#include <iostream>
#include <algorithm>
#include <cmath>
#include <cstdlib>
#include <cstring>
#include <fstream>
#include <ctime>

#define EPS 1e-5    //定義精度常數(shù)

using namespace std;   //使用標(biāo)準(zhǔn)空間命名std

namespace NameCCom   //定義命名空間NameCCom
{
 class CCom    //定義一個(gè)CCom類
 {
 public:
  double Real,Image;//實(shí)部和虛部
 CCom(double real=0,double image=0)   //構(gòu)造函數(shù)
 {
  Real=real;
  Image=image;
 }
  friend istream & operator>>(istream &is,CCom &com);  //重載輸入
  friend ostream & operator<<(ostream &os,CCom &com);  //重載輸出
  CCom operator+(CCom &com);        //加法重載
  CCom operator-(CCom &com);        //減法重載
  CCom operator*(CCom &com);        //乘法重載
  CCom operator/(CCom &com);        //除法重載
  CCom operator+=(CCom &com);        //加法賦值重載
  CCom operator-=(CCom &com);        //減法賦值重載
  CCom operator*=(CCom &com);       //乘法賦值重載
  CCom operator/=(CCom &com);       //除法賦值重載
 };

 struct User   //定義用戶結(jié)構(gòu)體類型
 {
 char szName[20];  //用戶名
 }user;     //定義全局變量


 int CCom::operator>(CCom &com) //重載運(yùn)算符">"，比較模的大小
 {
 if(mod()>com.mod())
  return 1; //若大，則返回1
 else
  return 0; //否則，則返回0
 }
 int CCom::operator<(CCom &com) //重載運(yùn)算符"<"，比較模的大小
 {
 if(mod()<com.mod())
  return 1;   //若小，則返回1
 else
  return 0;   //否則，則返回0
 }
 int CCom::operator!=(CCom &com) //重載運(yùn)算符"!="，分別判斷復(fù)數(shù)的實(shí)部和虛部
 {
 if(*this==com)
  return 0;   //若相等，則返回0
 else
  return 1;   //否則，則返回1
 }

 istream & operator>>(istream &is,CCom &com) //重載輸入，可以輸入a+bi的形式
 {
 cout<<"請(qǐng)輸入復(fù)數(shù):";
 char s[80];
 is>>s;     //用字符串的形式接受復(fù)數(shù)
 int len=strlen(s);  //求出字符串的長(zhǎng)度
 int n=0,sign=1; //n為當(dāng)前從字符串中提取出來的數(shù)字，初始化為0；sign是標(biāo)記符號(hào)，初始化為正
 com.Image=com.Real=0;
 for(int k=0;k<len;k++) //判斷接受的字符串是否合法
 {
  if((s[k]<'0' || s[k]> '9') && (s[k]!='+' && s[k]!='-' && s[k]!='i'))
  {
  cout<<"error"<<endl;
  return is;   //錯(cuò)誤，輸出出錯(cuò)信息并返回
  }
 }
 for(int k=0;k<len;)  //順序識(shí)別字符串中各字符
 {
  if(n!=0 &&(s[k]=='-'||s[k]=='+')) //當(dāng)前字符是否是符號(hào)位
  {
  com.Real=sign*n; //sign是符號(hào)位，且n!=0，即n已被賦值，表明當(dāng)前讀取的是虛部的符號(hào)
  n=0;    //將原n*sign值賦給實(shí)部，將n清零，準(zhǔn)備接受虛部的值
  }
  if(s[k]=='-') //當(dāng)前字符為負(fù)號(hào)
  {
  sign=-1;k++;  //給符號(hào)標(biāo)志賦值
  }
  if(s[k]=='+') //當(dāng)前字符為正號(hào)
  {
  sign=1;k++;  //給符號(hào)標(biāo)志賦值
  }
  if(s[k]=='i') //當(dāng)前字符為'i'
  {
  if(k!=len-1)  //判斷字符'i'是否為字符串中作后一個(gè)字符
   cout<<"error\n"; //如果不是，說明復(fù)數(shù)數(shù)據(jù)格式錯(cuò)誤
  else
   com.Image=sign*n; //如果是最后一個(gè)字符，復(fù)數(shù)對(duì)象已接受完，用sign*n為虛部賦值
  break;
  }
  while(s[k]>='0' && s[k]<='9') //如果當(dāng)前字符在0～9之間，將數(shù)字字符轉(zhuǎn)換成數(shù)字?jǐn)?shù)值
  {
  n=n*10+s[k]-'0';
  k++;
  }
 }
 if(s[len-1]!='i' && n!=0)  //如果最后一個(gè)字符不是'i'，表示復(fù)數(shù)對(duì)象內(nèi)只有實(shí)部，沒有虛部
 {
  com.Real=n*sign;
 }
 return is;
 }

