#include?
void?main（）
{
	int?icountstu_numMj;
	struct?student
	{
		int?flag;
		int?next;
	};
	struct?student?stu[65535];
	printf（“input?the?number?of?the?students:\n“）;
	scanf（“%d“&stu_num）;
	printf（“input?the?number?M:\n“）;
	scanf（“%d“&M）;
	for（i=1;i<=stu_num;i++）
	{
		if（i==stu_num）
			stu[i].next=1;
		else
			stu