(C++) - 백준(BOJ) 10798 : 세로읽기

#include <iostream>
#include <string>
using namespace std;
int main() {
    char arr[5][15];
    for (int i = 0; i < 5; i++)
        for (int j = 0; j < 15; j++)
            arr[i][j] = ' ';
    for (int i = 0; i < 5; i++)
    {
        cin >> arr[i];
    }
    for (int j = 0; j < 15; j++)
    {
        for (int i = 0; i < 5; i++)
        {
            if (isalpha(arr[i][j]) || (arr[i][j] >= 48 && arr[i][j] <= 57))
                cout << arr[i][j];
            else
                continue;
        }
    }
    
}