Description "Good man never makes girls wait or breaks an appointment!" said the mandarin duck father. Softly touching his little ducks' head, he told ...
分类:
其他好文 时间:
2017-09-08 23:55:38
阅读次数:
348
有向无环图(DAG,Directed Acyclic Graph)上的动态规划是学习动态规划的基础。很多问题都可以转化为DAG上的最长路、最短路或路径计数问题。 一、DAG模型 【嵌套矩形问题】 问题:有n个矩形,每个矩形可以用两个整数a、b描述,表示它的长和宽。矩形X(a , b)可以嵌套在矩形Y ...
分类:
其他好文 时间:
2017-09-08 19:34:22
阅读次数:
631
Things to Know Before Installing WordPress Before you begin the install, there are a few things you need to have and do. These are: Access to your web ...
分类:
其他好文 时间:
2017-08-26 19:48:43
阅读次数:
288
Command Network http://poj.org/problem?id=3164 Time Limit: 1000MS Memory Limit: 131072K Total Submissions: 18769 Accepted: 5392 Description After a lo ...
分类:
Web程序 时间:
2017-08-26 11:38:59
阅读次数:
238
地址:http://acm.split.hdu.edu.cn/showproblem.php?pid=6166 题目: Senior Pan Time Limit: 12000/6000 MS (Java/Others) Memory Limit: 131072/131072 K (Java/Oth ...
分类:
其他好文 时间:
2017-08-22 23:22:24
阅读次数:
403
题目链接:http://acm.hdu.edu.cn/showproblem.php?pid=5389 Problem Description Zero Escape, is a visual novel adventure video game directed by Kotaro Uchikos ...
分类:
其他好文 时间:
2017-08-09 20:09:38
阅读次数:
259
Problem Description Zero Escape, is a visual novel adventure video game directed by Kotaro Uchikoshi (you may hear about ever17?) and developed by Chu ...
分类:
其他好文 时间:
2017-08-08 09:23:53
阅读次数:
191
You are given a directed acyclic graph with n vertices and m edges. There are no self-loops or multiple edges between any pair of vertices. Graph can ...
分类:
编程语言 时间:
2017-08-05 14:55:36
阅读次数:
370
排序,顾名思义是进行排序,那么就有一个条件,就是可以排出结果。 比如A克B,B克C,C克A,,让你从A,B,C中选择出一个最牛逼的人,,那么这题就没有答案。 所以,条件就是不能出现环状。(即充要条件就是:有向无环图(Directed Acyclic Graph 简称DAG)) 比如,现在有一个兵乓球 ...
分类:
编程语言 时间:
2017-07-17 15:16:27
阅读次数:
163