#include <fstream>

using namespace std;
ifstream cin ("royfloyd.in");
ofstream cout ("royfloyd.out");
const int inf = 1e9;
int v[105][105];
int main()
{
    ios::sync_with_stdio(false);
    cin.tie(0);
    cout.tie(0);
    int n;
    cin >> n;
    for(int i=1;i<=n;i++)
    {
        for(int j=1;j<=n;j++)
        {
            cin >> v[i][j];
            if(v[i][j] == 0)
                v[i][j] = 1e9;
        }
    }
    for(int k=1;k<=n;k++)
        for(int i=1;i<=n;i++)
            for(int j=1;j<=n;j++)
                if(v[i][j] > v[i][k] + v[k][j] && i!=j)
                    v[i][j] = v[i][k] + v[k][j];
    for(int i=1;i<=n;i++)
    {
        for(int j=1;j<=n;j++)
        {
            if (v[i][j] == 1e9)
                v[i][j] = 0;
            cout << v[i][j] << ' ';
        }
        cout << '\n';
    }
    return 0;
}