u Calculate e
Time Limit: 2000/1000 MS (Java/Others)    Memory Limit: 65536/32768 K (Java/Others)
Total Submission(s): 31968    Accepted Submission(s): 14314
Problem Description
A simple m...
                            
                            
                                分类:
其他好文   时间:
2014-12-02 13:34:06   
                                阅读次数:
131
                             
                         
                    
                        
                            
                            
                                描述
    In this problem, you are given two integers L and R, and your task is to calculate the sum of all the number's square between L and R(inclusive).
输入The first line contains an integer ...
                            
                            
                                分类:
其他好文   时间:
2014-12-02 11:55:51   
                                阅读次数:
181
                             
                         
                    
                        
                            
                            
                                Ugly Numbers
Time Limit: 1000MS
 
Memory Limit: 10000K
Total Submissions: 20851
 
Accepted: 9248
Description
Ugly numbers are numbers whose only prime factors are 2, 3 or...
                            
                            
                                分类:
其他好文   时间:
2014-12-01 01:12:44   
                                阅读次数:
196
                             
                         
                    
                        
                            
                            
                                今天隔壁室友让我帮他写一个晒素数的程序
我就写了一个  发现再int范围内的素数筛不出来,,,,
电脑只能跑到 2的29;
#include 
#include 
#include 
#include 
#include 
#include 
using namespace std;
typedef long long ll;
bool is_prime[1<<30];
int  prime...
                            
                            
                                分类:
其他好文   时间:
2014-11-30 23:19:58   
                                阅读次数:
215
                             
                         
                    
                        
                            
                            
                                DescriptionThe sequence of n ? 1 consecutive composite numbers (positive integers that are not prime and not equal to 1) lying between two successive ...
                            
                            
                                分类:
其他好文   时间:
2014-11-30 14:00:35   
                                阅读次数:
192
                             
                         
                    
                        
                            
                            
                                题目描述:
Create a class called Football. In football, scores are incremented by either
2, 3, or 7 points. Given a numerical input (integer between 1 and 75)
representing a final score, calculate the n...
                            
                            
                                分类:
其他好文   时间:
2014-11-28 18:21:33   
                                阅读次数:
276
                             
                         
                    
                        
                            
                            
                                ref: Calculate Field examplesEntering values with the keyboard is not the only way you can edit values in a table. In some cases, you might want to pe...
                            
                            
                                分类:
编程语言   时间:
2014-11-28 18:03:40   
                                阅读次数:
335
                             
                         
                    
                        
                            
                            
                                /*题意: 给出n个数(n#include #include using namespace std;typedef __int64 LL;const int maxn=1000;int prime[maxn],flag[maxn],num;int numc[maxn*100+5],f[maxn*1...
                            
                            
                                分类:
其他好文   时间:
2014-11-28 06:16:09   
                                阅读次数:
167
                             
                         
                    
                        
                            
                            
                                Prime Ring Problem
Time Limit: 4000/2000 MS (Java/Others)    Memory Limit: 65536/32768 K (Java/Others)
Total Submission(s): 28204    Accepted Submission(s): 12561
Problem Description
A rin...
                            
                            
                                分类:
其他好文   时间:
2014-11-27 20:33:38   
                                阅读次数:
238
                             
                         
                    
                        
                            
                            
                                题意太多我就不写了来说思路吧:刚看完这道题我有点蒙 不知道从何入手 后来看了大牛的博客才写出来这些,首先我们得先求出所有素数,然后用每个素数除就可以了,然后用p[i]来存个数下面看代码吧:#include#includeint is_prime(int n){ for(int i = 2;i*...
                            
                            
                                分类:
其他好文   时间:
2014-11-27 15:53:37   
                                阅读次数:
130