题解 | #记负均正II#
记负均正II
https://www.nowcoder.com/practice/64f6f222499c4c94b338e588592b6a62
#include <stdio.h>
int main() {
int a;
int count1=0;
int count2=0;
int sum=0;
while (scanf("%d", &a) != EOF) {
if(a<0)
{
count1++;
}
else {
count2++;
sum=sum+a;
}
}
double average=0.0;
if(count2!=0)
average=(double)sum/(double)count2;
printf("%d\n",count1);
printf("%.1f\n",average);
return 0;
}
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