@[mab123456](/user/701120)
```cpp
#include<bits/stdc++.h>
using namespace std;
int main()
{
long long a,b,c,d;
cin>>a>>b>>c>>d;
if(a*c<=-2147483648||a*c>2147483648||a*d<=-2147483648||a*d>2147483648||b*c<=-2147483648||b*c>2147483648||b*d<=-2147483648||b*d>2147483648)
printf("long long int\n");
else
printf("int\n");
return 0;
}
```
求关（
by xk2013 @ 2024-07-04 18:25:55
@[xk2013](/user/998662) 硬判？
by linjianju_xi @ 2024-07-08 08:23:45
int 类型可以表示的范围为
[
−
2147483648
,
2147483647
]
[−2147483648,2147483647]
正的是7
by qqq123456qqq @ 2024-07-08 19:48:35