#include <bits/stdc++.h>
using namespace std;

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

long long n, d[101][101];

int main()
{
    f >> n;
    for( int i = 1; i <= n; i++ )
    {
        for( int j = 1; j <= n; j++ )
            f >> d[i][j];
    }
    for( int k = 1; k <= n; k++ )
    {
        for( int i = 1; i <= n; i++ )
        {
            for( int j = 1; j <= n; j++ )
                if( d[i][k] != 0 or d[k][j] != 0 or d[i][j] != 0 )
                    if( d[i][k] + d[k][j] < d[i][j] )
                        d[i][j] = d[i][k] + d[k][j];
        }
    }

    for(int i = 1; i <= n; i ++)
    {
        for(int j = 1; j <= n; j ++)
        {
            g << d[i][j] << ' ';
        }
        g << '\n';
    }
    return 0;
}