#include <fstream>

using namespace std;
ifstream f("royfloyd.in");
ofstream g("royfloyd.out");
int a[101][101], n;
int main() {
    f >> n;
    for (int i = 0; i < n; ++i)
        for (int j = 0; j < n; ++j)
            f >> a[i][j];

    for (int i = 0; i < n; ++i)
        for (int j = 0; j < n; ++j)
            for (int k = 0; k < n; ++k)
                if((a[i][j]>a[i][k]+a[k][j] || !a[i][j]) && a[i][k] && a[k][j] && i!=j)
                    a[i][j]=a[i][k]+a[k][j];

    for(int i = 0 ; i < n ;++i)
    {
        for(int j = 0 ; j < n ;++j)
            g<<a[i][j]<<" ";
        g<<'\n';
    }

                return 0;
}