阅读程序写结果。
#include<iostream>
using namespace std;
int main(){
int a,b;
a = 100;
b = 200;
a = b - a;
b -= a;
a+=b;
cout << "a=" << a << ",b=" << b <<endl;
return 0;
}
输出的结果是：_____
a = 200,b = 100
a = 100,b = 200
a = 200,b = 200
a = 100,b = 100