new

u8/program.py

@@ -0,0 +1,48 @@
+import sys
+
+
+class Node:
+    def __init__(self, text, left = None, right = None):
+        self.text = text
+        self.left = left
+        self.right = right
+
+def main():
+    print("Expert zo zoo to vie.")
+    input_data = sys.stdin.read()
+    lines = input_data.splitlines()
+    if not lines:
+        print("Chybna databaza")
+        return
+
+
+    q_counter = 0
+    a_counter = 0
+    idx = 0
+
+    def parse_tree():
+        nonlocal idx, q_counter, a_counter
+    if idx >= len(lines):
+        return None
+    line  = lines[idx]
+    idx = idx + 1
+
+
+    if line == "":
+        return None
+
+
+    if line.endswith('?'):
+        q_counter = q_counter + 1
+        left = parse_tree()
+        if left is None:
+            return None
+        right = parse_tree()
+        if right is None:
+            return None
+        return Node(line, left, right)
+    else:
+        a_counter = a_counter + 1
+        return Node(line)
+    
+