#include<stdio.h>
#define N 10
struct student {
	char stuNum[20];
	int math;
	int c;
};
void input(struct student *p,int n){
	int i;
	for(i=0;i<n;i++){
		printf("plesae input the %d stuNun:",i+1);
		scanf("%s",p[i].stuNum);
		printf("Please input the %d math:",i+1);
		scanf("%d",&p[i].math);
		//注意此处对int输入要取地址& 
		printf("Please input the %d c:",i+1);
		scanf("%d",&p[i].c);
		getchar();//去除残留回车符 
	}
}
int main()
{
	int m=0,i,maxScore=0;
	struct student stu[N],max[N];
	printf("please input student information:\n");
	input(stu,N);
	for(i=0;i<N;i++)
	{
		if(stu[i].c > maxScore)
		{
			maxScore=stu[i].c;
		}
	}
	for(i=0;i<N;i++)
	{
		if(stu[i].c==maxScore){
			max[m++]=stu[i];
		}
	}
	printf("Last:\n");
	printf("the best c has %d\n",m);
	while(m-->0){
		printf("%s,%d,%d\n",stu[m].stuNum,stu[m].math,stu[m].c);
	}
	return 0;
 }