Create m1429.py

Author: Zanger67

my-submissions/m1429.py

@@ -0,0 +1,22 @@
+class FirstUnique:
+
+    def __init__(self, nums: List[int]):
+        self.queue = deque(nums)
+        self.counter = Counter(nums)
+
+        while self.queue and self.counter[self.queue[0]] > 1 :
+            self.queue.popleft()
+
+    def showFirstUnique(self) -> int:
+        return -1 if not self.queue else self.queue[0]
+
+    def add(self, value: int) -> None:
+        self.counter[value] += 1
+        self.queue.append(value)
+        while self.queue and self.counter[self.queue[0]] > 1 :
+            self.queue.popleft()
+
+# Your FirstUnique object will be instantiated and called as such:
+# obj = FirstUnique(nums)
+# param_1 = obj.showFirstUnique()
+# obj.add(value)