/* Test Random Number Generation (TestRand.cpp) */
#include <iostream>
#include <cstdlib>  // for rand(), srand()
#include <ctime>    // for time()
using namespace std;

int main() {
   // rand() generate a random number in [0, RAND_MAX]
   cout << "RAND_MAX is " << RAND_MAX << endl;   // 32767

   // Generate 10 pseudo-random numbers between 0 and 99
   //   without seeding the generator.
   // You will get the same sequence, every time you run this program
   for (int i = 0; i < 10; ++i) {
      cout << rand() % 100 << " ";   // need <cstdlib> header
   }
   cout << endl;

   // Seed the random number generator with current time
   srand(time(0));   // need <cstdlib> and <ctime> header
   // Generate 10 pseudo-random numbers
   // You will get different sequence on different run,
   //   because the current time is different
   for (int i = 0; i < 10; ++i) {
      cout << rand() % 100 << " ";   // need <cstdlib> header
   }
   cout << endl;
}