#include <iostream>
#include <fstream>

using namespace std;

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

int n, a[105][105];

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

}