题解 | 交换两个变量的值
#include <iostream>
using namespace std;
int main() {
int a = 0;
int b = 0;
cin >> a;
cin >> b;
//write your code here.......
a=a+b;
b=a-b;
a=a-b;
cout << a << " " << b << endl;
return 0;
}
