import java.util.Scanner;

public class TestArray2{

public static void main(String[] args){

int[] a = new int[50] ;

int n, max, min, k = 0;

Scanner sc = new Scanner(System.in);

System.out.println("请输入取值范围n的大小");

n = sc.nextInt();

System.out.println("您输入取值范围n的大小为：" + n);

for(int i=0; i<50; i++){ //(int)

a[i] = (int)(Math.random()*(n+1));

}

System.out.print("这50个随机数分别为：");

for(int i=0; i<a.length; i++){

System.out.print(a[i] + " ");

}

System.out.println();

max = min = a[0];

for(int i=0; i<a.length; i++){

if(max < a[i]){

max = a[i];

}

if(min > a[i]){

min = a[i];

}

if(a[i] >= 60){

k++;

}

}

System.out.println("这50个随机数中的最大值为：" + max);

System.out.println("这50个随机数中的最小值为：" + min);

System.out.println("这50个随机数中大于等于60的个数为：" + k);

}

}