在任何情况下都建议使用`double`
by HarunluoON @ 2021-12-25 11:41:01
```
#include<iostream>
using namespace std;
long long a;
int main()
{
cin>>a;
cout<<a;
}
```
by Surelysuper @ 2021-12-25 12:09:05
谢谢
by Straderetta @ 2021-12-25 14:29:49
@[Surelysuper](/user/234114) 在任何情况下主函数都建议
return 0;
by Cyq_Lyw_01 @ 2022-06-05 15:48:23
他不是说单精度浮点吗，为什么用float90分，用double才行
by Rume152 @ 2023-01-15 15:27:02