#include <fstream>
#include <vector>
#define INF 0x3f3f3f3f
using namespace std;

ifstream is("royfloyd.in");
ofstream os("royfloyd.out");

using VI = vector<int>;

int n, a[101][101];

int main()
{
    is >> n;
    for ( int i = 1; i <= n; ++i )
        for ( int j = 1; j <= n; ++j )
        {
            is >> a[i][j];
            if ( !a[i][j] )
                a[i][j] = INF;
        }
    for ( int k = 1; k <= n; ++k )
        for ( int i = 1; i <= n; ++i )
            if ( i != k && a[i][k] != INF )
                for ( int j = 1; j <= n; ++j )
                if ( i != j && j != k && a[k][j] != INF )
                    a[i][j] = min(a[i][j], a[i][k] + a[k][j]);
    for ( int i = 1; i <= n; ++i )
    {
        for ( int j = 1; j <= n; ++j )
            os << ( a[i][j] != INF ? a[i][j] : 0 ) << " ";
        os << "\n";
    }
    is.close();
    os.close();
    return 0;
}