#include <fstream>

using namespace std;
ifstream cin ("royfloyd.in");
ofstream cout ("royfloyd.out");
int a[101][101],n;
void royfloyd()
{
    for(int k=1;k<=n;k++)
        for(int i=1;i<=n;i++)
            for(int j=1;j<=n;j++)
                if(a[i][k]+a[k][j]<=a[i][j] and a[i][j]!=0)
                    a[i][j]=a[i][k]+a[k][j];
}
int main()
{
    cin>>n;
    for(int i=1;i<=n;i++)
        for(int j=1;j<=n;j++)
            cin>>a[i][j];
    royfloyd();
    for(int i=1;i<=n;i++)
    {
        for(int j=1;j<=n;j++)
            cout<<a[i][j]<<" ";
        cout<<"\n";
    }
    return 0;
}