C++Primer第五版第三章练习3.6

/*
练习3.6:
使用范围for语句将字符串内的所有字符用X代替
*/
#include "TouWenJian.h"
int main()
{
	string s1("huguang");
	for(auto &YinYongBianLiang:s1)
		YinYongBianLiang='X';
	cout<<s1;
	cout<<endl;
	return 0;
}