#include<fstream>
using namespace std;
ifstream F("royfloyd.in");
ofstream G("royfloyd.out");
#define C(i) for(i=0;i<n;++i)
short d[100][100],n,i,j,k;
int main()
{
    F>>n;
    C(i)
        C(j)
            F>>d[i][j];
    C(k)
        C(i)
            C(j)
                if(i!=j&&d[i][k]&&d[k][j]&&(!d[i][j]||d[i][j]>d[i][k]+d[k][j]))
                    d[i][j]=d[i][k]+d[k][j];
    C(i) {
        C(j)
            G<<d[i][j]<<' ';
        G<<'\n';
    }
    return 0;
}