HDU 1170(水题)

#include <iostream>
#include <iomanip>
using namespace std;

int main()
{
int T;
cin>>T;
int A,B;
char C;
while(T--)
{
cin>>C>>A>>B;
if(C=='+') cout<<A+B<<endl;
else if(C=='-') cout<<A-B<<endl;
else if(C=='*') cout<<A*B<<endl;
else if(C=='/')
{
if(A%B == 0) cout<<A/B<<endl;
else cout<<fixed<<setprecision(2)<<A/(double)B<<endl;
}
}
return 0;
}