题解 | #小乐乐算多少人被请家长#

#include <stdio.h>

int main()
{
    int n = 0;
    int please_family = 0;
    scanf("%d", &n);//同学个数
    for(; n;n--)
    {
        int cn = 0;
        int math = 0;
        int eng = 0;
        scanf("%d %d %d", &cn, &math, &eng);

        if((cn+math+eng)/3 < 60)
        {
            please_family++;//叫家长
        }
    }
    printf("%d\n", please_family);
    return 0;
}