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CF527 ABCDE

来源:程序员人生   发布时间:2015-04-21 08:23:17 阅读次数:2988次

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  • CF527A Playing with Paper
  • CF527B Error Correct System
  • CF527C Glass Carving
  • CF527D Clique Problem
  • CF527E Data Center Drama

CF527A Playing with Paper

Divide.

Code

CF527B Error Correct System

Greedy.

Code

CF527C Glass Carving

O(nlogn): use stl set and upper_bound.
O(n): solve the problem from the last query to the first.

Code

CF527D Clique Problem

Find the maximum set of intervals which are not intersect with each other. Sort the intervals by their right position and choose them greedily.

Code

CF527E Data Center Drama

Eulerian Cycle.

Code

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