210912

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

////////////

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

////////////

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

////////////{

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

//////////// return 0;

////////////}

////////////

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

////////////#include <string>

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

////////////void star(int a=5);

////////////void msg(int id=10, string text="");

////////////void star(int a)

////////////{

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

//////////// cout << '*';

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

////////////}

////////////void msg(int id, string text)

////////////{

//////////// cout << id << ' ' << text << endl;

////////////}

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

////////////{

//////////// star();

//////////// star(10);

////////////

//////////// msg();

//////////// msg(10,"Hello");

////////////}

//////////

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

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

//////////void f(char c=' ',int line=1);

//////////

//////////void f(char c,int line)

//////////{

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

////////// {

////////// for(int j=0;j<10;j++)

////////// {

////////// cout << c;

////////// }

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

////////// }

//////////}

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

//////////{

////////// f();

////////// f('%');

////////// f('@',5);

//////////}

////////

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

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

////////void fillline(int n=25,char c='*');

////////

////////void fillline(int n,char c)

////////{

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

//////// cout << c;

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

////////}

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

////////{

//////// fillline();

//////// fillline(10,'%');

////////}

//////

//////#include <iostream>

//////using namespace std;

//////class MV{

//////int *p;

//////int size;

//////public:

////// MV(int n=100)

////// {

////// p = new int [n];

////// size = n;

////// cout << size << endl;

////// }

////// ~MV() { delete [] p; }

//////};

//////int main()

//////{

////// MV *v1,*v2;

////// v1= new MV();

////// v2 = new MV(1024);

//////

////// delete v1;

////// delete v2;

//////}

////

////#include <iostream>

////using namespace std;

////class Math{

////public:

//// static int abs(int a) { return a>0?a:-a; }

//// static int max(int a,int b) { return a>b?a:b; }

//// static int min(int a,int b) { return a<b?a:b; }

////

////};

////int main()

////{

//// cout << Math::abs(-5) << endl;

//// cout << Math::max(10,8) << endl;

//// cout << Math::min(-3,-8) << endl;

////}

//

//#include <iostream>

//using namespace std;

//class C{

//private:

// static int numofC;

// int radius;

//public:

// C(int r=1);

// ~C() { numofC--;}

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

// static int gett() { return numofC; }

//};

//C::C(int r)

//{

// radius = r;

// numofC++;

//}

//int C::numofC = 0;

//int main()

//{

// C *p = new C[10];

// cout << "생존하고 있는 원의 개수 " << C::gett() << endl;

//

// delete [] p;

// cout << "생존하고 있는 원의 개수 " << C::gett() << endl;

//

// C a;

// cout << "생존하고 있는 원의 개수 " << C::gett() << endl;

//

// C b;

// cout << "생존하고 있는 원의 개수 " << C::gett() << endl;

//}

///////////////////////////////////////////////////////////////////////2번

/*#include <iostream>

using namespace std;

class P

{

int id;

double weight;

string name;

public:

P(int id1 = 1, double weight1 = 20.5, string name1 = "Grace")

{

id=id1;

weight=weight1;

name=name1;

}

void show()

{

cout << id << ' ' << weight << ' ' << name << endl;

}

};

int main()

{

P grace, ashley(2,20.5,"ashley"), helen(3,32.5,"helen");

grace.show();

ashley.show();

helen.show();

}*/

//////////////////////////////////////////////////////////////////4

/*#include <iostream>

using namespace std;

class MV{

int *mem;

int size;

public:

MV(int n=100,int val=0);

~MV() { delete [] mem; }

};

MV::MV(int n,int val)

{

mem= new int [n];

size = n;

for(int i=0;i<n;i++)

{

mem[i]=val;

}

cout << val << ' ' << n << endl;

}

int main()

{

MV *v1,*v2;

v1= new MV();

v2 = new MV(200,1);

delete v1;

delete v2;

}*/

#include <iostream>

#include <string>

#include <algorithm>

using namespace std;

class AU2{

int s1[];

int s2[];

int size;

public:

static int* concat(int s1[],int s2[], int size);

static int* remove(int s1[], int s2[], int size, int &retSize);

};

int* AU2::concat(int s1[],int s2[],int size)

{

int *v = new int[size*2];

for(int i=0; i<5; i++) {

v[i] = s1[i];

v[i+5] = s2[i];

}

return v;

}

int* AU2::remove(int s1[],int s2[],int size, int& retSize)

{

int *z = new int[size];

for(int i=0; i<5; i++) {

int j=0;

for(j=0; j<5; j++) {

if(s1[i]==s2[j]) {

break;

}

}

if(j==5) {

z[retSize++] = s1[i];

}

}

return z;

}

int main()

{

AU2 AU;

int retSize=0;

int n=5,s1[5]={},s2[5]={};

cout << "정수를 " << n << " 개 입력하라. 배열 x에 삽입한다>>";

for(int i=0;i<n;i++)

{

cin >> s1[i];

}

cout << "정수를 " << n << " 개 입력하라. 배열 y에 삽입한다> ";

for(int i=0;i<n;i++)

{

cin >> s2[i];

}

cout << "합친 정수 배열을 출력한다 " << endl;

int *v = AU.concat(s1, s2, 5);

for(int i=0; i<10; i++) {

cout << v[i] << ' ';

}

cout << AU.concat(s1,s2,n) << ' ';

int *z = AU.remove(s1,s2,n, retSize);

cout << "배열 x[]에서 y[]를 뺀 결과를 출력한다. 개수는 " << retSize << endl;

for(int i=0;i<retSize;i++)

{

cout << z[i] << ' ';

}

}

https://docs.microsoft.com/ko-kr/cpp/cpp/main-function-command-line-args