题解 | #记负均正#
记负均正
https://www.nowcoder.com/practice/6abde6ffcc354ea1a8333836bd6876b8
#include <iostream>
using namespace std;
int main() {
int a,c=0,num;
float d=0,e=0;
cin>>a;
int b[a];
for (int i=0; i<a; i++) {
cin>>num;
b[i]=num;
}
for (int i=0; i<a; i++) {
if (b[i]<0) {
c++;
}
else if(b[i]>0){
d=d+b[i];
e++;
}
}
d=d==0?0:d/e;
//cout<<b[1];
printf("%d %.1f" ,c,d);
}
