题解 | #记负均正II#

#include <stdio.h>

int main()
{
    int i = 0;
    float sum = 0;
    int num = 0;
    int s = 0;
    while(scanf("%d", &i) != EOF) {
        if(i >= 0) {
            sum += i;
            num++;
        }
        s++;
    }
    printf("%d\n", s - num);
    float average = num == 0 ? 0 : sum / num;
    printf("%.1f\n", average);
    return 0;
}