[브1] 10798 - 세로읽기

#include <iostream>
#include <vector>

#define SIZE 9
#define FAST_IO() ios::sync_with_stdio(0); cin.tie(0);
#define x first
#define x second

using namespace std;

int main() 
{
	int n = 5;
	vector<string> v(n);

	while (n)
	{
		int idx = 5 - n;
		cin >> v[idx];
		n--;
	}
	for (int x = 0; x < 16; x++)
	{
		for (int y = 0; y < 5; y++)
		{
			if (v[y] == "")
				continue;

			char cur = v[y][x];

			if (cur == '\0')
			{
				v[y] = "";
				continue;
			}
			cout << cur;
		}
	}
	return 0;
}