#include <iostream>
#include <fstream>

using namespace std;
int mat[101][101];

int main()
{
	ifstream f("royfloyd.in");
	ofstream g("royfloyd.out");

	int N;
	f >> N;
	for(int i = 1; i <= N; i++)
	{
		for(int j = 1; j <= N; j++)
		{
			f >> mat[i][j];
		}
	}
	for(int k = 1; k <= N; k++)
	{
		for(int i = 1; i <= N; i++)
		{
			for(int j = 1; j <= N; j++)
			{
				if(k != i && k != j && i != j)
				{
					if(mat[i][k] + mat[k][j] < mat[i][j] && mat[i][k] != 0 && mat[k][j] != 0 && mat[i][j] != 0)
						mat[i][j] = mat[i][k] + mat[k][j];
					if(mat[i][j] == 0)
					    mat[i][j] = mat[i][k] + mat[k][j];
				}
			}
		}
	}
	for(int i = 1; i <= N; i++)
	{
		for(int j = 1; j <= N; j++)
		{
			g << mat[i][j] << " ";
		}
		g << '\n';
	}
    return 0;
}