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分享public class Test {
public static void main(String[] args) {
Scanner scanner = new Scanner(System.in);
int n = scanner.nextInt();
if(n <= 0){//要判断N的大小
System.out.println("无效输入");
return;
}
int[] arr = new int[n];
int Max = 0;
int Min = 0;
for (int i = 0; i < arr.length; i++) {
int m = scanner.nextInt();
arr[i] = m;
}
int sum = 0;
Min = arr[0];
for (int i = 0; i < arr.length; i++) {
if (arr[i] > Max) {
Max = arr[i];
}
if(arr[i] < Min){
Min = arr[i];
}
sum += arr[i];
}
System.out.println(Max);
System.out.println(Min);
System.out.println(sum);
}
}
int sum = 0;
Min = arr[0];
for (int i = 0; i < arr.length; i++) {
加上红色代码就可以了