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HDU 1084 What Is Your Grade?（排序）

http 编程算法

题目在这里:1084 题目描述: “Point, point, life of student!” This is a ballad（歌谣）well known in colleges, an

2019-02-21

4280

POJ 2318--TOYS(二分找点，叉积判断方向)

TOYS Time Limit: 2000MS Memory Limit: 65536K Total Submissions: 17974 Accepted: 8539 Description

2019-02-20

3090

POJ 2398--Toy Storage(叉积判断，二分找点，点排序)

Toy Storage Time Limit: 1000MS Memory Limit: 65536K Total Submissions: 6534 Accepted: 3905 Description Mom and dad have a problem: their child, Reza, never puts his toys away when he is finished playing with them. They gave Reza a rectangular box to put his toys in. Unfortunately, Reza is rebellious and obeys his parents by simply throwing his toys into the box. All the toys get mixed up, and it is impossible for Reza to find his favorite toys anymore. Reza’s parents came up with the following idea. They put cardboard partitions into the box. Even if Reza keeps throwing his toys into the box, at least toys that get thrown into different partitions stay separate. The box looks like this from the top:

2019-02-20

2620

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