题解 | #小乐乐算多少人被请家长#

#define _CRT_SECURE_NO_WARNINGS
#include <stdio.h>
int main()
{
    int i = 0, n = 0, a = 0, b = 0, c = 0, sum = 0, count = 0;
    scanf("%d", &n);//输入一个数n，代表小乐乐的班级中有n个同学。
    for (i = 0; i < n; i++)
    {
        scanf("%d %d %d", &a, &b, &c);
        sum = a + b + c;
        if (sum / 3 < 60)
        {
            count++;
        }
    }
    printf("%d", count);
    return 0;
}