Initialize random number generator: how to use rand/srand : Random « Math « C / ANSI-C

1. C / ANSI-C
2. Math
3. Random

Initialize random number generator: how to use rand/srand

#include <stdio.h>
#include <stdlib.h>
#include <time.h>

int main ()
{
  /* initialize random generator */
  srand ( time(NULL) );

  /* generate random numbers */

  printf ("A number between 0 and 100: %d\n", rand() % 100);

  printf ("A number between 20 and 30: %d\n", rand() % 10 + 20);

  return 0;
}

           
       

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