单选题（每题 2 分，共 30 分） - Problem Statistics - 趣信奥

Status	Submit By	Time	Memory	Language	Code	Submit At
AC	王若兰	-	-		111 Bytes	2025-12-5 20:58:33
AC	7891	-	-		111 Bytes	2026-6-21 20:59:48

ID

3372

Time

1000ms

Memory

256MiB

Difficulty

1

Tags

栈

# Submissions

Accepted

2

Uploaded By