题解 | #记负均正II#
记负均正II
https://www.nowcoder.com/practice/64f6f222499c4c94b338e588592b6a62
#include <iostream>
using namespace std;
int main() {
double sum=0.0;
int a;
int n=-0;
int cn=0;
while(cin >> a){
if(a < 0){
n++;
}else{
sum = sum + a;
cn++;
}
}
cout << n << endl;
if(sum == 0){
cout << "0.0" << endl;
}else
printf("%0.1f\n",sum/cn);
return 0;
}
// 64 位输出请用 printf("%lld")
查看7道真题和解析
