.nextInt();
int[] arr = new int[n];
for (int i = 0; i < arr.length; i++) {
arr[i] = sc.nextInt();
}
//求最高分
int max = arr[0];
for (int i = 1; i < arr.length; i++) {
if (arr[i] > max) {
max = arr[i];
}
}
System.out.println(max);
//求最低分
int min = arr[0];
for (int i = 1; i < arr.length; i++) {
if (arr[i] < min) {
min = arr[i];
}
}
System.out.println(min);
//求平均分
int sum = 0;
for (int i = 0; i < arr.length; i++) {
sum+=arr[i];
}
float average = (float) sum /n;
System.out.printf("%.2f",average);
}
}
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