摘要：
Painting some colored segments on a line, some previously painted segments may be covered by some the subsequent ones. Your task is counting the segme 阅读全文
posted @ 2018-04-15 22:41
天之道，利而不害
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摘要：
Now Pudge wants to do some operations on the hook. Let us number the consecutive metallic sticks of the hook from 1 to N. For each operation, Pudge ca 阅读全文
posted @ 2018-04-15 13:41
天之道，利而不害
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The citizens of Bytetown, AB, could not stand that the candidates in the mayoral election campaign have been placing their electoral posters at all pl 阅读全文
posted @ 2018-04-15 12:47
天之道，利而不害
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