main.cpp

C++STL课本中的源程序代码己经验证过了可以通过编译和运行。

#include <algorithm>
#include <iostream>

int main(void){
	using namespace std;
	int a = 5;
	int b = 26;
	cout << "交换前 " << "a = " << a << " b = " << b << endl;
	swap(a, b);
	cout << "交换后 " << "a = " << a << " b = " << b << endl;
 	return 0;
}