[C++] Make Random Number

RandomNumber.cpp

#include <iostream>
#include <cstdlib>
#include <ctime>

double makeRandomDouble() {
	return (double)rand() / RAND_MAX;
}

int main()
{
	srand((unsigned int)time(NULL));	// For making random number (set seed)
	for (int i = 0; i < 100; i++) {
		printf("%d\n", rand());
		printf("%lf\n", makeRandomDouble());	// Making double random number
	}
}