大概叫这个名字吧https://atcoder.jp/contests/abc380/tasks/abc380_e#include<bits/stdc++.h>#defineendl'\n'#definelowbit(x)(x&-x)usingnamespacestd;typedeflonglongll;typedefpair<int,int>pii;typedefpair<ll,ll>pll;c