ACM规则:while(scanf(%s%d",s,&n)!=EOF){//.}while(scanf(%s%d",s,&n)!=EOF){//.}//请问这句话到底是拿来干什么的?

ACM规则:while(scanf(%s%d",s,&n)!=EOF){//.}while(scanf(%s%d",s,&n)!=EOF){//.}//请问这句话到底是拿来干什么的?
ACM规则:while(scanf(%s%d",s,&n)!=EOF){//.}
while(scanf(%s%d",s,&n)!=EOF)
{
//.
}//请问这句话到底是拿来干什么的?

ACM规则:while(scanf(%s%d",s,&n)!=EOF){//.}while(scanf(%s%d",s,&n)!=EOF){//.}//请问这句话到底是拿来干什么的?
输入数据,以EOF为结尾.ACM比赛中有些数据是不设定组数的,所以为了跳出循环必须增加个判断输入是否为EOF（也就是空,即输入数据已经输入完成）.这个语句的作用就是输入数据输入完成以后则跳出循环