Generate random number: how to use rand : Random « Math « C / ANSI-C

Home
C / ANSI-C
1.assert.h
2.Console
3.ctype.h
4.Data Structure Algorithm
5.Data Type
6.Development
7.File
8.Function
9.Language Basics
10.Macro Preprocessor
11.Math
12.math.h
13.Memory
14.Pointer
15.setjmp.h
16.signal.h
17.Small Application
18.stdio.h
19.stdlib.h
20.String
21.string.h
22.Structure
23.time.h
24.wctype.h
C / ANSI-C » Math » Random 




Generate random number: how to use rand
 Generate random number: how to use rand



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

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

  /* generate random numbers */
  printf("RAND_MAX = ", RAND_MAX);
  
  printf ("A number between 0 and RAND_MAX : %d\n", rand());
  
  printf ("A number between 0 and 99: %d\n", rand() 100);
  
  printf ("A number between 0 and 9: %d\n", rand() 10);

  return 0;
}

           
       














Related examples in the same category
1.A random thought for the day
2.A random number is chosen between 1 and 100
3.Generate a bunch of random data
4.Output random sequence
5.Work with random number
6.Seed rand() with the system time and display the first 10 numbers
7.Generate random number
8. Initialize random number generator: how to use rand/srand
9.Output a random number
java2s.com  | Contact Us | Privacy Policy
Copyright 2009 - 12 Demo Source and Support. All rights reserved.
All other trademarks are property of their respective owners.