#include <iostream>
#include <fstream>

using namespace std;

const int INF = 0x3f3f3f3f;

int d[102][102];

int main()
{
    ifstream f("royfloyd.in");
    ofstream g("royfloyd.out");
    int n; f >> n;
    for(int i = 1; i <= n; i++)
        for(int j = 1; j <= n; j++)
        {
            f >> d[i][j];
            if(i != j && !d[i][j])
                d[i][j] = INF;
        }

    for(int k = 1; k <= n; k++)
        for(int i = 1; i <= n; i++)
            for(int j = 1; j <= n; j++)
                if(d[i][j] > d[i][k] + d[k][j])
                    d[i][j] = d[i][k] + d[k][j];

    for(int i = 1; i <= n; i++)
    {
        for(int j = 1; j <= n; j++)
            g << (d[i][j] == INF ? 0 : d[i][j]) << " ";
        g << '\n';
    }

    f.close();
    g.close();
    return 0;
}