#include <fstream>

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

int d[105][105];

int main()
{
    int n, i, j, k;
    in >> n;
    for(i = 1; i <= n; i++)
        for(j = 1; j <= n; j++)
            in>>d[i][j];
    for(k = 1; k <= n; k++)
        for(i = 1; i <= n; i++)
            for(j = 1; j <= n; j++)
                if(i!=k && j!=k && i!=j && d[i][k] && d[k][j])
                    if(d[i][j] == 0 || d[i][k] + d[k][j] < d[i][j])
                        d[i][j] = d[i][k] + d[k][j];
    for(i = 1; i <= n; i++)
    {
        for(j = 1; j <= n; j++)
            out<<d[i][j]<< " ";
        out<<"\n";
    }

    return 0;
}