#include <fstream>

using namespace std;

const int maxn = 105;
const int Inf = 0x3f3f3f3f;

int rf[maxn][maxn], n;

int main()
{
    ifstream fin ("royfloyd.in");
    ofstream fout ("royfloyd.out");

    fin >> n;
    for (int i = 1; i <= n; ++i)
        for (int j = 1; j <= n; ++j)
        {
            fin >> rf[i][j];
            if(i != j && rf[i][j] == 0)
                rf[i][j] == Inf;
        }
    for (int k = 1; k <= n; ++k)
        for(int i = 1; i <= n; ++i)
            for (int j = 1; j <= n; ++j)
                rf[i][j] = min(rf[i][j], rf[i][k] + rf[k][j]);
    for (int i = 1; i <= n; ++i, fout << '\n')
        for(int j = 1; j <= n; ++j)
            fout << rf[i][j] << ' ';

    fin.close();
    fout.close();
}