Anul 3 Semestrul 1

2025-02-06 20:33:26 +02:00
parent 0b130ee18c
commit 184f3bd92e
313 changed files with 348499 additions and 0 deletions
@@ -0,0 +1,46 @@
+class FiniteAutomata:
+    def __init__(self, file_path):
+        self.alphabet = set()
+        self.states = set()
+        self.transitions = {}
+        self.start_state = None
+        self.final_states = set()
+        self.read_fa(file_path)
+
+    def read_fa(self, file_path):
+        with open(file_path, "r") as file:
+            self.states = set(file.readline().strip().split())
+            self.alphabet = set(file.readline().strip().split())
+            self.start_state = file.readline().strip()
+            self.final_states = set(file.readline().strip().split())
+            for line in file:
+                state1, state2, char = line.strip().split()
+                if state1 not in self.transitions:
+                    self.transitions[state1] = {}
+                if char not in self.transitions[state1]:
+                    self.transitions[state1][char] = []
+                self.transitions[state1][char].append(state2)
+        
+    def is_accepted(self, word):
+        current_states = [self.start_state]
+        for char in word:
+            new_states = []
+            for state in current_states:
+                if state in self.transitions and char in self.transitions[state]:
+                    new_states.extend(self.transitions[state][char])
+            current_states = new_states
+        return any(state in self.final_states for state in current_states)
+    
+    def isNFA(self):
+        for state in self.transitions:
+            for char in self.transitions[state]:
+                if len(self.transitions[state][char]) > 1:
+                    return True
+        return False
+    
+
+fa = FiniteAutomata("FA.in")
+print(fa.isNFA())
+print(fa.is_accepted("1312"))
+print(fa.is_accepted("12321"))
+print(fa.is_accepted(""))