using namespace std;
#include<iostream>
#include<fstream>

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

int n;
int mat[101][101];

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