06 2017 档案

hdu 5116--Everlasting L(计数DP)
摘要：题目链接 Problem Description Matt loves letter L.A point set P is (a, b)-L if and only if there exists x, y satisfying:P = {(x, y), (x + 1, y), . . . , (x 阅读全文
posted @ 2017-06-30 12:10 茶飘香~ 阅读(547) 评论(0) 推荐(0)
HDU 5113--Black And White(搜索+剪枝)
摘要：题目链接 Problem Description In mathematics, the four color theorem, or the four color map theorem, states that, given any separation of a plane into cont 阅读全文
posted @ 2017-06-25 20:47 茶飘香~ 阅读(421) 评论(0) 推荐(0)
hdu 5573---Binary Tree(构造)
摘要：题目链接 Problem Description The Old Frog King lives on the root of an infinite tree. According to the law, each node should connect to exactly two nodes 阅读全文
posted @ 2017-06-18 20:00 茶飘香~ 阅读(540) 评论(0) 推荐(0)
HDU 5517---Triple（二维树状数组）
摘要：题目链接 Problem Description Given the finite multi-set A of n pairs of integers, an another finite multi-set B of m triples of integers, we define the pr 阅读全文
posted @ 2017-06-13 10:01 茶飘香~ 阅读(291) 评论(0) 推荐(0)
hdu 5975---Aninteresting game（树状数组）
摘要：题目链接 Problem Description Let’s play a game.We add numbers 1,2...n in increasing order from 1 and put them into some sets.When we add i,we must create 阅读全文
posted @ 2017-06-06 20:36 茶飘香~ 阅读(718) 评论(0) 推荐(0)
hdu 5972---Regular Number(字符串匹配)
摘要：题目链接 Problem Description Using regular expression to define a numeric string is a very common thing. Generally, use the shape as follows:(0|9|7) (5|6) 阅读全文
posted @ 2017-06-04 19:44 茶飘香~ 阅读(812) 评论(0) 推荐(0)
HDU 4570---Multi-bit Trie（区间DP）
摘要：题目链接 Problem Description IP lookup is one of the key functions of routers for packets forwarding and classifying. Generally, IP lookup can be simplifi 阅读全文
posted @ 2017-06-03 14:21 茶飘香~ 阅读(293) 评论(0) 推荐(0)