#include<fstream>
using namespace std;
ifstream fin("royfloyd.in");
ofstream fout("royfloyd.out");
int mat[101][101], d[101][101];
int i, j, k, n;

int main(){
    fin >> n;
    for (i = 1; i <= n; i++)
        for (j = 1; j <= n; j++){
            fin >> mat[i][j];
            if (mat[i][j] == 0 and i != j)
                mat[i][j] = 999999;
        }
    for (i = 1; i <= n; i++)
        for (j = 1; j <= n; j++)
            for (k = 1; k <= n; k++)
                if (mat[i][j] > mat[i][k] + mat[k][j])
                    mat[i][j] = mat[i][k] + mat[k][j];
    for (i = 1; i <= n; i++){
        for (j = 1; j <= n; j++){
            fout << mat[i][j] << " ";
        }
        fout << '\n';
    }
    fin.close();
    fout.close();
}