Array Union

#include<iostream>

using namespace std;

void unesi(int *A, int n) {
	for (int i = 0; i < n; i++) {
		cout << "Unesite " << i + 1 << ". clan niza: "; cin >> A[i];
	}
}
void ispisi(int *A, int n) {
	cout << "---------------------------------------\n";
	cout << "Clanovi niza su: ";
	for (int i = 0; i < n; i++) {
		cout << A[i] << " ";
	}
	cout << endl;
	cout << "---------------------------------------\n";
	cout << endl;
}

void swap(int &A, int &B) {
	int temp;
	temp = A;
	A = B;
	B = temp;
}
void sortiraj(int *A, int n) {
	for (int i = 0; i < n - 1; i++) {
		for (int j = 0; j < n - 1; j++) {
			if (A[j] > A[j + 1]) {
				swap(A[j], A[j + 1]);
			}
		}
	}
}

void array_union(int *A, int a, int *B, int b, int *C,int c) {
	 int i = 0;
	 int j = 0;
	 int k = 0;
	 while (i < a&&j < b) {
		 if (A[i] < B[j]) {
			 C[k] = A[i];
			 i++; k++;
		 }
		 else if (A[i] > B[j]) {
			C[k] = B[j];
			k++; j++;
		 }
		 else {
			 C[k] = A[i];
			 k++; i++; j++;
			 c--;
		 }
	}
	for (; i < a; i++) {
		C[k] = A[i];
		k++;
	}
	for (; j < b; j++) {
		C[k] = B[j];
		k++;
	}
	ispisi(C, c);
}

int main() {

	int x;
	cout << "Unesite koliko zelite unijeti clanova niza: "; cin >> x;
	int *A = new int[x];
	unesi(A, x);
	sortiraj(A, x);
	ispisi(A, x);
	int y;
	cout << "Unesite koliko zelite unijeti clanova drugog niza: "; cin >> y;
	int *B = new int[y];
	unesi(B, y);
	sortiraj(B, y);
	ispisi(B, y);

	int z = x + y;
	int *C = new int[z];
	cout << "Unija clanova prvog i drugog niza\n";
	array_union(A, x, B, y, C,z);

	delete[] A;
	A = nullptr;
	delete[] B;
	B = nullptr;
	delete[]C;
	C = nullptr;

	system("pause");
	return 0;
}