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ACM题目————Subsequence

Description A sequence of N positive integers (10 < N < 100 000), each of them less than or equal 10000, and a positive integer S (S &...

ACM 尺取法

2016-05-10

0 502

ACM题目————Face The Right Way

Description Farmer John has arranged his N (1 ≤ N ≤ 5,000) cows in a row and many of them are facing forward, like good cows. Some of th...

ACM 尺取法

2016-05-11

0 613