無效掉期(利息和利息。壹、int & ampb)
{
int c;
c = a;
a = b;
b = c;
}
void main(){
int x,y;
cout & lt& lt"請輸入兩個整數:"
CIN & gt;& gtx & gt& gty;
swap(x,y);
cout & lt& lt"交換後輸出結果:";
cout & lt& ltx & lt& lt" " " & lt& lty;
cout & lt& ltendl