Question

How to print values in DEBUG mode (#define DEBUG) using C++

Answer 1

#include <iostream>

using std::cout;
using std::endl;

#define DEBUG

#ifndef DEBUG
#define PRINT(n)
#else
#define PRINT(n) \
   cout << #n << " = " << n << endl;
#endif

int main()
{
	int n = 100;
	
	PRINT(n);
	
	return 0;
}

/*
run:

n = 100

*/

 

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