自己写的。C语言。驼峰命名法。题解 | #记负均正#

#include<stdio.h>
int main() {
    int NumOfPositiveNumber = 0, NumOfNegativeNumber = 0, n, i, temp;
    double SumOfPositiveNumber = 0;
    scanf("%d", &n);
    for (i = 0; i < n; i++) {
        scanf("%d", &temp);
        if (temp < 0) {
            NumOfNegativeNumber++;
        } else if (temp > 0) {
            NumOfPositiveNumber++;
            SumOfPositiveNumber += temp;
        }
    }
    printf("%d ", NumOfNegativeNumber);
    if (NumOfPositiveNumber == 0) {
        printf("0.0\n");
    } else {
        SumOfPositiveNumber = SumOfPositiveNumber / NumOfPositiveNumber;
        printf("%.1lf\n", SumOfPositiveNumber);
    }
    return 0;
}