#include <fstream>

using namespace std;

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

const int N=105, INF=1005;
int a[N][N],b[N][N],n;

int main()
{
    cin>>n;
    for(int i=1;i<=n;i++)
    {
        for(int j=1;j<=n;j++)
        {
            cin>>a[i][j];
            if(i==j)b[i][j]=0;
            else if(a[i][j]==0)b[i][j]=INF;
            else b[i][j]=a[i][j];
        }
    }
    for(int k=1;k<=n;k++)
    {
        for(int i=1;i<=n;i++)
        {
            for(int j=1;j<=n;j++)
            {
                 if(b[i][k] + b[k][j]<b[i][j])
                    b[i][j]=b[i][k] + b[k][j];
            }
        }
    }
    for(int i=1;i<=n;i++)
    {
        for(int j=1;j<=n;j++)
        {
            cout<<b[i][j]<<" ";
        }
        cout<<'\n';
    }
    return 0;
}