#include <fstream>

using namespace std;
int a[100][100],n;

ifstream in("royfloyd.in");
ofstream out("royfloyd.out");
void royfloyd()
{
    int i,j,k;
    for(k=1;k<=n;k++)
        for(i=1;i<=n;i++)
           for(j=1;j<=n;j++)
              if(a[i][k]!=0&&a[k][j]!=0&&((a[i][j]>a[i][k]+a[k][j])||(a[i][j]==0&&i!=j)))a[i][j]=a[i][k]+a[k][j];
}
int main()
{

    int i, j;
    in>>n;
    for(i=1;i<=n;i++)
        for(j=1;j<=n;j++)
            in>>a[i][j];

    royfloyd();
    for(i=1;i<=n;i++)
    {
        for(j=1;j<=n;j++)
            out<<a[i][j]<<" ";
        out<<"\n";
    }
    return 0;
}