#include <fstream>
#define inf 1e9
using namespace std;
ifstream cin("royfloyd.in");
ofstream cout("royfloyd.out");
int n,a[101][101];
signed main()
{
    cin>>n;
    for(int i=1;i<=n;i++)
        for(int j=1;j<=n;j++){
            cin>>a[i][j];
            if(a[i][j]==0&&i!=j)
                a[i][j]=inf;
        }
    for(int k=1;k<=n;k++)
        for(int i=1;i<=n;i++)
            if(k!=i&&a[i][k]!=inf)
                for(int j=1;j<=n;j++)
                    if(k!=j&&i!=j&&a[k][j]!=inf)
                        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]==inf)
                a[i][j]=0;
            cout<<a[i][j]<<" ";
        }
        cout<<'\n';
    }
    return 0;
}