[C++] 에디터(list) - 1406

#include <iostream>
#include <list>
#include <string>
using namespace std;



int main()
{
	string str = "";
	list<char> d;
	int N = 0;
	char c;

	cin >> str;
	cin >> N;

	for (int i = 0; i < str.size(); i++)
		d.push_back(str[i]);

	list<char>::iterator it = d.end();

	while (N--)
	{
		cin >> c;
		if (c == 'L')
		{
			if (it != d.begin())
				it--;
		}
		else if (c == 'D')
		{
			if (it != d.end())
				it++;
		}
		else if (c == 'B')
		{
			if (it != d.begin())
				it = d.erase(--it);
		}
		else if (c == 'P')
		{
			cin >> c;

			it = d.insert(it, c);
			++it;
		}
	}

	for (auto i = d.begin(); i != d.end(); ++i)
		cout << *i;


	return 0;

}