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优先队列+栈
#pragma GCC optimize("O3")
#pragma GCC optimize("unroll-loops")
#pragma GCC target("avx,avx2,fma")
#include <bits/stdc++.h>
有几个序列(依次编号为 0,1,....,n−1 ),初始时各个序列都为空。你的任务是维护这 n 个序列,需要进行的各种操作的表示与意义如下:
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