12345678910

Question

12345678910
c++

#include
using namespace std;
void change(int &a,int &b){
int c;
c=a;
a=b;
b=c;
}
int main(){
int a,b;
cin>>a>>b;
change(a,b);
cout<" "<return 0;
}
你好

Answer 1

交换数的函数写得不错，最后cout那里少了个<