问题
单项选择题
下面程序的运行结果为( )。#include<iostream.h>void swap (int &a, int b){int temp;temp=a++;a=b;b=temp;}void main(){int a=2, b=3;swap(a,b);cout<<a<<","<<b<<end1;}
A.2,3
B.3,2
C.2,2
D.3,3
答案
参考答案:D
下面程序的运行结果为( )。#include<iostream.h>void swap (int &a, int b){int temp;temp=a++;a=b;b=temp;}void main(){int a=2, b=3;swap(a,b);cout<<a<<","<<b<<end1;}
A.2,3
B.3,2
C.2,2
D.3,3
参考答案:D