Examveda

What will be the output of the following C++ code?
#include <iostream>
#include <complex>
using namespace std;
int main()
{
	complex <double> cn(3.0, 4.0);
	auto cnj = conj(cn);
	cout<<"Conjugate of "<<real(cn)<<"+("<<imag(cn)<<")i is: "<<real(cnj)<<"
        +("<<imag(cnj)<<")i"<<endl;
	return 0;
}

A. Conjugate of 3+(4)i is: 3+(4)i

B. Conjugate of 3+(4)i is: 3-(-4)i

C. Conjugate of 3+(4)i is: 3-(+4)i

D. Conjugate of 3+(4)i is: 3+(-4)i

Answer: Option D


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Related Questions on C plus plus miscellaneous

What is the difference between '++i' and 'i++' in C++?

A. None of the above

B. They both have the same effect

C. '++i' increments the value of 'i' before returning it, while 'i++' increments the value of 'i' after returning it

D. '++i' increments the value of 'i' after returning it, while 'i++' increments the value of 'i' before returning it