希望可以学CF,加强数据重测!
方法1:假设最大的链的起始点位于数组的前500或者前1000以内
https://ac.nowcoder.com/acm/contest/view-submission?submissionId=61052195
方法2:XJB-DP
输入
7
5 6 7 8 4 3 2
https://ac.nowcoder.com/acm/contest/view-submission?submissionId=61059937
方法3:
输入
1
2
https://ac.nowcoder.com/acm/contest/view-submission?submissionId=61051015
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