#include<fstream>
#define inf 100000
using namespace std;
ifstream f("royfloyd.in");
ofstream g("royfloyd.out");
int a[50][50],n,i,j,k,gasit,c,ni,nf;
void lungime()
{
int i,j,k;
    for(k=1;k<=n;k++)
          for(i=1;i<=n;i++)
            for(j=1;j<=n;j++)
            if(i!=j&&a[i][j]!=0&&a[k][j]!=0&&(a[i][j]>a[i][k]+a[k][j])&&a[i][j]!=0)
              a[i][j]=a[i][k]+a[k][j];
}

int main()
{
    f>>n;
    for(i=1;i<=n;i++)
        for(j=1;j<=n;j++)
        f>>a[i][j];
    lungime();
    for(i=1;i<=n;i++)
    {
        for(j=1;j<=n;j++)
            g<<a[i][j]<<" ";
    g<<"\n";
    }
    return 0;
}