请问在哪个OJ上有 @[2252920923chy1](/space/show?uid=35221)
by TheSambra @ 2018-04-10 20:35:11
@[SOLDIER_76](/space/show?uid=34586) 我从老师哪儿偷得。
by 牵丝戏 @ 2018-04-10 20:38:43
...
by TheSambra @ 2018-04-10 20:39:41
又是到水题。。
by Siyuan @ 2018-04-10 20:48:52
water
by 扩散性百万甜面包 @ 2018-04-10 20:49:35
水啊水
by ylxmf2020 @ 2018-04-10 20:51:20
太难了！~~又是道水题~~
by hellomath @ 2018-04-10 22:37:39
一开始还以为是卡特兰数，结果发现(shuibaole)，虽然卡特兰数也shui；
by 陈曦 @ 2018-04-11 14:53:47