第1个回答 2008-07-11
扔个时间种子就OK了
#include "time.h"
time_t a,b;
clock_t start,end;
srand(time(NULL));
start=clock();
a=time(NULL);
.....
....
end=clock();
b=time(NULL);
printf("It took you %6.3f seconds\n",(double)(end-start)/18.2);//18.2 换算
//这或者用difftime(b,a)也可以
printf("It took you %6.3f seconds\n",difftime(b,a));本回答被提问者采纳