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Hardcore Cpp Study/첫숙제/Value Vs Reference/임민수

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~cpp 
#include <iostream>
using namespace std;
double cube(double a);
double refcube(double & ra);

void main()
{
      double x = 3.0;

      cout << cube(x);
      cout << " = " << x << " 곱 \n";
      cout << refcube(x);
      cout << " = " << x << " 곱 \n";
      return 0;
}

double cube(double a)
{
      a *= a * a;
      return a;
}

double refcube(double & ra)
{
      ra *= ra * ra;
      return ra;
}

결과

27 = 3
27 = 27

결과 .

  • main() void return 0 . -
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