@[Wangbingxiang](/user/889828)
`st[i+1<<(j-1)][j-1]`改为`st[i+(1<<(j-1))][j-1]`
建议涉及位运算一律打括号
~~如果懂运算顺序也可以不打~~
by TLE_AK @ 2024-09-19 22:50:03
@[TLE_AK](/user/788951)
谢谢
by Wangbingxiang @ 2024-09-19 22:57:06