#include <fstream>
using namespace std;
ifstream fin("royfloyd.in");
ofstream fout("royfloyd.out");
int main(){
    int mat[105][105];
    int n;

    fin >> n;

    for (int i = 1; i <= n; i++){
        for (int j = 1; j <= n; j++){
            fin >> mat[i][j];
            if (i != j && mat[i][j] == 0)
                mat[i][j] = 1e9;
        }
    }

    for (int k = 1; k <= n; k++){
        for (int i = 1; i <= n; i++){
            for (int j = 1; j <= n; j++){
                mat[i][j] = min(mat[i][j], mat[i][k] + mat[k][j]);
            }
        }
    }

    for (int i = 1; i <= n; i++){
        for (int j = 1; j <= n; j++){
            if (mat[i][j] == 1e9) {
                fout << 0 << " ";
                continue;
            }
            fout << mat[i][j] << " ";
        }
        fout << '\n';
    }
    return 0;
}