#include <iostream>
#include <fstream>

using namespace std;

ifstream fin("royfloyd.in");
ofstream fout("royfloyd.out");
int n;
int a[101][101];
void RoyFloid()
{
    for(int k = 1; k <= n; ++ k)
        for(int i = 1; i <= n; ++ i)
             for(int j = 1; j <= n; ++ j)
                 if (i != j and a[i][k] > 0 and a[k][j] > 0 and a[i][j] > a[i][k] + a[k][j])
                     a[i][j] = a[i][k] + a[k][j];

}

int main()
{
    fin >> n;
    for (int i = 1; i <= n; i++)
        for (int j = 1; j <= n; j++)
            fin >> a[i][j];
    RoyFloid();
    for (int i = 1 ; i <= n; i++)
    {
        for (int j = 1; j <= n; j++)
            fout << a[i][j] << " ";
        fout << "\n";
    }


    return 0;
}