#include <fstream>
using namespace std;
ifstream in("royfloyd.in");
ofstream out("royfloyd.out");
int a[101][101],i ,j, k, n;
int main()
{
    in>>n;
    for(i=1;i<=n;i++)
        for(j=1;j<=n;j++)
        {
            in>>a[i][j];
           if(a[i][j]==0) a[i][j]=10000000;
        }
    for(k=1;k<=n;k++)
        for(i=1;i<=n;i++)
            for(j=1;j<=n;j++)
            {
             /*   if((a[i][k]+a[k][j]==a[i][j])&&(b[i][k]+b[j][k]>b[i][j]))
                {
                    b[i][j]=b[i][k]+b[j][k];
                }*/
                if(a[i][k]+a[k][j]<a[i][j])
                {
                    a[i][j]=a[i][k]+a[k][j];
                   // b[i][j]=b[i][k]+b[k][j];
                }
            }
    for(i=1;i<=n;i++)
    {
        for(j=1;j<=n;j++)
        {
            if(a[i][j]==10000000){out<<"0 ";}
            else out<<a[i][j]<<" ";
        }
        out<<"\n";
    }
   /* for(i=1;i<=n;i++)
    {
        for(j=1;j<=n;j++) out<<b[i][j]<<" ";
        out<<"\n";
    }*/
    return 0;
}