习题网址:http://poj.org/problem?id=3624试题分析:该类题通过限定物品总数量、总质量;并且初始化每个物品的起始质量和一个量化的性质。最后求解最值的量化性质的值是多少的问题。该类问题主要是可以通过:父问题的最优解依赖于一些子问题的 最优解 这就是所谓的最优子结构核心思想:d...
                            
                            
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其他好文   时间:
2014-07-16 23:44:24   
                                阅读次数:
418
                             
                    
                        
                            
                            
                                Description
Word puzzles are usually simple and very entertaining for all ages. They are so entertaining that Pizza-Hut company started using table covers with word puzzles printed on them, possibly ...
                            
                            
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其他好文   时间:
2014-07-16 14:42:26   
                                阅读次数:
311
                             
                    
                        
                            
                            
                                Description
Severe acute respiratory syndrome (SARS), an atypical pneumonia of unknown aetiology, was recognized as a global threat in mid-March 2003. To minimize transmission to others, the best s...
                            
                            
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其他好文   时间:
2014-07-16 14:29:06   
                                阅读次数:
195
                             
                    
                        
                            
                            
                                Frogger
Time Limit: 1000MS
 
Memory Limit: 65536K
Total Submissions: 24879
 
Accepted: 8076
Description
Freddy Frog is sitting on a stone in the middle of a lake. Sudde...
                            
                            
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其他好文   时间:
2014-07-16 13:48:50   
                                阅读次数:
486
                             
                    
                        
                            
                            
                                The Suspects
Time Limit: 1000MS
 
Memory Limit: 20000K
Total Submissions: 21544
 
Accepted: 10433
Description
Severe acute respiratory syndrome (SARS), an atypical pneumo...
                            
                            
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其他好文   时间:
2014-07-16 13:29:44   
                                阅读次数:
195
                             
                    
                        
                            
                            
                                Mobile phones
Time Limit: 5000MS
Memory Limit: 65536K
Total Submissions: 14329
Accepted: 6660
Description
Suppose that the fourth generation mobile phone base stations in the Tampere are...
                            
                            
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其他好文   时间:
2014-07-16 13:28:32   
                                阅读次数:
176
                             
                    
                        
                            
                            
                                Catch That Cow
Time Limit: 2000MS
 
Memory Limit: 65536K
Total Submissions: 45087
 
Accepted: 14116
Description
Farmer John has been informed of the location of a fugitiv...
                            
                            
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其他好文   时间:
2014-07-16 13:22:55   
                                阅读次数:
233
                             
                    
                        
                            
                            
                                The SuspectsTime Limit:1000MSMemory Limit:20000KTotal Submissions:21525Accepted:10426DescriptionSevere acute respiratory syndrome (SARS), an atypical ...
                            
                            
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其他好文   时间:
2014-07-16 12:08:54   
                                阅读次数:
249
                             
                    
                        
                            
                            
                                题意:
一个矩形中,有N个城市’*’,现在这n个城市都要覆盖无线,若放置一个基站,那么它至多可以覆盖相邻的两个城市。
问至少放置多少个基站才能使得所有的城市都覆盖无线?
s...
                            
                            
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其他好文   时间:
2014-07-16 08:15:58   
                                阅读次数:
222