#include<fstream>
using namespace std;
int main()
{
        ifstream cin("royfloyd.in");
ofstream cout("royfloyd.out");
        int i,j,k,n;
    cin>>n;
    int dist[n+3][n+3];
    for(i=1;i<=n;i++)
    {
        for(j=1;j<=n;j++)
        {
            int x;
            cin>>x;
            if(x!=0){
                    dist[i][j]=x;
        }
        dist[i][i]=0;
    }
    }
    for(k=1;k<=n;k++)
    {
        for(i=1;i<=n;i++)
        {
            for(j=1;j<=n;j++)
            {
                if(i!=j&&dist[i][k]&&dist[k][j]&&(!dist[i][j]||dist[i][j]>dist[i][k]+dist[k][j]))
                {
                    dist[i][j]=dist[i][k]+dist[k][j];
                }
            }
        }
    }
    for(i=1;i<=n;i++){
        for(j=1;j<=n;j++)cout<<dist[i][j]<<" ";
    cout<<endl;
    }
}