#include <fstream>

using namespace std;
const int inf=1000000;
int d[100][100];
int main()
{
    ifstream fin("royfloyd.in");
    ofstream fout("royfloyd.out");
    int n,x;
    fin>>n;
    for (int i=1;i<=n;i++)
        for (int j=1;j<=n;j++)
            {
            fin>>x;
            if (x==0&&i!=j)
                d[i][j]=inf;
            else
                d[i][j]=x;
            }
    for (int k=1;k<=n;k++)
        for (int i=1;i<=n;i++)
            for (int j=1;j<=n;j++)
                {
                if (i!=j&&i!=k&&j!=k&&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++)
            {
            if (d[i][j]==inf)
                fout<<0;
            else
                fout<<d[i][j]<<" ";
            }
        fout<<"\n";
        }
    return 0;
}