2017年4月9日
HDU 6022---MG loves set（K-D树）
摘要： 题目链接 Problem Description MG is an intelligent boy. One day he was challenged by the famous master called Douer: if the sum of the square of every elem 阅读全文
posted @ 2017-04-09 22:04 茶飘香~ 阅读(796) 评论(6) 推荐(0) 编辑