#include <fstream>

using namespace std;
ifstream in("royfloyd.in");
ofstream out("royfloyd.out");

int n, a[105][105];

int main()
{
    in >> n;
    for(int i=1; i<=n; i++)
        for(int j=1; j<=n; j++)
            in >> 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][k] && a[k][j] && i != j && (a[i][j] > a[i][k] + a[k][j] || !a[i][j]))
                    a[i][j] = a[i][k] + a[k][j];

    for(int i=1; i<=n; i++, out << '\n')
        for(int j=1; j<=n; j++)
            out << a[i][j] << ' ';
    return 0;
}