请C语言高手帮我编写几个小程序~（一定要用C++编写噢~）
1、
#include
#include
void main()
{
char str[81];
int length;
int i;
printf( "please input a string:
" );
scanf( "%s", str );
length = strlen( str );
printf( "the result is:
" );
for( i = length - 1; i >= 0; i-- )
printf( "%c", str[i] );
return;
}
#include
using namespace std;
class Complex
{
public:
Complex( float x=0,float y=0):real(x),imag(y){}
Complex operator=(const Complex&);
~Complex(){}
friend istream& operator>>(istream &,const Complex&);
friend ostream& operator<<(ostream &,const Complex&);
friend Complex operator+(const Complex&,const Complex&);
friend Complex operator-(const Complex&,const Complex&);
friend Complex operator*(const Complex&,const Complex&);
friend Complex operator/(const Complex&,const Complex&);
Complex operator++();
Complex operator++(int);
Complex operator--();
Complex operator--(int);
Complex Power(int n);
float Fabs()const;
Complex Conjugate() const;//共轭复数
float Get_real()const {return real;}
float Get_imag()const {return imag;}
private:
float real,imag;
};
Complex Complex::operator=(const Complex&m)
{
real=m.Get_real();
imag=m.Get_imag();
return *this;
}
istream& operator>>( istream &input,const Complex &c)
{
input>>c.real>>c.imag;
return input;
}
ostream& operator<<( ostream &output,const Complex&c)
{
output<<"("<<c.real;
if(c.imag>=0)
cout<<"+";
cout<<c.imag<<"i"<<")"<<endl;
return output;
}
Complex operator+(const Complex &m,const Complex&n)
{
return Complex(m.real+n.real,m.imag+n.imag);
}
Complex operator-(const Complex &m,const Complex &n)
{
return Complex(m.real-n.real,m.imag-n.imag);
}
Complex operator*(const Complex &m,const Complex&n)
{
return Complex(m.real*n.real-m.imag*n.imag,m.real*n.imag+m.imag*n.real);
}
Complex operator/(const Complex &m,const Complex&n)
{
Complex temp;
temp=m*n.Conjugate();
temp.real=temp.real/n.Fabs();
temp.imag=temp.imag/n.Fabs();
return temp;
}
Complex Complex::operator++()
{
real++;
imag++;
return(*this);
}
Complex Complex::operator++(int)
{
Complex temp(*this);
real++;
imag++;
return(temp);
}
Complex Complex::operator--()
{
real--;
imag--;
return(*this);
}
Complex Complex::operator--(int)
{
Complex temp(*this);
real--;
imag--;
return(temp);
}
Complex Complex::Power(int n)
{
Complex temp(*this);
for(int i=1;i<n;i++)
temp=temp*(*this);
return temp;
}
float Complex::Fabs() const
{
return sqrt(real*real+imag*imag);
}
Complex Complex::Conjugate() const
{
return Complex(real,-imag);
}
int main()
{
Complex a(3,4),b(5,6),c,d;
cout<<"【前置++运算符重载】"<<endl;
cout<<"a="<<a<<"b="<<b<<endl;
cout<<"(++a)="<<++a<<"(++b)="<<++b<<endl;
cout<<"a="<<a<<"b="<<b<<endl;
cout<<"【后置++运算符重载】"<<endl;
cout<<"a="<<a<<"b="<<b<<endl;
cout<<"(a++)="<<a++<<"(b++)="<<b++<<endl;
cout<<"a="<<a<<"b="<<b<<endl;
cout<<"【前置--运算符重载】"<<endl;
cout<<"a="<<a<<"b="<<b<<endl;
cout<<"(--a)="<<--a<<"(--b)="<<--b<<endl;
cout<<"a="<<a<<"b="<<b<<endl;
cout<<"【后置--运算符重载】"<<endl;
cout<<"a="<<a<<"b="<<b<<endl;
cout<<"(a--)="<<a--<<"(b--)="<<b--<<endl;
cout<<"a="<<a<<"b="<<b<<endl;
cout<<"【+运算符重载】"<<endl;
cout<<"a="<<a<<"b="<<b<<endl;
cout<<"a+b="<<a+b<<endl;
cout<<"【-运算符重载】"<<endl;
cout<<"a="<<a<<"b="<<b<<endl;
cout<<"a-b="<<a-b<<endl;
cout<<"【*运符重载】"<<endl;
cout<<"a="<<a<<"b="<<b<<endl;
cout<<"a*b="<<a*b<<endl;
cout<<"【/运算符重载】"<<endl;
cout<<"a="<<a<<"b="<<b<<endl;
cout<<"a/b="<<a/b<<endl;
cout<<"【复数乘方】"<<endl;
cout<<"a="<<a<<"b="<<b<<endl;
cout<<"a^3="<<a.Power(3)<<endl<<"b^2="<<b.Power(2)<<endl;
cout<<"【复数取绝对值】"<<endl;
cout<<"a="<<a<<"b="<<b<<endl;
cout<<"|a|="<<a.Fabs()<<endl<<"|b|="<<b.Fabs()<<endl;
return 0;
}
void reverse_merge(List &A,List &B,List &C){
InitList(C);
i=j=1; k=0;
la_len=ListLength(A);
lb_len=ListLength(B);
while((i<=la_len)&&(j<=lb_len)){
GetElem(A,i,ai);
GetElem(B,i,bi);
if(ai<=bj){
ListInsert(C,++k,ai); ++i;}
else ListInsert(C,++k,bj); ++j;}
}
while(i<=la_len){
GetElem(A,i++,ai); ListInsert(C,++k,ai);}
while(j<=lb_len){
GetElem(B,j++,bj); ListInsert(C,++k,bj);}
}
第二个的话可以参考http://hi.baidu.com/mianchuang/blog/item/6632a4b383c64959082302b5.html
貌似书上是有滴，
数据结构（C语言版）严蔚敏 吴伟民 编著 —— 这我用过的教材
不过，是C写的伪代码，转换至C++也不难啊，懂得思想就简单了
这个。。。也来问啊
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