函数计时器

#include<stdio.h>
#include<time.h>
clock_t start,stop;
double s;

void cs1 (int n)
{
	int i ;
	for(i=0;i<=n;i++)
		printf("%d ",i);
		printf("\n");
}

main()
{
	int n;
	scanf("%d",&n);
	start = clock();
	cs1(n);		//这里加入需要计时的函数
	stop = clock();
	s= ((double)(stop-start))/CLK_TCK;printf("%f",s);
	printf("\n");
}
/*以秒为单位*/