ACM学习历程——HDU2227 Find the nondecreasing subsequences（线段树 && dp）
摘要：
DescriptionHow many nondecreasing subsequences can you find in the sequence S = {s1, s2, s3, ...., sn} ? For example, we assume that S = {1, 2, 3}, an... 阅读全文
posted @ 2015-05-01 19:50 AndyQsmart 阅读(200) 评论(0) 推荐(0)
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