#include?
#include?

using?namespace?std;
//9-45
string?addname（string?name?string?qianzhui?=?““?string?houzhi?=?““）
{
	name.insert（0qianzhui）;
	name.append（houzhi）;
	return?name;
}
//9-46
string?addname_v1（string?name?string?qianzhui?=