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²¢ÇÒÕâ¸öËã·¨ÀûÓÃC(n,k) = C(n,n-k)À´¼ò»¯Ñî»ÔÈý½ÇµÄÊý×飬Ëã·¨µÄʱ¼ä¸´ÔӶȱȽϵ͡£
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Mail£ºrainday163@163.com
ÏÂÃæÊÇÎÒдµÄ´úÂë²¢¸½´ø²âÊÔº¯Êý£ºDev-C++ 4.9.9.2ϲâÊÔͨ¹ý¡£
/*---------------------------------------------------------------------
//file name:combination.cpp
//Coder: rainday163
//E-mail: rainday1631@163.com
//Create date: 2009.9.4
//Last modify date: 2009.9.28
//Test platform: WinXP sp2 & Dev-C++ 4.9.9.2
---------------------------------------------------------------------*/
#include <typeinfo>
#include <vector>
#include <stdexcept>
#include <iostream>
template <typename T1,typename T2>
T1 combination(T2 const &n,T2 const &k)
{
//ÀàÐͼì²é
if( !( (typeid(T1) == typeid(unsigned long long))
     ||(typeid(T1) == typeid(long long))
     ||(typeid(T1) == typeid(unsigned long))
     ||(typeid(T1) == typeid(long))
     ||(typeid(T1) == typeid(unsigned int))
     ||(typeid(T1) == typeid(int))
     ||(typeid(T1) == typeid(unsigned short))
     ||(typeid(T1) == typeid(short)) ) )
{
   throw std::out_of_range("Type of return value Error!");
}
if( !( (typeid(T2) == typeid(long))
     || (typeid(T2) == typeid(unsigned int))
     || (typeid(T2) == typeid(int))
     || (typeid(T2) == typeid(unsigned short))
     || (typeid(T2) == typeid(short))
      ) )
{
   throw std::out_of_range("Type of parameter Error!");
}
if((n|k)<0)//È·±£n,kΪÕýÖµ
{
   throw std::out_of_range("Error£ºnegative parameter!");
}
if(n<k)
 {
  throw std::out_of_range("Error£ºK > N ,Please check your input!");
&nb


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CAPTION: ¹ØÓÚC/C++ÖÐÄÚ´æ¿Õ¼äµÄ»®·Ö
AUTHOR: aIsland Õª×ÔÖйúITʵÑéÊÒ
DATE: 2010-05-30
E-MAIL: aIsland@live.cn
QQ: 418662213
P.S.
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     2.ÉùÃ÷aIsland ËùÊÕ¼µÄËùÓÐÎÄÕÂÆäÖø×÷Ȩ¶¼ÊôÓÚÔ­´´×÷Õß
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/*
* File: main.cpp
* Author: Vicky
*
* Created on 2010Äê5ÔÂ8ÈÕ, ÏÂÎç2:47
*/
#include <iostream>
using namespace std;
void swap(int x, int y) {
cout << "x and y swap before : " << x << "\t" << y << endl;
int i = x;
x = y;
y = i; ......

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int regcomp (regex_t *compiled, const char *pattern, int cflags)
& ......
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