chen_1111 @ 2024-07-27 12:28:49
Hack数据:
1
0 1
by chen_1111 @ 2024-07-27 12:30:24
正解:1
题解输出:+1
by Coffins @ 2024-07-27 13:55:13
题目要求a_n\neq 0
by squsea @ 2024-08-08 21:11:19
@Coffins 这个是n=0