#include <iostream>
#include <fstream>
using namespace std;
fstream f("royfloyd.in");
ofstream g("royfloyd.out");
int n,i,j,k,a[101][101];
int main()
{
    f>>n;
    for(i=1;i<=n;++i)
        for(j=1;j<=n;++j)
          f>>a[i][j];
    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;
}