有没有一种可能，可以直接：
```cpp
#include<iostream>
using namespace std;
int main(){
double a;
cin>>a;
cout<<(long long)a;
return 0;
}
```
by 2huk @ 2023-10-22 22:20:32
~~求关注~~
by 2huk @ 2023-10-22 22:21:11
@[2huk](/user/748509) 这是什么语言，我看不懂
by great_mad @ 2023-10-22 22:32:36
像这样：
```c
#include<cstdio>
using namespace std;
int main(){
double a;
scanf("%lf",&a);
printf("%lld",(long long)a);
return 0;
}
```
by 2huk @ 2023-10-22 22:35:05
@[great_mad](/user/1160345) cpp
by Argvchs @ 2023-10-22 22:42:21
@[2huk](/user/748509) 为什么要用long long
by great_mad @ 2023-10-23 08:29:20
@[great_mad](/user/1160345) 防止数据太大
by linjianju_xi @ 2023-10-28 15:27:55