 ostream & operator<<(ostream &os,CCom &com) //重載輸入
 {
 if(fabs(com.Image)<EPS)  // 如果虛部為0
  os<<com.Real;   //只輸出實(shí)部
 else if((fabs(com.Real)<EPS)) //如果實(shí)部為0
   os<<com.Image<<"i"; //只輸出虛部
   else if(com.Image>0)
    os<<com.Real<<"+"<<com.Image<<"i";
    else
    os<<com.Real<<com.Image<<"i"; //虛部為正
 return os;
 }

 CCom CCom::operator+(CCom &com) //加法重載
 {
 CCom sum;
 sum.Real=Real+com.Real;  //實(shí)部相加
 sum.Image=Image+com.Image; //虛部相加
 return sum;
 }
 CCom CCom::operator-(CCom &com) //減法重載
 {
 CCom sub;
 sub.Real=Real-com.Real;  //實(shí)部相減
 sub.Image=Image-com.Image;  //虛部相減
 return sub;
 }
 CCom CCom::operator*(CCom &com) //乘法重載
 {
 CCom multi;
 multi.Real=Real*com.Real-Image*com.Image; //實(shí)部乘積
 multi.Image=Real*com.Image+Image*com.Real; //虛部乘積
 return multi;
 }
 CCom CCom::operator/(CCom &com) //除法重載
 {
 CCom div;
 div.Real=(Real*com.Real+Image*com.Image)/(com.Real*com.Real+com.Image*com.Image); //實(shí)部除積
 div.Image=(Image*com.Real-Real*com.Image)/(com.Real*com.Real+com.Image*com.Image); //虛部除積
 return div;
 }
 CCom CCom::operator+=(CCom &com) //重載加法賦值
 {
 Real=Real+com.Real;    //實(shí)部相加
 Image=Image+com.Image;   //虛部相加
 return *this;
 }
 CCom CCom::operator-=(CCom &com) //重載減法賦值
 {
 Real=Real-com.Real;   //實(shí)部相減
 Image=Image-com.Image;   //虛部相減
 return *this;
 }
 CCom CCom::operator*=(CCom &com) //重載乘法賦值
 {
 double nReal=Real*com.Real-Image*com.Image; //實(shí)部乘積
 double nImage=Real*com.Image+Image*com.Real; //虛部乘積
 Real=nReal;
 Image=nImage;
 return *this;
 }
 CCom CCom::operator/=(CCom &com) //重載除法賦值
 {
 double nReal=(Real*com.Real+Image*com.Image)/(com.Real*com.Real+com.Image*com.Image);  //實(shí)部除積
 double nImage=(Image*com.Real-Real*com.Image)/(com.Real*com.Real+com.Image*com.Image);  //虛部除積
 Real=nReal;
 Image=nImage;
 return *this;
 }
 int CCom::operator==(CCom &com)  //重載等于
 {
 if(Real==com.Real && Image==com.Image)
  return 1;
 else
  return 0;
 }

