#!/usr/bin/env bash
"""
File: adj2con.py
Author: Nina Chloe Kassandra Reiß <nina.reiss@nickr.eu>
Created on: Sa 18. Jul 11:30:03 CEST 2026
Description: Turn adjacency matrices into boolean connectivity matrix
"""
adjacency = [[1, 0, 1, 0, 0, 0], [0, 0, 0, 0, 1, 0], [1, 0, 0, 0, 0, 0],
             [0, 0, 0, 0, 1, 0], [0, 0, 0, 1, 0, 0], [0, 0, 0, 1, 1, 0]]


def warshall(adj):
    n = len(adj)

    # Kopie erzeugen
    R = [row[:] for row in adj]

    # Jeder Knoten ist von sich selbst erreichbar
    for i in range(n):
        R[i][i] = 1

    for k in range(n):
        for i in range(n):
            for j in range(n):
                R[i][j] = R[i][j] or (R[i][k] and R[k][j])

    return R


print(warshall(adjacency))