#include <fstream>

using namespace std;

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

const int NMAX = 105;
const int INF = 100005;
int c[NMAX][NMAX];
int n;

int main()
{
    int i,j,k;
    fin >> n;
    for(i=1;i<=n;++i)
        for(j=1;j<=n;++j)
            fin >> c[i][j];

    for(i=1;i<=n;++i)
        for(j=1;j<=n;++j)
            if(c[i][j] == 0)
                c[i][j] = INF;
    for(k=1;k<=n;++k)
        for(i=1;i<=n;++i)
            for(j=1;j<=n;++j)
                if(i!=j)
                    c[i][j] = min(c[i][j],c[i][k]+c[k][j]);

    for(i=1;i<=n;++i)
    {
        for(j=1;j<=n;++j)
            if(c[i][j] == INF)
                fout << "0 ";
            else
                fout << c[i][j] << ' ';
        fout << '\n';
    }
    return 0;
}