F和J被我暴力跑过去了,F直接模拟,交换后再去求一次逆序对,跑过了https://ac.nowcoder.com/acm/contest/view-submission?submissionId=69080597
J题也模拟,每个节点往两侧拓展,n方跑过去了https://ac.nowcoder.com/acm/contest/view-submission?submissionId=69081571
F和J被我暴力跑过去了,F直接模拟,交换后再去求一次逆序对,跑过了https://ac.nowcoder.com/acm/contest/view-submission?submissionId=69080597
J题也模拟,每个节点往两侧拓展,n方跑过去了https://ac.nowcoder.com/acm/contest/view-submission?submissionId=69081571
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