C语言结构体指针用法异常问题

#include
typedef struct student {
	int sno;
	float score;
}stu;
int main() {
	float a = 0.3;
	stu li = { 1,98.2 };
	stu* p = &li;
	float* q = &a;
	printf("%dn", p->sno);
	printf("%fn", p->score);
	printf("%fn", li.score);
	printf("%fn", a);
	printf("%f", *q);
	return 0;
}