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zyj8119

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[½»Á÷] ¡¾×ªÌû¡¿¼¯ºÏÏàµÈµÄÃÉÌØ¿¨ÂÞËã·¨

CODE:
#include
#include
#include
#include

//============Ëæ»úÊýÀà=================
const unsigned long maxshort=65536L;
const unsigned long multiplier=1194211693L;
const unsigned long adder=12345L;

class RandomNumber
{
private:
  unsigned long randSeed;  //µ±Ç°ÖÖ×Ó
public:
  RandomNumber(unsigned long s=0);  //¹¹Ô캯Êý£¬È±Ê¡Öµ0±íʾÓÐϵͳ×Ô¶¯²úÉúÖÖ×Ó
  unsigned short Random(unsigned long n); //²úÉú0:n-1Ö®¼äµÄËæ»úÕûÊý
  double fRandom(void);   //²úÉú[0£¬1)Ö®¼äµÄËæ»úʵÊý
};

RandomNumber::RandomNumber(unsigned long s)
{//²úÉúÖÖ×Ó
if(s==0)
  randSeed=time(0);  //ÓÃϵͳʱ¼ä²úÉúÖÖ×Ó
else
  randSeed=s;        //ÓÉÓû§ÌṩÖÖ×Ó
}

unsigned short RandomNumber::Random(unsigned long n)
{//²úÉú0:n-1Ö®¼äµÄËæ»úÕûÊý
    randSeed = multiplier * randSeed + adder;
return(unsigned short)((randSeed>>16) % n);
}

double RandomNumber::fRandom(void)
{//²úÉú(0£¬1)Ö®¼äµÄËæ»úʵÊý
return Random(maxshort)/double(maxshort);
}
//===================================================


//=============ºÏ²¢ÅÅÐòËã·¨====================
template
void Merge(T *c,T *d,int l,int m,int r)
{
int i=l,
  j=m+1,
  k=l;
while((i<=m)&&(j<=r))
  if (c <=c[j]) d[k++]=c[i++];
  else d[k++]=c[j++];
if(i>m) for (int q=j;q<=r;q++)
    d[k++]=c[q];
else for(int q=i;q<=m;q++)
  d[k++]=c[q];
}

template
void MergePass(T *x,T *y,int s,int n)
{
int i=0;
while(i<=n-2*s)
{
  Merge(x,y,i,i+s-1,i+2*s-1);
  i=i+2*s;
}
if (i+s else for(int j=i;j<=n-1;j++)
   y[j]=x[j];
}



template
void MergeSort(T *a,int n)
{
T * b = new T[n];
int s=1;
while (s {
  MergePass(a,b,s,n);
  s+=s;
  MergePass(b,a,s,n);
  s+=s;
}
}

//==============¶þ·Ö²éÕÒËã·¨==================
template
int BinarySearch(T *a, const T & x,int n)
{//ÔÚa[0]<=a[1]<= ... <=a[n-1]ÖÐËÑË÷x,ÕÒµ½·µ»ØÆäλÖ㬷ñÔò·µ»Ø-1
int left=0;int right=n-1;
while(left <=right)
{
  int middle=(left+right)/2;
  if(x == a[middle]) return middle;
  if(x > a[middle])
   left=middle+1;
  else
   right=middle-1;
}
return -1;//δÕÒµ½x
}


//=========ÅжÏÁ½¸ö¼¯ºÏÏàµÈµÄÃÉÌØ¿¨ÂÞËã·¨==============
bool Equal(int *S,int *T,int n)
{//ÅжÏÁ½¸ö¼¯ºÏÏàµÈµÄÃÉÌØ¿¨ÂÞËã·¨
static RandomNumber rnd;
int i= rnd.Random(n);    //´Ó¼¯ºÏTÖÐËæ»úÑ¡ÔñÒ»¸öÔªËØ£¬ÅжÏËüÊÇ·ñÔÚ¼¯ºÏSÖУ¬
// cout << T <     if (BinarySearch(S,T,n)==-1) return false;  //²»ÔÚ,·µ»Øfalse,¼´¼¯ºÏ²»ÏàµÈ
return true;   //ÔÚ,·µ»Øtrue£¬¼´¼¯ºÏÏàµÈ
}

bool EqualMC(int *S,int *T,int n,double e)
{//ÖØ¸´¶à´Îµ÷ÓÃËã·¨Equal,È·±£´íÎóÂÊСÓÚe
    int k= int(ceil(log(e)/log(double(n-1)/double(n))));
// cout <<"k="<< k< for(int i=1;i<=k;i++)
{
//  cout <  ";
  if (!Equal(S,T,n))
  {
//   cout <    return false;
  }
}
return true;
}
int main()
{
int n;  //¼¯ºÏµÄÔªËØµÄ¸öÊý
int * S,*T; //´ý±È½ÏµÄÁ½¸ö¼¯ºÏ
int i;

ifstream InFile("input.txt",ios::nocreate); //¶ÁÈ¡input.txt

if(InFile.fail()) //¶ÁÈ¡Îļþʧ°Ü
{
  cout<<"the input.txt is not exist!"<   return(1);
}
InFile >> n ;  //¼¯ºÏµÄÔªËØµÄ¸öÊý
S=new int [n];
    for( i=0; i> S;  //¼¯ºÏSµÄ¸÷ÔªËØ
T=new int [n];
    for( i=0; i> T;  //¼¯ºÏTµÄ¸÷ÔªËØ

InFile.close();

//½«¼¯ºÏSµÄÔªËØ½øÐÐÅÅÐòÔ¤´¦Àí
MergeSort(S,n);

//cout <<"OK Sort"< // for (i=0;i // cout <
///*   
ofstream OutFile("output.txt");
double e=0.001;  //´íÎóµÄ¸ÅÂÊ
if (EqualMC(S,T,n,e))
  OutFile <<"YES";
else
  OutFile <<"NO";
delete []S;
delete []T;
return 0;
//*/

/*
//=========²âÊÔÓã¬Á¬ÐøÅжÏm´Î£¬¿´µÃµ½µÄ½á¹ûÕýÈ·µÄ´ÎÊýºÍ´íÎóµÄ´ÎÊý
int a=0,b=0,m=1;
double e=0.01;
for(i=1;i<=m;i++)
{
  if (EqualMC(S,T,n,e))
   a++;
  else
   b++;
}
cout <<"Yes " <     cout <<"NO  " < //==============================================================
*/

/*
//==========²úÉú²âÊÔÓÃÊý¾Ý===================
ofstream OutFile("input.txt");
n=10000;
OutFile<< n<     for( i= 0 ;i OutFile<     for( i= 0 ;i OutFile< //=========================================
*/

}


le e=0.01;
for(i=1;i<=m;i++)
{
  if (EqualMC(S,T,n,e))
   a++;
  else
   b++;
}
cout <<"Yes " <     cout <<"NO  " < //==============================================================
*/

/*
//==========²úÉú²âÊÔÓÃÊý¾Ý===================
ofstream OutFile("input.txt");
n=10000;
OutFile<< n<     for( i= 0 ;i OutFile<     for( i= 0 ;i OutFile< //=========================================
*/

}

[ Last edited by zyj8119 on 2010-10-17 at 01:27 ]
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