cyy.cpp

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 //#include   "stdafx.h"   
  #include   "iostream.h"   
  #include   "iomanip.h"   
  int   main(int   argc,   char*   argv[])   
  {     
  const   int   m=100;   
          int   k,i,j,x;   
  double   y=0;   
      cout<<"please   input   the   number:"<<endl;   
      cin>>k;   
      cout<<"please   input   the   letter:"<<endl;   
      char   a[m],c[m];   
      for(i=0;i<k;i++)   
      cin>>a[i];   
      /*for(i=0;i<k;i++)   
      cout<<a[i]<<"   ";*/   
      cout<<"please   input   the   probability:"<<endl;   
      double     b[m];   
      for(i=0;i<k;i++)   
      {cin>>b[i];y+=b[i];   
      if(b[i]<0||b[i]>1)   
      cout<<"error!";}   
      if(y!=1)   
      cout<<"error!";   
    //for(i=0;i<k;i++)   

    
  //   cout<<b[i]<<"   ";   
      double   low,high,h,t,num,sum;   
      cout<<"请输入左间隔:"<<endl;cin>>low;//cout<<low;   
      cout<<"请输入右间隔:"<<endl;cin>>high;//cout<<high;   
      cout<<"请输入m个系列数:"<<endl;   
      for(i=0;i<m;i++)   
      c[i]='*';   
      for(i=0;i<m;i++)   
      {   
      cin>>c[i];   
      if(c[i]=='*'||c[i]>'z'||c[i]<'a')   
      break;   
      }   
      //for(i=0;i<n;i++)   
  //   {   cout<<c[i]<<"   ";}   
    for   (i=0;i<m;i++)   
      {   
      for   (j=0;j<k;j++)   
      {   if(c[i]!=a[j])   
            break;   
      }   
    }   
    for   (i=0;i<m;i++)   
      {   
      for   (j=0;j<k;j++)   
      {   
    
                      if   (c[i]==a[j])   
      {   
    
    h=0;   
      for   (x=0;x<=j;x++)   
      {h+=b[x];}   
      t=high-low;   
      low=low+(h-b[j])*t;   
      high=high-t+h*t;   
      cout<<low<<","<<high<<endl;   
    
      }   
      }   
      }   
    /*cout<<"请输入左间隔:"<<endl;cin>>low;   
      cout<<"请输入右间隔:"<<endl;cin>>high;   
    cout<<"请输入区间范围的数num:"<<endl;   
    cin>>num;   
    while((high-low)>0.0000001)   
    {       
      sum=0;   
    for(i=0;i<k;i++)   
    {       
    sum+=b[i];   
    t=low+(high-low)*sum;   
    if(num<t)   
    {   
    low=low+(high-low)*(sum-b[i]);   
            cout<<setprecision(10)<<low<<",";   
    high=t;   
          cout<<setprecision(10)<<high<<",";   
    cout<<a[i]<<endl;   
    break;   
    }   
    }   
  }*/return   0;   
  }