#include <bits/stdc++.h>

using namespace std;

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

int n, i, j, mat[100][100], k;

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