#include <fstream>

using namespace std;

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

int i,j,k,n,d[105][105];

int main()
{
    fin >> n;
    for (i=1;i<=n;i++) for (j=1;j<=n;j++) fin >> d[i][j];
    for (k=1;k<=n;k++) for (i=1;i<=n;i++) for (j=1;j<=n;j++) if (d[i][k]!=0 && d[k][j]!=0)
    {
        if (d[i][k]+d[k][j]<d[i][j]) d[i][j]=d[i][k]+d[k][j];
        if (i!=j && d[i][j]==0) d[i][j]=d[i][k]+d[k][j];
    }
    for (i=1;i<=n;i++)
    {
        for (j=1;j<=n;j++) fout << d[i][j] << " ";
        fout << "\n";
    }

    return 0;
}