c++-如果第二個參數為0，則返回值為-1.那個-1怎麼寫出來啊，不會怎麼輸出-1

如果第二個參數為0，則返回值為-1.那個-1怎麼寫出來啊，不會怎麼輸出-1

#include
using namespace std;
unsigned short int hanshu(unsigned short int x,unsigned short int y) {
if (y==0)
cout<<"-1"< else
return short int (x/y);
}
int main() {
unsigned short int x,y;
cout cin>>x>>y:
cout<<"the result is"<<hanshu(x,y)<<endl;
return 0;
}
要怎麼改啊？

最佳回答：

unsigned short int 改成 signed short int
因為unsigned short int 取值為0-65535，
signed short int取值為-32,768 到 32,767