#include <fstream>

using namespace std;
ifstream f("royfloyd.in");
ofstream g("royfloyd.out");
int n,i,j,k,dist[101][101];
int main()
{
    f>>n;
    for (i=1;i<=n;i++)
        for (j=1;j<=n;j++)
        f>>dist[i][j];
    for (k=1; k<=n;k++)
        for (i=1;i<=n;i++)
        for (j=1;j<=n;j++)
        if (i!=k and j!=k and i!=j and dist[i][k]!=0 and dist[k][j]!=0 and (dist[i][j] > dist[i][k] + dist[k][j] or !dist[i][j]))
        dist[i][j] = dist[i][k] + dist[k][j];
    for (i=1;i<=n;i++)
    {
        for (j=1;j<=n;j++)
            g<<dist[i][j]<<" ";
        g<<"\n";
    }
    return 0;
}