211003

//////#include <iostream>

//////

//////using namespace std;

//////

//////int main()

//////{

////// cout << "Hello world!" << endl;

////// return 0;

//////}

///////////////////////////////////////////////////////////////////7

////#include <iostream>

////

////using namespace std;

////

////class Matrix{

////

////int a1,a2,a3,a4;

////

////public:

////

//// Matrix(int a1=0,int a2=0,int a3=0,int a4=0)

//// {

//// this->a1=a1; this->a2=a2; this->a3=a3; this->a4=a4;

//// }

////

//// void show();

////

//// friend Matrix& operator>>(Matrix& op, int* y);

//// friend Matrix& operator<<(Matrix& op, int* x);

////};

////

////void Matrix::show()

////{

////

//// cout << "Matrix= { " << a1 << ' ' << a2 << ' ' << a3 << ' ' << a4 << ' ' << "}" << endl;

////

////}

////

////Matrix& operator>>(Matrix& op, int* y)

////{

//// y[0]=op.a1;

//// y[1]=op.a2;

////

//// y[2]=op.a3;

////

//// y[3]=op.a4;

////

//// return op;

////

////}

////

////Matrix& operator<<(Matrix& op,int* x)

////{

//// op.a1 = x[0];

//// op.a2=x[1];

//// op.a3=x[2];

//// op.a4=x[3];

////

//// return op;

////}

////

////int main()

////

////{

////

//// Matrix a(4,3,2,1),b;

////

//// int x[4],y[4] = {1,2,3,4};

////

//// a >> x;

////

//// b << y;

////

////

//// for(int i=0;i<4; i++)

////

//// {

////

//// cout << x[i] << ' ';

////

//// }

////

//// cout << endl;

////

//// b.show();

////

////}

////

///*

//#include <iostream>

//using namespace std;

//class Circle

//{

//

//public:

// int radius;

//

// Circle(int radius=0)

// {

// this->radius=radius;

// }

//

// void show()

// {

// cout << "radius= " << radius << "인 원 " << endl;

// }

//

// friend Circle operator+(int n, Circle a);

//};

//Circle operator+(int n, Circle a)

//{

// Circle c;

// c.radius=n+a.radius;

// return c;

//}

//int main()

//{

// Circle a(5),b(4);

// b = 1 + a;

// a.show();

// b.show();

//}

//*/

//

//#include<iostream>

//

//class person {

//public:

// person() {

//

// }

// person(int p) {

//

// }

// char name;

// float height, weight, eye;

// void talk() {}

// void eat() {}

// void sleep() {}

//};

//

//class student : public person {

// student() {

//

// }

// student(int k) {

//

// }

// int korean, eng, studntNumber;

//

// void study() {}

//};

//

//int main() {

// student s(10);

// s.st

//

//}

//

#include <iostream>

#include <string>

using namespace std;

class point{

int x,y;

public:

void set(int x,int y) { this->x=x; this->y=y; }

void show() { cout << "(" << x << "," << y << ")"<< endl; }

};

class Colorprint: public point{

public:

void settcol(string color)

};