C Exercise Example 92
100 cases of classic C language
Title: Time Functions Example 2
Program Analysis: None.
Source Code:
// Created by www.w3big.com on 15/11/9.
// Copyright © 2015年 本教程. All rights reserved.
//
#include <stdio.h>
#include <time.h>
int main()
{
time_t start,end;
int i;
start=time(NULL);
for(i=0;i<300000;i++)
{
printf("\n"); // 返回两个time_t型变量之间的时间间隔
}
end=time(NULL);
// 输出执行时间
printf("时间间隔为 %6.3f\n",difftime(end,start));
}
Run the above example output is:
时间间隔为 1.000