C Exercise Example 42
Title:Learn how to use auto to define variables.
Program analysis:None.
Program source code:
Example
// Created by www.example.com on 15/11/9.
// Copyright © 2015 Example Tutorial. All rights reserved.
//
#include <stdio.h>
int main()
{
int i,num;
num=2;
for(i=0;i<3;i++)
{
printf("num variable is %d\n",num);
num++;
{
auto int num=1;
printf("Built-in module num variable is %d\n",num);
num++;
}
}
return 0;
}
// Copyright © 2015 Example Tutorial. All rights reserved.
//
#include <stdio.h>
int main()
{
int i,num;
num=2;
for(i=0;i<3;i++)
{
printf("num variable is %d\n",num);
num++;
{
auto int num=1;
printf("Built-in module num variable is %d\n",num);
num++;
}
}
return 0;
}
The output result of the above example is:
num 变量为 2 内置模块 num 变量为 1 num 变量为 3 内置模块 num 变量为 1 num 变量为 4 内置模块 num 变量为 1other extensions