T6从键盘随机输入 10 个数，统计其中正数的个数及其平均数

#include
using namespace std;
int main() {
double i, x, s=0, n=0;
int t;
for (i = 1; i <= 10; i++) {
cin >> x;
if (x > 0) t = 1;
else t = 2;
switch (t){
case 1:s = s + x;
n++; break;
case 2:break;
}
}
cout<<s/n;

return 0;

}