last lab

labPython/lab16/task_2.py

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+class Node:
+    def __init__(self, data):
+        self.data = data
+        self.next = None
+
+
+def enqueue(head, tail, d):
+    node = Node(d)
+    if not head:
+        return node, node
+    tail.next = node
+    return head, node
+
+
+def merge(h1, h2):
+    if not h1:
+        return h2
+    if not h2:
+        return h1
+
+    if h1.data < h2.data:
+        head = h1
+        h1 = h1.next
+    else:
+        head = h2
+        h2 = h2.next
+
+    cur = head
+
+    while h1 and h2:
+        if h1.data < h2.data:
+            cur.next = h1
+            h1 = h1.next
+        else:
+            cur.next = h2
+            h2 = h2.next
+        cur = cur.next
+
+    cur.next = h1 if h1 else h2
+    return head
+
+
+def print_q(h):
+    while h:
+        print(h.data, end=" ")
+        h = h.next
+    print()
+
+
+h1 = t1 = None
+h2 = t2 = None
+
+while True:
+    try:
+        print("\n1 - создать очередь 1")
+        print("2 - создать очередь 2")
+        print("3 - объединить")
+        print("0 - выход")
+        c = input(">> ")
+
+        if c == "1":
+            h1 = t1 = None
+            for x in map(int, input().split()):
+                h1, t1 = enqueue(h1, t1, x)
+        elif c == "2":
+            h2 = t2 = None
+            for x in map(int, input().split()):
+                h2, t2 = enqueue(h2, t2, x)
+        elif c == "3":
+            res = merge(h1, h2)
+            print_q(res)
+        elif c == "0":
+            break
+    except:
+        print("Ошибка")