#include <fstream>
#define nmax 101
using namespace std;
ifstream fin("royfloyd.in");
ofstream fout("royfloyd.out");
int n,A[nmax][nmax];
int main()
{
    int i,j,k;
    fin>>n;
    for(i=1;i<=n;i++)
        for(j=1;j<=n;j++)
             fin>>A[i][j];

    //Roy-Floyd
    for(k=1;k<=n;k++)
        for(i=1;i<=n;i++)
            for(j=1;j<=n;j++)
                 if(i != j && A[i][k] && A[k][j] && (A[i][j] > A[i][k] + A[k][j] || !A[i][j])) A[i][j] = A[i][k] + A[k][j];
    // Afisare
    for(i=1;i<=n;i++)
    {
        for(j=1;j<=n;j++)
            fout<<A[i][j]<<' ';
        fout<<'\n';
    }

    fin.close();
    fout.close();
    return 0;
}