#include <fstream>
#define INF 1000000
using namespace std;

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

int N, M, A[101][101];

void Read()
{
    fin >> N;

    for(int i = 1; i <= N; i++)
        for(int j = 1; j <= N; j++)
           {
               fin >> A[i][j];
               if(A[i][j] == 0 && i != j) A[i][j] = INF;
           }

}

void RoyFloyd()
{
    for(int k = 1; k <= N; k++)
        for(int i = 1; i <= N; i++)
            for(int j = 1; j <= N; j++)
                if(A[i][j] > A[i][k] + A[k][j])
                    A[i][j] = A[i][k] + A[k][j];
}

void Write()
{
    for(int i = 1; i <= N; i++)
    {
        for(int j = 1; j <= N; j++)
            if(A[i][j] != INF)
                fout << A[i][j] << " ";
            else
                fout << "0 ";
            fout << "\n";
    }
}

int main()
{
    Read();
    RoyFloyd();
    Write();

    fin.close();
    fout.close();
    return 0;
}