c++保留10位小数
时间: 2023-10-13 16:02:07 浏览: 69
为了将C语言中的双精度浮点数保留10位小数,你可以使用以下代码:
```c
#include <stdio.h>
int main() {
double num = 123456.343001;
printf("%.10lf\n", num);
return 0;
}
```
在上面的代码中,使用`printf`函数和格式化字符串`%.10lf`来输出双精度浮点数,并且指定保留10位小数。在这个例子中,输出结果将会是`123456.3430010000`。<span class="em">1</span><span class="em">2</span><span class="em">3</span>
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