2015 ACM/ICPC Asia Regional Shanghai Online

题目在这里 上海赛区网络赛 5468 Puzzled Elena 5469 Antonidas 5470 Typewriter 5471 Count the Grid 5472 Code Formatting 5473 There was a kingdom 5474 A simple graph problem 5475 An easy problem 用线段树维护,貌似暴力也可以过。 5476 Explore Track of Point 几何先放一放 5477 A Sweet Journey 模拟题 5478 Can you find it

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