210824

////////#include <iostream>

////////

////////using namespace std;

////////

////////int main()

////////{

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

//////// return 0;

////////}

//////#include <iostream>

//////

//////#include <string.h>

//////

//////#include <ctype.h>

//////

//////

//////using namespace std;

//////

//////class histogram{

//////

//////public:

//////

////// void put(string str);

//////

////// void putc(char c);

//////

////// void print();

//////

//////

//////};

//////

//////void histogram::put()

//////

//////{

//////

//////}

//////

//////void histogram::putc()

//////

//////{

//////

//////

//////}

//////

//////int main()

//////

//////{

//////

////// histogram histo;

//////

////// string str2;

//////

////// getline(cin,str2);

//////

////// int len;

//////

////// len=str2.length();

//////

//////

////// if(isalpha(str2))

//////

////// {

////// histo.put();

////// }

//////

////// else histo.putc();

//////

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

//////

////// {

//////

////// str2[i]=tolower(str2[i]);

//////

////// }

//////

////// histogram elvisHisto()

//////

////// cout << str2;

//////

//////}

////#include <iostream>

////#include <string.h>

////using namespace std;

////class histogram

////{

//// string arr;

//// int h[26] = {};

////public:

//// histogram(string arr){this->arr=arr;}

//// histogram() {this->arr ="";}

//// void put(string his);

//// void putc(char hh);

//// void print();

////};

////void histogram::put(string his)

////{

//// this->arr.append(his);

////

////}

////void histogram::putc(char hh)

////{

//// char buf[]={hh,'\0'};

//// this->arr.append(buf);

////}

////void histogram::print()

////{

//// for(int i = 0; i<26; i++)

//// {

//// h[i]=0;

//// }

//// cout << arr << endl;

//// for(int i = 0; i<arr.length(); i++)

//// {

//// if(isalpha(arr[i]))

//// {

//// char c = tolower(arr[i]);

//// h[c-'a']++;

//// }

//// }

//// int n=0;

//// for(int i=0;i<26;i++)

//// {

//// n+=h[i];

////

//// }

//// cout << "총 알파벳 수 " << n << endl;

//// for(int i = 0; i <26; i++)

//// {

//// cout << (char)(i+'a') << "(" << h[i] << ") " << ": ";

//// for(int j=0; j<h[i]; j++)

//// {

//// cout << '*';

//// }

//// cout << endl;

//// }

////}

////int main()

////{

//// histogram elvisHisto("Wise men say, only fools rush in But I can't help, ");

//// elvisHisto.put("falling in love with you");

//// elvisHisto.putc('-');

//// elvisHisto.put("Elvis Presley");

//// elvisHisto.print();

////

////}

////

////

#include <iostream>

using namespace std;

class C{

private:

int radius;

public:

C();

C(int ra);

~C();

double getArea() { return 3.14*3.14*radius;}

int getRadius() { return radius;}

void sett(int radius) {this ->radius=radius;}

};

C::C()

{

radius=1;

cout << "생성자 실행 radius = " << radius << endl;

}

C::C(int ra)

{

this->radius=ra;

cout << "생성자 실행 radius = " << radius << endl;

}

C::~C()

{

cout << "소멸자 실행 radius = " << radius << endl;

}

void increase(C c)

{

int r=c.getRadius();

c.sett(r+1);

}

int main()

{

C waffle(30);

increase(waffle);

cout << waffle.getRadius() << endl;

}

//#include <iostream>

//using namespace std;

//void swap(int a,int b)

//{

// int tmp;

// tmp=a;

// a=b;

// b=tmp;

//}

//int main()

//{

// int n=9,m=2;

// swap(m,n);

// cout << m << ' ' << n;

//}