#include <iostream>
#include<fstream>

using namespace std;
fstream f("royfloyd.in",ios::in),g("royfloyd.out",ios::out);
unsigned int n, a[100][100],i,j,k;

void citire()
{
    f>>n;
    for(i=1;i<=n;i++)
        for(j=1;j<=n;j++)
        f>>a[i][j];


}
int main()
{
    citire();
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]>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++)
            g<<a[i][j]<<" ";
            g<<endl;
       }

    return 0;
}