C++编程第42题

//学习使用auto定义变量的用法

#include "stdio.h"
int main(){
    int i,num;
    num=2;
    for (i=0;i<3;i++){
        printf("\40: The num equal %d \n",num);
        num++;
        {
            auto int num=1;
            printf("\40: The internal block num equal %d \n",num);
            num++;
        }
    }
    return 0;

}