#include <fstream>
using namespace std;

ifstream cin("royfloyd.cin");
ofstream cout("royfloyd.cout");

int a[101][101],n;

void warshall()
{
    int i, j, k;
    for (k=1;k<=n;k++)
        for(i=1;i<=n;i++)
            for(j=1;j<=n;j++)
                if(a[i][k]+a[k][j]<a[i][j])
                    a[i][j]=a[i][k]+a[k][j];
}

int main()
{
    int i,j;
    cin>>n;
    for(i=1;i<=n;i++)
        for (j=1;j<=n;j++)
        {
            cin>>a[i][j];
            if(a[i][j]==0 && i!=j)
                a[i][j]=10000000;
        }

    warshall();
    for(i=1;i<=n;i++)
    {
        for (j=1;j<=n;j++)
        cout<<a[i][j]<<" ";
        cout<<endl;
    }
    return 0;

}