백준 2566 c++

#include <iostream>
#include <cstdlib>

using namespace std;

int main(void)
{
	int arr[9][9];
	int i, j;
	int max = 0, maxi = 0, maxj = 0;

	for (i = 0; i < 9; i++)
	{
		for (j = 0; j < 9; j++)
		{
			cin >> arr[i][j];
			if (arr[i][j] >= 0)
			{
				if (max <= arr[i][j])
				{
					max = arr[i][j];
					maxi = i + 1;
					maxj = j + 1;
				}
			}
			else
			{
				j--;
			}
		}
	}
	cout << max << "\n" << maxi << " " << maxj << endl;

	return 0;
}