#include<fstream>
using namespace std;
ifstream f("royfloyd.in");
ofstream g("royfloyd.out");
const int nmax=103,oo=2e7;
int n,a[nmax][nmax];
int main()
{
    freopen("royfloyd.in","r",stdin);
    freopen("royfloyd.out","w",stdout);
    f>>n;
    for(int i=1;i<=n;i++){
        for(int j=1;j<=n;j++){
            f>>a[i][j];
            if(i!=j&&a[i][j]==0)a[i][j]=oo;
        }
    }
    for(int k=1;k<=n;++k){
        for(int i=1;i<=n;++i){
            for(int j=1;j<=n;++j)
                a[i][j]=min(a[i][j],a[i][k]+a[k][j]);
        }
    }
    for(int i=1;i<=n;i++){
        for(int j=1;j<=n;j++){
            if(a[i][j]==oo) g<<0<<" ";
            else g<<a[i][j]<<" ";
        }
        g<<'\n';

    }
}