Rozwiązania zadań z automatow

automata/Task201.py

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+#!/usr/bin/python
+# -*- coding: utf-8 -*-
+
+def is_initial_state_a_final_one(automaton):
+    return automaton.is_final_state(automaton.get_initial_state())

automata/Task202.py

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+#!/usr/bin/python2
+# -*- coding: utf-8 -*-
+
+"""
+Rozwiązanie zadania 202
+"""
+
+def get_number_of_final_states(automaton):
+    counter = 0
+    for state in range(automaton.get_number_of_states()):
+        if automaton.is_final_state(state):
+            counter += 1
+    return counter

automata/Task203.py

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+#!/usr/bin/python2
+# -*- coding: utf-8 -*-
+
+"""
+Rozwiązanie zadania 203
+"""
+# from deterministic_automaton import DeterministicAutomaton
+def get_number_of_transitions(automaton, symbol):
+    counter = 0
+    for state in range(automaton.get_number_of_states()):
+        # print state, symbol, automaton.get_target_state(state, symbol)
+        if automaton.get_target_state(state, symbol) != None:
+            counter += 1
+    # print counter
+    return counter
+# if __name__ == '__main__':
+#     automaton = DeterministicAutomaton()
+
+#     state_a = automaton.add_state()
+#     state_b = automaton.add_state()
+#     state_c = automaton.add_state()
+
+#     automaton.mark_as_initial(state_b)
+#     automaton.mark_as_final(state_a)
+#     automaton.add_transition(state_b, 'b', state_a)
+#     automaton.add_transition(state_a, 'b', state_b)
+#     automaton.add_transition(state_c, 'b', state_a)
+#     get_number_of_transitions(automaton, 'a')

automata/Task204.py

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+#!/usr/bin/python2
+# -*- coding: utf-8 -*-
+
+"""
+Rozwiązanie zadania 204
+"""
+def get_number_of_loops(automaton, symbol):
+    counter = 0
+    for state in range(automaton.get_number_of_states()):
+        # print state, symbol, automaton.get_target_state(state, symbol)
+        if automaton.get_target_state(state, symbol) == state:
+            counter += 1
+    # print counter
+    return counter