1.52 练习
> 在C99中,double的输入必须用%lf,输出必须用%f
>
> INF inifinity 无限大
>
> IND indeterminate 未定义
- 题目
![](https://img2020.cnblogs.com/blog/1883993/202103/1883993-20210309100550115-1488056317.png)
![](https://img2020.cnblogs.com/blog/1883993/202103/1883993-20210309100558587-2144257961.png)
- 代码
``` c
#include <stdio.h>
#include <stdlib.h>
#include <math.h>
int main()
{
// 在C99中,double的输入必须用%lf,输出必须用%f
/*
printf("%f\n",11111*11111);
printf("%f\n",sqrt(-10));
printf("%lf\n",sqrt(-10));
printf("%d\n",sqrt(-10));
printf("%lld\n",sqrt(-10));
printf("%d\n",1.0/0.0);
printf("%f\n",1.0/0.0);
printf("%d\n",0.0/0.0);
printf("%f\n",0.0/0.0);
*/
//printf("%d\n",1/0);
//printf("%f\n",1/0);
//while(1){
// int a, b;
//scanf("%d %d",&a, &b);
//printf("%d %d\n",a, b);
// }
//-1.#IND00
return 0;
}
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