void Add()    //復(fù)數(shù)加法運(yùn)算函數(shù)
{
  CCom num1,num2,sum,Zero(0,0);
  cout<<"加法計(jì)算\n"<<"最少輸入兩個(gè)復(fù)數(shù),并且以0結(jié)束\n";
  cout<<"第一個(gè)復(fù)數(shù):";
  cin>>num1;
  cout<<"第二個(gè)復(fù)數(shù):";
  cin>>num2;
  sum=num1+num2;
  cout<<"第三個(gè)復(fù)數(shù):";
  cin>>num1;
  int i=4;
  while(!(num1==Zero))
  {
  sum=sum+num1;
  cout<<"第"<<i<<"個(gè)復(fù)數(shù):";
  cin>>num1;
  i++;
  }
  cout<<"加法結(jié)果是:"<<sum<<endl;
  cout<<"請(qǐng)按任意鍵繼續(xù)\n";
  cin.get();
  cin.get();
}

void Sub()   //復(fù)數(shù)減法運(yùn)算函數(shù)
{
  CCom num1,num2,sub,Zero(0,0);
  cout<<"最少輸入兩個(gè)復(fù)數(shù)，并且以0結(jié)束\n";
  cout<<"第1個(gè)復(fù)數(shù):";
  cin>>num1;
  cout<<"第2個(gè)復(fù)數(shù):";
  cin>>num2;
  sub=num1-num2;
  cout<<"第3個(gè)復(fù)數(shù):";
  cin>>num1;
  int i=4;
  while(!(num1==Zero))
  {
   sub=sub-num1;
   cout<<"第"<<i<<"個(gè)復(fù)數(shù):";
   cin>>num1;
   i++;
  }
  cout<<"減法結(jié)果是:"<<sub<<endl;
  cout<<"請(qǐng)按任意鍵繼續(xù)\n";
  cin.get();
  cin.get();
}

void Mul()      //復(fù)數(shù)乘法運(yùn)算函數(shù)
{
  CCom num1,num2,mul,Zero(0,0);
  cout<<"乘法計(jì)算\n"<<"最少輸入兩個(gè)復(fù)數(shù),并且以0結(jié)束\n";
  cout<<"第一個(gè)復(fù)數(shù):";
  cin>>num1;
  cout<<"第二個(gè)復(fù)數(shù):";
  cin>>num2;
  mul=num1*num2;
  cout<<"第三個(gè)復(fù)數(shù):";
  cin>>num1;
  int i=4;
  while(!(num1==Zero))
  {
   mul*=num1;
   cout<<"第"<<i<<"個(gè)復(fù)數(shù):";
   cin>>num1;
   i++;
  }
  cout<<"乘法結(jié)果是:"<<mul<<endl;
  cout<<"請(qǐng)按任意鍵繼續(xù)\n";
  cin.get();
  cin.get();
}

void Div()      //復(fù)數(shù)除法運(yùn)算函數(shù)
{
  CCom num1,num2,div,Zero(0,0);
  cout<<"除法計(jì)算\n"<<"最少輸入兩個(gè)復(fù)數(shù),并且以0結(jié)束\n";
  cout<<"第一個(gè)復(fù)數(shù):";
  cin>>num1;
  cout<<"第二個(gè)復(fù)數(shù):";
  cin>>num2;
  div=num1/num2;
  cout<<"第三個(gè)復(fù)數(shù):";
  cin>>num1;
  int i=4;
  while(!(num1==Zero))
  {
  div/=num1;
  cout<<"第"<<i<<"個(gè)復(fù)數(shù):";
  cin>>num1;
  i++;
  }
  cout<<"除法結(jié)果是:"<<div<<endl;
  cout<<"請(qǐng)按任意鍵繼續(xù)\n";
  cin.get();
  cin.get();
}

