21 Days Training // Day (15 2/3) Posted on 2025年8月10日 By c2022zyh 21 Days Training // Day (15 2/3)无评论 A. I’m a teapot Directly check the last 3 characters. Pass. Notice that when N \le 2 , you should directly skip. My experience : My 1st submission. (1) Pages: 1 2 3 4 5 6 训练日志