Final version

u8/program.py

@@ -1,120 +0,0 @@
-import sys
-
-
-class Node:
-
-  def __init__(self, text):
-    self.text = text
-    self.right = None
-    self.left = None
-    self.otazka = text.endswith("?")
-
-
-def para_stromov(lines, index):
-  if index >= len(lines):
-    raise ValueError("Chybna databaza")
-
-  text = lines[index]
-  if not text:
-    raise ValueError("Chybna databaza")
-
-  node = Node(text)
-  index += 1
-
-  if node.otazka:
-    node.left, index = para_stromov(lines, index)
-    node.right, index = para_stromov(lines, index)
-
-  return node, index
-
-
-def pocet_nodov(node):
-  if not node:
-    return 0, 0
-
-  if node.otazka:
-    a_left, n_left = pocet_nodov(node.left)
-    a_right, n_right = pocet_nodov(node.right)
-    return 1 + a_left + a_right, n_left + n_right
-  else:
-    return 0, 1
-
-
-def main():
-  lines = []
-  while True:
-    try:
-      line = input()
-    except EOFError:
-      break
-    line = line.rstrip("\r")
-    if line == "":
-      lines.append("")
-      break
-    lines.append(line)
-
-  for line in sys.stdin:
-    lines.append(line.rstrip("\r\n"))
-
-  print("Expert zo zoo to vie.")
-
-  if not lines:
-    print("Chybna databaza")
-    return
-
-  try:
-    prvi = lines.index("")
-  except ValueError:
-    print("Chybna databaza")
-    return
-
-  stromlines = lines[:prvi]
-  vibir = [l.strip() for l in lines[prvi + 1 :] if l.strip() != ""]
-
-  if not stromlines:
-    print("Chybna databaza")
-    return
-
-  try:
-    root, druhy = para_stromov(stromlines, 0)
-  except Exception:
-    print("Chybna databaza")
-    return
-
-  if druhy != len(stromlines):
-    print("Chybna databaza")
-    return
-
-  n_pocet, a_pocet = pocet_nodov(root)
-
-  print(f"Pocet otazok: {n_pocet}")
-  print(f"Pocet odpovedi: {a_pocet}")
-  print("Odpovedajte 'a' pre prvu moznost alebo 'n' pre druhu moznost.")
-
-  potocni = root
-  viber_indx = 0
-
-  while potocni.otazka:
-    print(potocni.text)
-
-    if viber_indx >= len(vibir):
-      print("Koniec vstupu")
-      return
-
-    choice = vibir[viber_indx]
-    viber_indx += 1
-
-    if choice != "a" and choice != "n":
-      print("Nerozumiem")
-      return
-
-    if choice == "a":
-      potocni = potocni.left
-    else:
-      potocni = potocni.right
-
-  print(potocni.text)
-  print("Koniec")
-
-if __name__ == "__main__":
-  main()