#include <iostream>
#include <fstream>

using namespace std;

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

int n, v[105][105];

void rf() {
   for(int k = 1; k <= n; k++)
        for(int i = 1; i <= n; i++)
            for(int j = 1; j <= n; j++)
                if(v[i][k] && v[k][j] && i!=j && (v[i][j] > v[i][k] + v[k][j] || !v[i][j]))
                    v[i][j] = v[i][k] + v[k][j];

}

int main()
{
    int i, j;
    in >> n;
    for(i = 1; i <= n; i++) {
        for(j = 1; j <= n; j++) {
            in >> v[i][j];
        }
    }
    rf();
    for(i = 1; i <= n; i++) {
        for(j = 1; j <= n; j++) {
            out << v[i][j] << " ";
        }
        out << endl;
    }
    in.close();
    out.close();
    return 0;
}