#include <fstream>
using namespace std;

ifstream fin("royfloyd.in");
ofstream fout("royfloyd.out");

int mat[101][101];
int N;

int main(int argc, char const *argv[])
{
    fin >> N;
    for (int i = 0; i < N; ++i) {
        for (int j = 0; j < N; ++j) {
            fin >> mat[i][j]; 
        }
    }

    for (int k = 0; k < N; ++k) {
        for (int i = 0; i < N; ++i) {
            for (int j = 0; j < N; ++j) {
                if (i != j && i != k && j != k && mat[i][k] > 0 && mat[k][j] > 0) {
                    if (mat[i][j] > mat[i][k] + mat[k][j] || mat[i][j] == 0) {
                        mat[i][j] = mat[i][k] + mat[k][j];
                    } 
                }
            }
        }
    }
    for (int i = 0; i < N; ++i) {
        for (int j = 0; j < N; ++j) {
            fout << mat[i][j] << ' ';
        }
        fout << '\n';
    }
    return 0;
}