DescriptionOn a grid map there are n little men 
and n houses. In each unit time, every little man can move one unit step, either 
horizontally, or vert...
                            
                            
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其他好文   时间:
2014-07-22 23:15:37   
                                阅读次数:
331
                             
                         
                    
                        
                            
                            
                                半平面交模板const double pi= acos(-1.0);#define 
arc(x) (x / 180 * pi)const double EPS = 1e-8;const int Max_N = 105;struct Point{ 
double x,y; Point(){}...
                            
                            
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其他好文   时间:
2014-04-30 17:00:01   
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621
                             
                         
                    
                        
                            
                            
                                题意为从每行取一瓶花,每瓶花都有自己的审美价值第 i+1 行取的花位于第 i 
行的右下方求最大审美价值dp[i][j]:取到第 i 行,第 j 
列时所获得的最大审美价值动态转移方程:dp[i][j]=max(dp[i-1][j-1]+a[i][j],dp[i][j-1])代码如下:#includei...
                            
                            
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其他好文   时间:
2014-04-30 00:17:20   
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488
                             
                         
                    
                        
                            
                            
                                The Cow PromTime Limit:1000MSMemory 
Limit:65536KTotal Submissions:1132Accepted:713DescriptionThe N (2 2 #include 3 
#include 4 #include 5 #include ...
                            
                            
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其他好文   时间:
2014-04-29 21:40:26   
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564
                             
                         
                    
                        
                            
                            
                                StarsTime Limit: 2000/1000 MS (Java/Others)Memory 
Limit: 65536/32768 K (Java/Others)Total Submission(s): 4052Accepted 
Submission(s): 1592Problem Descr...
                            
                            
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其他好文   时间:
2014-04-29 21:00:23   
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621
                             
                         
                    
                        
                            
                            
                                Network of SchoolsTime Limit:1000MSMemory 
Limit:10000KTotal Submissions:10500Accepted:4189DescriptionA number of schools 
are connected to a computer n...
                            
                            
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其他好文   时间:
2014-04-29 20:33:42   
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567
                             
                         
                    
                        
                            
                            
                                DescriptionFarmer John completed his new barn 
just last week, complete with all the latest milking technology. Unfortunately, 
due to engineering probl...
                            
                            
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其他好文   时间:
2014-04-29 16:46:46   
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371
                             
                         
                    
                        
                            
                            
                                poj 1279 求半平面交的 
面积题目来源:http://poj.org/problem?id=1279分析: 求半平面交的 面积代码如下:const double EPS = 
1e-8;const int Max_N = 1505;struct Point{ double x,y; ...
                            
                            
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其他好文   时间:
2014-04-29 16:35:46   
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499
                             
                         
                    
                        
                            
                            
                                DescriptionLetxandybe two strings over some finite 
alphabetA. We would like to transformxintoyallowing only operations given 
below:Deletion:a letter i...
                            
                            
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其他好文   时间:
2014-04-29 16:22:00   
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450
                             
                         
                    
                        
                            
                            
                                一.基本算法: (1)枚举. (poj1753,poj2965) 
(2)贪心(poj1328,poj2109,poj2586) (3)递归和分治法. (4)递推. (5)构造法.(poj3295) 
(6)模拟法.(poj1068,poj2632,poj1573,poj2993,poj2996)二.图...
                            
                            
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其他好文   时间:
2014-04-29 11:27:47   
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489