#include <iostream>
#include <fstream>

using namespace std;

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

short int n;
short int a[101][101];

void RoyFloyd() {

    for(int k = 1; k <= n; k++){
        for(int i = 1; i <= n; i++) {
            for(int j = 1; j <= n; j++) {
                if(a[i][j] > a[i][k] + a[k][j] && i != j && i != k && j != k)
                    a[i][j] = a[i][k] + a[k][j];
            }
        }
    }
}

int main()
{
    fin >> n;
    for(int i = 1; i <= n; i++) {
        for(int j = 1; j <= n; j++) {

            fin >> a[i][j];
            if(a[i][j] == 0)
                a[i][j] = 1001;
        }
    }

    RoyFloyd();

    for(int i = 1; i <= n; i++) {
        for(int j = 1; j <= n; j++) {
            if(a[i][j] == 1001)
                fout << 0 << ' ';
            else
                fout << a[i][j] << ' ';
        }
        fout << '\n';
    }
    return 0;
}