IwfWcf's OI Log: ZJU/ZOJ 1171 Sorting the Photos 解题报告

2008年7月29日星期二

ZJU/ZOJ 1171 Sorting the Photos 解题报告

题目大意是有n幅照片，有一些是正面朝上，有一些是反面朝上，你可以得到照片的朝向信息以及进行一个操作（将第一到第i张翻转），问最少要进行多少次操作才能使照片全部朝向一致。

很直观的贪心，凡遇到不同的就将前面的全部翻一次就是了……

3012585 2008-07-29 16:55:39 Accepted 1171 FPC 00:00.12 416K IwfWcf@LZOI

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