#include <iostream>
#include<fstream>

using namespace std;
int a[105][105],n;

void Citire()
{
    int i,j;
    ifstream fin("royfloyd.in");
    fin>>n;
    for(i=1;i<=n;i++)
        for(j=1;j<=n;j++)
        {
            fin>>a[i][j];
            if(a[i][j]==0)
                a[i][j]=200000000;
        }
    fin.close();

}
void Rez()
{
    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]!=200000000 && a[k][j]!=200000000 && (a[i][k] + a[k][j] < a[i][j]) && i!=j && j!=k &&i!=k)
                    a[i][j]=a[i][k] + a[k][j];
}

int main()
{
    int i,j;
    Citire();
    Rez();
    ofstream fout("royfloyd.out");
    for(i=1;i<=n;i++)
    {

         for(j=1;j<=n;j++)
            {
                if(a[i][j]==200000000)
                    fout<<"0 ";
                else fout<<a[i][j]<<" ";
            }
            fout<<"\n";
    }
    fout.close();

    return 0;
}