/C++/Random number generator c++ between 0 and 1

Random number generator c++ between 0 and 1

#include <time.h> // So we can use time() function
#include <iostream> // To output results to console

int main() // Main function required in all C++ programs and first function to be called
{
	srand( time(NULL) ); //Randomize seed initialization
	int randNum = rand() % 2; // Generate a random number between 0 and 1

	std::cout << randNum; // Output the results to console
	return 0; //Generate an "EXIT SUCCESS" return code
}

Source: cplusplus.com

C++ random number 0 to 1

#include <iostream>
#include <string>
#include <random>

int main() {
    std::mt19937 gen (123);
    std::uniform_real_distribution<double> dis(0.0, 1.0);
    double x = dis(gen);
    std::cout << x << std::endl;
}

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