#include <fstream>
using namespace std;
ifstream cin("royfloyd.in");
ofstream cout("royfloyd.out");
int n,i,j,k,a[101][101];
int main()
{
    cin>>n;
    for(i=1;i<=n;i++)
        for(j=1;j<=n;j++)
            cin>>a[i][j];
    for(k=1;k<=n;k++) // consideram nodul k ca fiind nodul intermediar dintre nodul i si nodul j
        for(i=1;i<=n;i++)
            for(j=1;j<=n;j++){
                if(a[i][j]>a[i][k]+a[k][j]||(a[i][j]==0&&i!=j))
                    a[i][j]=a[i][k]+a[k][j];
            }
    for(i=1;i<=n;i++){
        for(j=1;j<=n;j++)
            cout<<a[i][j]<<" ";
        cout<<'\n';
    }
    return 0;
}