[백준] 10789 (C++)

char str[5][MAX] = { NULL, };
for(int i=0;i<5;i++) cin >> str[i];

#include<iostream>
using namespace std;

const int Max = 15;
int main() {
    char str[5][Max] = { NULL, };//NULL로 초기화
    for (int i = 0; i < 5; ++i)
        cin >> str[i];

    for (int j = 0; j < Max; ++j) {
        for (int i = 0; i < 5; ++i) {
            if (str[i][j] == NULL)//NULL이 있으면 건너뜀
                continue;
            cout << str[i][j];
        }
    }
    return 0;
}

#include <iostream>
#include <string>
#include <vector>
#include <deque>
#include <algorithm>

using namespace std;

int main()
{

	deque<string> charArr;
	int maxL = 0;
	for (int h = 0; h < 5; h++)
	{
		string tmp;
		cin >> tmp;
		charArr.push_back(tmp);
		maxL = max(maxL, int(tmp.length()));
	}
	for (int h = 0; h < 5; h++)
	{
		string tmp = charArr.front();
		charArr.pop_front();
		int L = tmp.length();
		tmp.append(maxL - L, '*');
		charArr.push_back(tmp);
	}
	for(int l=0;l<maxL;l++)
		for (int h = 0; h < 5; h++)
		{
			string tmp = charArr.front();
			charArr.pop_front();
			if (tmp[l] != '*') cout << tmp[l];
			charArr.push_back(tmp);
		}

	return 0;
}