create dev channel

zeta/py/completed/2164.py

@@ -0,0 +1,19 @@
+from collections import deque
+
+
+def solve(N):
+    queue = deque(range(1, N + 1))
+    cnt = 1
+    while len(queue) != 1:
+        if cnt % 2 == 0:
+            queue.append(queue.popleft())
+        else:
+            queue.popleft()
+        cnt += 1
+        cnt %= 2
+
+    return queue.pop()
+
+
+if __name__ == "__main__":
+    print(solve(int(input())))