hdu 5258 数长方形 离散化】的更多相关文章

数长方形 Time Limit: 20 Sec Memory Limit: 256 MB 题目连接 http://acm.hdu.edu.cn/showproblem.php?pid=5258 Description 小度熊喜欢玩木棒.一天他在玩木棒的时候,发现一些木棒会形成长方形.小度熊可能是处女座吧,他只会将木棒横竖摆放,这样会形成很多长方形.现在给你一些横竖摆放的木棒,请你帮小度熊数一数形成了多少个长方形. 为了简化题目,一个木棒的端点不会在另一个木棒上,也就是说,木棒的端点不会在长方形上…
任意门:http://acm.hdu.edu.cn/showproblem.php?pid=5258 数长方形 Time Limit: 2000/1000 MS (Java/Others)    Memory Limit: 32768/32768 K (Java/Others)Total Submission(s): 303    Accepted Submission(s): 159 Problem Description 小度熊喜欢玩木棒.一天他在玩木棒的时候,发现一些木棒会形成长方形.小度…
数长方形 Time Limit: 2000/1000 MS (Java/Others)    Memory Limit: 32768/32768 K (Java/Others)Total Submission(s): 152    Accepted Submission(s): 87 Problem Description 小度熊喜欢玩木棒.一天他在玩木棒的时候,发现一些木棒会形成长方形.小度熊可能是处女座吧,他只会将木棒横竖摆放,这样会形成很多长方形.现在给你一些横竖摆放的木棒,请你帮小度熊数…
Counting rectangles By counting carefully it can be seen that a rectangular grid measuring 3 by 2 contains eighteen rectangles: Although there exists no rectangular grid that contains exactly two million rectangles, find the area of the grid with the…
HDU 5862 Counting Intersections(离散化+树状数组) 题目链接http://acm.split.hdu.edu.cn/showproblem.php?pid=5862 Description Given some segments which are paralleled to the coordinate axis. You need to count the number of their intersection. The input data guarant…
Queue-jumpers Time Limit: 2000/1000 MS (Java/Others)    Memory Limit: 32768/32768 K (Java/Others) Total Submission(s): 3139    Accepted Submission(s): 848 Problem Description Ponyo and Garfield are waiting outside the box-office for their favorite mo…
Coconuts Time Limit: 9000/4500 MS (Java/Others)    Memory Limit: 65536/65536 K (Java/Others)Total Submission(s): 524    Accepted Submission(s): 151 Problem Description TanBig, a friend of Mr. Frog, likes eating very much, so he always has dreams abou…
题目链接: hdu:http://acm.hdu.edu.cn/showproblem.php?pid=5233 bc(中文):http://bestcoder.hdu.edu.cn/contests/contest_chineseproblem.php?cid=585&pid=1002 题解: 离散化之后,存在一张表里面(相同的值的id号用链表串起来,倒着存),每次查询完就把表首的删了,继续查. 之前离散的时候没有把查询的一起加进去,就一直t,估计是查询的时候很多是没有结果的,就会比较耗时间.…
数塔 http://acm.hdu.edu.cn/showproblem.php?pid=2084 Problem Description 在讲述DP算法的时候,一个经典的例子就是数塔问题,它是这样描述的: 有如下所示的数塔,要求从顶层走到底层,若每一步只能走到相邻的结点,则经过的结点的数字之和最大是多少?已经告诉你了,这是个DP的题目,你能AC吗?   Input 输入数据首先包括一个整数C,表示测试实例的个数,每个测试实例的第一行是一个整数N(1 <= N <= 100),表示数塔的高度,…
http://acm.hdu.edu.cn/showproblem.php?pid=2084 数塔 Time Limit: 1000/1000 MS (Java/Others)    Memory Limit: 32768/32768 K (Java/Others)Total Submission(s): 28668    Accepted Submission(s): 17230 Problem Description 在讲述DP算法的时候,一个经典的例子就是数塔问题,它是这样描述的: 有如下…