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题目描述 As a New Yorker you are always very busy. Apart from your long work day you tend to have a very long list oferrands that need to be done on any p 阅读全文
posted @ 2018-04-08 22:28
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Traffic LightTime Limit: 1 Second Memory Limit: 131072 KB DreamGrid City is a city with intersections arranged into a grid of rows and columns. The in 阅读全文
posted @ 2018-04-08 01:07
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Mergeable StackTime Limit: 2 Seconds Memory Limit: 65536 KB Given initially empty stacks, there are three types of operations: 1 s v: Push the value o 阅读全文
posted @ 2018-04-08 00:56
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