#include

#include

#include

using namespace std;

//交集

void Intersection(int a[], int b[], int m, int n)

{

cout

for(int i = 0; i

{

for(int j = 0; j

{

if(a[i] == b[j])

{

cout

break;

}

}

}

cout

}

//並集

void AddSets(int a[], int b[], int m, int n)

{

int flag;

cout

for(int i = 0; i

{

flag = true;

for(int j = 0; j

{

if(a[i] == b[j])

{

flag = false;

break;

}

}

if(flag) cout

}

for(int j = 0; j

{

cout

}

cout

}

//差集

void SubSets(int a[], int b[], int m, int n)

{

int flag;

cout

for(int i = 0; i

{

flag = true;

for(int j = 0; j

{

if(a[i] == b[j])

{

flag = false;

break;

}

}

if(flag) cout

}

cout

}

void main()

{

int n1;

int n2;

int a[100];

int b[100];

cout

cin>>n1;

cout

for (int i = 0; i

{

cin>>a[i];

}

cout

cin>>n2;

cout

for (i = 0; i

{

cin>>b[i];

}

Intersection(a, b, n1, n2);

AddSets(a, b, n1, n2);

SubSets(a, b, n1, n2);

getchar();

}