>>310>>311
変だな。何もエラーが出ないよ。

//
// complex.cpp
//
#include <complex>
#include <iostream>

int main()
{
std::complex<double> a(1.2, 3.4);
std::complex<double> b(-9.8, -7.6);

a += b;
a /= sin(b) * cos(a);
b *= log(a) + pow(b, a);
std::cout << "a = " << a << ", b = " << b << std::endl;
}