//#include<iostream>
//#include<vector>
//#include<string>
//#include"village.hpp"
using namespace std;

class Village
{
public:
	vector<int> villages;
	
	auto get_region()
	{
		for(int i=0;i<villages.size();i++)
			cout<<"id="<<villages[i]<<"x="<<villages[i+1]<<"y="<<villages[i+2]<<endl;
		//return villages;
	}
	
	auto get_village(int id)
	{
		int x,y;
		
		for(int i=0; i<villages.size(); i++)
		{
			if(id == villages[i])
			{
				x = villages.at(i+1);
				y = villages.at(i+2);
			}
		}
		vector<int> ret;
		ret.push_back(id);
		ret.push_back(x);
		ret.push_back(y);
		return ret;
	}

	auto set_village(int id,int x,int y)
	{
		for(int i=0; i<villages.size(); i++)
		{
			if(id == villages[i])
			{
				villages.at(i+1) = x;
				villages.at(i+2) = y;
			}
		}
		vector<int> ret;
		ret.push_back(id);
		ret.push_back(x);
		ret.push_back(y);
		return ret;
	}

	auto add_village(int id,int x,int y)
	{
		villages.push_back(id);
		villages.push_back(x);
		villages.push_back(y);
		string ret = "adding succeessed!";
		return ret;
	}
	
	auto del_village(int id)
	{
		for(int i=0; i<villages.size(); i++)
		{
			if(id == villages[i])
			{
				auto iter = villages.begin()+i-1; //iter找到id在vector里的位置
				villages.erase(iter); //erase后iter会指向删除元素的下一个位置，所以删除3次能顺序删除id,x,y
				villages.erase(iter);
				villages.erase(iter);
			}
		}
		string ret = "deleting succeed!";
		return ret;
	}

};