#include <fstream>
#define INF 100002
using namespace std;
ifstream cin("royfloyd.in");
ofstream cout("royfloyd.out");
int i, j, n, m, k;
int a[102][102];
int main() {
    cin>>n;
    for(i=1;i<=n;i++){
        for(j=1;j<=n;j++){
            cin>>a[i][j];
            if(i!=j && a[i][j]==0)
                a[i][j]=INF;
        }
    }
    for(k=1;k<=n;k++){
        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]=a[i][k]+a[k][j];
            }
        }
    }
    for(i=1;i<=n;i++){
        for(j=1;j<=n;j++){
            cout<<a[i][j]<<" ";
        }
        cout<<"\n";
    }


}