수다닷컴

음 주석자체가이해가안되네여 소스가

소스주석을 모두 알고싶습니다 공부해야죠..

쉽게 소스 좀 달아주세요

// usingstllist.cpp : stl list 컨테이너의 사용
#include iostream
#include list
using namespace std;
class point {
public:
int m_x, m_y;
point(int x = 0, int y = 0)
: m_x(x), m_y(y)
{
}
void print() const
{
cout ( m_x , m_y );
}
};
class shape {
protected:
point m_start, m_end;
public:
shape();
shape(int x1, int y1, int x2, int y2);
void setstartpoint(int x, int y);
void setendpoint(int x, int y);
virtual void draw() const = 0;
};
shape::shape()
{
}
shape::shape(int x1, int y1, int x2, int y2)
: m_start(x1, y1), m_end(x2, y2)
{
}
void shape::setstartpoint(int x, int y)
{
m_start.m_x = x;
m_start.m_y = y;
}
void shape::setendpoint(int x, int y)
{
m_end.m_x = x;
m_end.m_y = y;
}
class rectangle : public shape
{
public:
rectangle();
rectangle(int x1, int y1, int x2, int y2);
int getwidth() const;
int getheight() const;
void draw() const;
};
rectangle::rectangle()
{
}
rectangle::rectangle(int x1, int y1, int x2, int y2)
: shape(x1, y1, x2, y2)
{
}
int rectangle::getwidth() const
{
int width = m_end.m_x - m_start.m_x;
return width 0 ? width : -width;
}
int rectangle::getheight() const
{
int height = m_end.m_y- m_start.m_y;
return height 0 ? height : -height;
}
void rectangle::draw() const
{
cout rectangle 그리기 : ;
m_start.print();
cout -- ;
m_end.print();
cout , 가로= getwidth() , 세로= getheight() \n;
}
class ellipse : public shape
{
public:
ellipse();
ellipse(int x1, int y1, int x2, int y2);
bool iscircle() const;
void draw() const;
};
ellipse::ellipse()
{
}
ellipse::ellipse(int x1, int y1, int x2, int y2)
: shape(x1, y1, x2, y2)
{
}
bool ellipse::iscircle() const
{
int width = m_end.m_x - m_start.m_x;
int height = m_end.m_y - m_start.m_y;
return (width == height);
}
void ellipse::draw() const
{
cout ellipse 그리기 : ;

m_start.print();
cout -- ;
m_end.print();
if( iscircle() )
cout == 원\n;
else
cout == 타원\n;
}
int main()
{
listshape* list1;
while(true)
{
int choice;
cout 도형의 종류 선택 (1. 직사각형 2. 타원 0. 종료) : ;
cin choice;
if( choice == 0 )
break;
if( choice 0 || choice 2 )
{
cout 잘못 입력하셨습니다.\n;
continue;
}
switch( choice )
{
case 1:
list1.push_back(new rectangle);
break;
case 2:
list1.push_back(new ellipse);
break;
}
int x, y;
cout 도형의 시작점 입력 : ;
&; cin x y;
shape*& pshape = list1.back();
pshape-setstartpoint(x, y);
cout 도형의 끝점 입력 : ;
cin x y;
pshape-setendpoint(x, y);
}
listshape*::iterator it;
for(it = list1.begin() ; it != list1.end() ; ++it)
(*it)-draw();
for(it = list1.begin() ; it != list1.end() ; ++it)
delete (*it);
return 0;
}
---------------------------------------------------------------------------------------------------
// countwords.cpp
#include iostream
#include string
#include map
using namespace std;
int main()
{
string s;
mapstring, int words;
cout 문자열을 입력하세요. 종료하려면 ctrl+z을 입력하세요.\n;
while( cin s )
words[s]++;
mapstring, int::iterator it;
for(it = words.begin() ; it != words.end() ; ++it)
cout it-first : it-second 번\n;
return 0;
}

신청하기