题解 | #小乐乐算多少人被请家长#

#include <stdio.h>

int main() 
{
    int num;
    int i;
    int count = 0;
    int Chinese,math,English;
    float average_score;
    scanf("%d",&num);
    for(i = 0;i<num;i++)
    {
        scanf("%d %d %d",&Chinese,&math,&English);
        average_score = (Chinese+math+English)/3.0;
        if(average_score<60)
            count++;
    }
    printf("%d",count);
    return 0;
}