백준-기차가 어둠을 헤치고 은하수를.cpp.txt

#include <iostream>
#include<vector>
#include<map>
using namespace std;
int N,M;
int Train[100001][20];
map<vector<int>, int> m;
void simulte(int C,int num, int seat)
{
	if (C == 1)
		Train[num - 1][seat - 1] = 1;
	else if (C == 2)
		Train[num - 1][seat - 1] = 0;
	else if(C==3)
	{
		for (int i = 19; i >0; i--)
			Train[num - 1][i] = Train[num - 1][i - 1];
		Train[num - 1][0] = 0;
	}
	else
	{
		for (int i = 0; i <19; i++)
			Train[num - 1][i] = Train[num - 1][i + 1];
		Train[num - 1][19] = 0;
	}
}
int main()
{
	cin >> N >> M;
	for (int i = 0; i < N; i++)
	{
		for (int j = 0; j < 20; j++)
			Train[i][j] = 0;
	}
	for (int i = 0; i < M; i++)
	{
		int C,num;
		int seat = 0;
		cin >>C>> num;
		if (C == 1 || C == 2)
			cin >> seat;
		simulte(C,num, seat);
	}
	vector<int> v;
	int ret = 0;
	for (int i = 0; i < N; i++)
	{
		for (int j = 0; j < 20; j++)
			v.push_back(Train[i][j]);
		if (m.count(v) == 0)
		{
			ret++;
			m[v] = 1;
		}
		v.clear();
	}
	cout << ret << endl;
	return 0;
}