指针这样exchenge #include <iostream> using namespace std; int main() {int a,b; int *p1,*p2,*p; cin>>a>>b; p1=&a; p2=&b; if(*p1<*p2) {p=p1; p1=p2; p2=p; } cout<<endl; cout<<*p1<<" "<<*p2<<endl; return 0;