题意:拯救行动,天使r有多个朋友a(friends,在这里被坑了几次,没看清题意),天使被关在牢房里,等着朋友来拯救,求拯救天使的最短距离。解法:如果不剪枝,200*200的地图会超时,可以以天使为起点进行dfs,记录到达map[x][y]的最小值、到达每个a的最小值。#include #inclu...
                            
                            
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其他好文   时间:
2015-08-19 12:42:44   
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99
                             
                    
                        
                            
                            
                                You are going from Dhaka to Chittagong by train and you came to know one of your old friends is going from city Chittagong to Sylhet. You also know th...
                            
                            
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其他好文   时间:
2015-08-18 21:22:35   
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143
                             
                    
                        
                            
                            
                                http://acm.hdu.edu.cn/showproblem.php?pid=2680
Problem Description
One day , Kiki wants to visit one of her friends. As she is liable to carsickness , she wants to arrive at her friend’s home ...
                            
                            
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编程语言   时间:
2015-08-17 23:49:04   
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183
                             
                    
                        
                            
                            
                                Problem Description
There are n people
 and m pairs
 of friends. For every pair of friends, they can choose to become online friends (communicating using online applications) or offline friends (...
                            
                            
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其他好文   时间:
2015-08-17 19:34:53   
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114
                             
                    
                        
                            
                            
                                Friends
Time Limit: 2000/1000 MS (Java/Others)    Memory Limit: 65536/65536 K (Java/Others)
Total Submission(s): 1717    Accepted Submission(s): 854
Problem Description
There are n
 people an...
                            
                            
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其他好文   时间:
2015-08-17 15:37:42   
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116
                             
                    
                        
                            
                            
                                题目链接:点击打开链接
题目描述:给出n个数,求从这n个数中任意取出一些数(至少取一个)相互异或之后大于m的方案数?
解题思路:分析由于n
采用动态规划的思想dp[i&1][j]=d[(i-1)&1][j]+d[(i-1)&1][j^a[i]];由于40*10^6太大,所以此处我们采用滚动数组
代码:
#include 
#include 
using namespace std;
co...
                            
                            
                                分类:
移动开发   时间:
2015-08-14 21:36:54   
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610
                             
                    
                        
                            
                            
                                Choose the best routeProblem DescriptionOne day , Kiki wants to visit one of her friends. As she is liable to carsickness , she wants to arrive at her...
                            
                            
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其他好文   时间:
2015-08-12 23:00:14   
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119
                             
                    
                        
                            
                            
                                题目链接: 
https://uva.onlinejudge.org/index.php?option=com_onlinejudge&Itemid=8&page=show_problem&problem=1549题意:给定n个人m种朋友关系,求最大朋友圈的人数。裸并查集代码:
#include 
#include 
#include 
#i...
                            
                            
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其他好文   时间:
2015-08-12 16:47:32   
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178
                             
                    
                        
                            
                            
                                http://www.lanyingwang.com/friends-s01-s10-1994-2004-720p1080p-bluray-x264-publichd.htmlhttp://xidong.net/File001/File_21346.htmlhttp://xidong.net/Fil...
                            
                            
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其他好文   时间:
2015-08-10 23:36:34   
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152
                             
                    
                        
                            
                            
                                Problem Description
Angel was caught by the MOLIGPY! He was put in prison by Moligpy. The prison is described as a N * M (N, M 
Angel's friends want to save Angel. Their task is: approach Angel. W...
                            
                            
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其他好文   时间:
2015-08-10 22:06:45   
                                阅读次数:
102