$RT$
by 奇米 @ 2020-06-29 19:34:01
~~你的做题偏好很奇怪~~
by UID341736 @ 2020-06-29 19:46:16
@[可可萝](/user/341736) 怎么奇怪了
by 奇米 @ 2020-06-29 19:55:23
alb就是要第一个出场(确信)
by YLZZZ @ 2020-06-29 19:59:35
@[奇米](/user/308464) 找到错误了
by 王奕清 @ 2020-06-29 20:11:35
倒数第六行,sum+(1ll<<b[i]-1)
改成sum+(1ll<<i-1)
by 王奕清 @ 2020-06-29 20:13:59
@[王奕清](/user/88004) 为什么啊
by 奇米 @ 2020-06-29 21:17:05