C++ swap

C++ Swap

#include <iostream>
using namespace std;

int main() {
	// your code goes here
	double A, B, C, D;
	A = 4736.383;
	B = 7490.924;
	C = 1;
	D = 1;
	
	C = C * A;
	D = D * B;
	A = A - A;
	B = B - B;
	A = D;
	B = C;
	cout << "A ist jetzt B: \n" << A ;
	cout << endl;
    cout << "B ist jetzt A: \n"<< B;
	
	return 0;
}

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