#include <iostream>
#include <fstream>
using namespace std;
ifstream f ("royfloyd.in");
ofstream g ("royfloyd.out");
int i, j, m[101][101], n, k;
int main()
{
    f>>n;
    for(i=1;i<=n;i++)
        for(j=1;j<=n;j++)
        f>>m[i][j];

    for (k=1;k<=n;k++)
		for (i=1;i<=n;i++)
			for (j=1;j<=n;j++)
				if (m[i][k] && m[k][j] && (m[i][j]>m[i][k]+m[k][j] || !m[i][j]) && i != j) m[i][j] = m[i][k] + m[k][j];

    for(i=1;i<=n;i++)
        {
            for(j=1;j<=n;j++)
            g<<m[i][j]<<" ";
        g<<'\n';
            }

    return 0;
}