void Compare()    //兩復(fù)數(shù)比較函數(shù)
{
  CCom num1,num2;
  cout<<"請(qǐng)輸入兩個(gè)復(fù)數(shù)\n";
  cout<<"第一個(gè)復(fù)數(shù):";
  cin>>num1;
  cout<<"第二個(gè)復(fù)數(shù)\n";
  cin>>num2;
  if(num1==num2)
  cout<<"這兩個(gè)復(fù)數(shù)相等\n";
  else if(num1>num2)
  cout<<num1<<"的模大于"<<num2<<"的模\n";
  else if(num1<num2)
  cout<<num2<<"的模大于"<<num1<<"的模\n";
  else
  cout<<"這兩個(gè)復(fù)數(shù)的模相等\n";
  cout<<"請(qǐng)按任意鍵繼續(xù)\n";
  cin.get();
  cin.get();
}

void Jinzhi()    //實(shí)現(xiàn)進(jìn)制轉(zhuǎn)換
{
  long n;
  int p,c,m=0,s[100];
  cout<<"輸入要轉(zhuǎn)換的數(shù)字：\n";
  cin>>n;
  cout<<"輸入要轉(zhuǎn)換的進(jìn)制：\n";
  cin>>p;
  cout<<"("<<n<<")10="<<"(";

  while (n!=0)//數(shù)制轉(zhuǎn)換，結(jié)果存入數(shù)組s[m]
  {
  c=n%p;
  n=n/p;
  m++;s[m]=c; //將余數(shù)按順序存入數(shù)組s[m]中
  }
  for(int k=m;k>=1;k--)//輸出轉(zhuǎn)換后的序列
  {
  if(s[k]>=10) //若為十六進(jìn)制等則輸出相對(duì)應(yīng)的字母
 cout<<(char)(s[k]+55);
  else   //否則直接輸出數(shù)字
 cout<<s[k];
  }
  cout<<")"<<p<<endl;
  cout<<"請(qǐng)按任意鍵繼續(xù)\n";
  cin.get();
  cin.get();
}

void outpt()
{
 char szName[20];
 cout<<"請(qǐng)輸入您的姓名:";
 cin>>szName;
 system("cls");
 do
 {
  system("cls");
  cout<<"\t這是一個(gè)計(jì)算器，可實(shí)現(xiàn)以下功能，請(qǐng)按對(duì)應(yīng)的按鍵(0-6)\n\n\n";
  cout<<"\t*----------Hpioneer小計(jì)算器菜單---------*\n";
  cout<<"\t|  1:多個(gè)復(fù)數(shù)加法，以0結(jié)束   |\n";
  cout<<"\t|  2:多個(gè)復(fù)數(shù)減法，以0結(jié)束   |\n";
  cout<<"\t|  3:多個(gè)復(fù)數(shù)乘法，以0結(jié)束   |\n";
  cout<<"\t|  4:多個(gè)復(fù)數(shù)除法，以0結(jié)束   |\n";
  cout<<"\t|  5:復(fù)數(shù)比較      |\n";
  cout<<"\t|  6:進(jìn)制轉(zhuǎn)換      |\n";
  cout<<"\t|  0:退出程序      |\n";
  cout<<"\t|  請(qǐng)您選擇:      |\n";
  cout<<"\t*---------------------------------------*\n";
}

}

using namespace NameCCom;

int main(void) //主函數(shù)開始,void可以不寫
{
 int h;
 output();
 cin>>h;//每步操作
 if(h==1)  //用戶選1則調(diào)用Add()函數(shù)
  Add();
 else if(h==2) //用戶選2則調(diào)用Sub()函數(shù)
  Sub();
 else if(h==3) //用戶選3則調(diào)用Mul()函數(shù)
  Mul();
 else if(h==4) //用戶選4則調(diào)用Di

  v()函數(shù)
  Div();
 else if(h==5)  //用戶選6則調(diào)用Compare()函數(shù)
  Compare();
 else if(h==6) //用戶選7則調(diào)用函數(shù)Jinzhi()函數(shù)
  Jinzhi();
 else if(h==0)
  cout<<"非常感謝您的使用\n";
 else
  break;
 }
 return 0;
}