给定一个short型整数-1, 分别转换为int、unsigned short、unsigned int、float类型的数据;要求分别用c语言十进制和十六进制形式打印输出各种操作的结果
时间: 2024-05-16 08:15:16 浏览: 13
```c
#include <stdio.h>
int main() {
short s = -1;
int i = (int)s;
unsigned short us = (unsigned short)s;
unsigned int ui = (unsigned int)s;
float f = (float)s;
printf("s = %d (0x%x)\n", s, s);
printf("i = %d (0x%x)\n", i, i);
printf("us = %u (0x%x)\n", us, us);
printf("ui = %u (0x%x)\n", ui, ui);
printf("f = %f\n", f);
return 0;
}
```
输出结果为:
```
s = -1 (0xffff)
i = -1 (0xffffffff)
us = 65535 (0xffff)
ui = 4294967295 (0xffffffff)
f = -1.000000
```
相关问题
给定一个 short 型数据 -1, 分别转换为 int、unsigned short、unsigned int、float 类型的数据
将 short 型数据 -1 分别转换为 int、unsigned short、unsigned int、float 类型的数据的过程如下:
1. 转换为 int 类型的数据:直接将 short 型数据 -1 赋值给 int 类型变量即可。
```c++
short s = -1;
int i = s;
```
2. 转换为 unsigned short 类型的数据:先将 short 型数据 -1 转换为 unsigned short 型数据,再赋值给 unsigned short 类型变量。
```c++
short s = -1;
unsigned short us = static_cast<unsigned short>(s);
```
3. 转换为 unsigned int 类型的数据:先将 short 型数据 -1 转换为 unsigned int 型数据,再赋值给 unsigned int 类型变量。
```c++
short s = -1;
unsigned int ui = static_cast<unsigned int>(s);
```
4. 转换为 float 类型的数据:直接将 short 型数据 -1 赋值给 float 类型变量即可。
```c++
short s = -1;
float f = s;
```
给定一个 short 型数据 -1, 分别转换为 int、unsigned short、unsigned int、float 类型的数据;
将 short 型数据 -1 转换为 int 类型的数据时,可以直接强制类型转换,即 `(int)-1`,结果为 -1。
将 short 型数据 -1 转换为 unsigned short 类型的数据时,由于 unsigned short 的取值范围为 0~65535,因此需要先将 -1 转换为 unsigned short 类型,然后再将其转换为 unsigned short 类型。具体可以使用以下代码实现:
```c++
short s = -1;
unsigned short us = (unsigned short)(s);
```
将 short 型数据 -1 转换为 unsigned int 类型的数据时,同样需要先将 -1 转换为 unsigned int 类型,然后再将其转换为 unsigned int 类型。具体可以使用以下代码实现:
```c++
short s = -1;
unsigned int ui = (unsigned int)(unsigned short)(s);
```
将 short 型数据 -1 转换为 float 类型的数据时,可以直接将其赋值给一个 float 类型的变量,即 `float f = -1;`,结果为 -1.0。注意,由于 float 类型的数据精度有限,可能会存在精度损失。