Generate random number in c++

C++ program for Generate random number . Here problem description and explanation.

#include<iostream>
#include<time.h>
#include<stdlib.h>
using namespace std;
/*
 C++ program for
 Find random number
*/
class MyNumber {
	public:

		// Print random number in given size
		void simple_random(int size) {
			int number = 0;
			int i = 0;
		
			while (i < size) {
				// Get new rand number
				number = rand();
				cout << number << "\n";
				i++;
			}
		}
	void random_between_range(int first, int last) {
		// Calculate random number
		int number =  rand()%((last+1)-first) + first;
		cout << number << "\n";
	}
};
int main() {
  	srand(time(NULL));  
	MyNumber obj;
	// Test Case
	obj.simple_random(3);
	// Range from 1 to 10
	obj.random_between_range(1, 10);
	// Range from 50 to 100
	obj.random_between_range(50, 100);
	// Range from 1000 to 2000
	obj.random_between_range(1000, 2000);
	return 0;
}

Output

1650166741
1491917612
1429482809
4
75
1046