#include <fstream>
using namespace std;
ifstream f("royfloyd.in");
ofstream g("royfloyd.out");

int A[105][105], N;

int main()
{
    f>>N;
    for (int i=1; i<=N; i++)
        for (int j=1; j<=N; j++)
        {
            f>>A[i][j];
            if (i!=j && A[i][j]==0) A[i][j]=20000000000;
        }


    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];

    for (int i=1; i<=N; ++i && g<<'\n')
        for (int j=1; j<=N; ++j)
            g<<A[i][j]<<' ';

    return 0;
}