何松羽 • 1个月前
#include <bits/stdc++.h>
using namespace std;
int main() {
int n;//1.输入
cin >> n;//2.n个整数
int a[n];//3. n个整数保存到数组
for (int i = 0; i < n; i++) {
cin >> a[i];
}
int s = 0;
for (int i = 0; i < n; i++) {
s = s + a[i];
}
cout << s << endl;
double x;
x = s * 1.0 / n;
printf("%.2f", x);
int m = a[0];
int I = 0;
for (int i = 1; i < n; i++) {
if (a[i] > m) {
m = a[i];
I = i;
}
}
cout <<endl<< m << " " ;
int u = a[0];
int h = 0;
for (int i = 1; i <n; i++) {
if (a[i] < u) {
u=a[i];
h=i;
}
}
cout << u << " " ;
return 0;
}
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