C 练习实例93
C 语言教程
· 2019-02-22 17:13:01
题目:时间函数举例2
程序分析:无。
程序源代码:
// Created by www.codercto.com on 15/11/9. // Copyright © 2015年 码农教程. All rights reserved. // #include <stdio.h> #include <stdlib.h> #include <time.h> int main() { long i=10000000L; clock_t start,finish; double TheTimes; printf("做%ld次空循环需要的时间为",i); start=clock(); while(i--); finish=clock(); TheTimes=(double)(finish-start)/CLOCKS_PER_SEC; printf("%f秒。\n",TheTimes); return 0; }
以上实例运行输出结果为:
做10000000次空循环需要的时间为0.025367秒。
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