#include <fstream>
#define inf 0x3f3f3f3f
using namespace std;
ifstream fin("royfloyd.in");
ofstream fout("royfloyd.out");
const int nmax = 105;
int n;
int roy[nmax][nmax];
int main()
{
    fin >> n;
    for(int i = 1; i <= n; i++)
    {
        for(int j = 1; j <= n; j++)
        {
            int c; fin >> c;
            if(i == j)
                roy[i][j] = 0;
            else
            {
                if(c == 0)
                {
                    roy[i][j] = inf;
                }
                else roy[i][j] = c;
            }
        }
    }
    for(int k = 1; k <= n; k++)
    {
        for(int i = 1; i <= n; i++)
        {
            for(int j = 1; j <= n; j++)
            {
                if(roy[i][j] > roy[i][k] + roy[k][j])
                    roy[i][j] = roy[i][k] + roy[k][j];
            }
        }
    }
    for(int i = 1; i <= n; i++)
    {
        for(int j = 1; j <= n; j++)
        {
            fout << roy[i][j] << " ";
        }
        fout << "\n";
    }
    return 0;
}