#include <iostream>
#include <fstream>

using namespace std;
ifstream fin("royfloyd.in");
ofstream fout("royfloyd.out");
int a[101][101];
int main()
{
    int n,i,j,k;
    fin>>n;
    for(i=1;i<=n;i++)
        for(j=1;j<=n;j++)
        fin>>a[i][j];
   for(k=1;k<=n;k++)
    for(i=1;i<=n;i++)
        for(j=1;j<=n;j++)
                if(i!=j&&(a[i][k]&&a[k][j]&&(a[i][j]>a[i][k]+a[k][j]||!a[i][j])))
                     if(a[i][k]&&a[k][j]&&(a[i][j]>a[i][k]+a[k][j]||!a[i][j])&&i!=j)
                    a[i][j]=a[i][k]+a[k][j];

    for(i=1;i<=n;i++)
        {for(j=1;j<=n;j++)
        fout<<a[i][j]<<" ";
        fout<<'\n';}
    fin.close();
    fout.close();
    return 0;
}