#include <fstream>

using namespace std;
ifstream cin("royfloyd.in");
ofstream cout("royfloyd.out");

int a[101][101];
const int INF=1000000;

int main()
{
    int n,i,j,k;
    cin>>n;
    for(int i=1;i<=n;i++)
        for(j=1;j<=n;j++)
        {
            cin>>a[i][j];
            if(a[i][j]==0 and i!=j)
                a[i][j]=INF;
        }
    for(k=1;k<=n;k++)
        for(i=1;i<=n;i++)
            for(j=1;j<=n;j++)
            {
                if(a[i][j]>a[i][k]+a[k][j])
                    a[i][j]=a[i][k]+a[k][j];
            }
    for(i=1;i<=n;i++)
    {
        for(j=1;j<=n;j++)
            cout<<a[i][j]<<" ";
        cout<<endl;
    }
    return 0;
}