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random number in c

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

    #define randnum(min, max) 
        ((rand() % (int)(((max) + 1) - (min))) + (min))

int main()
{
    srand(time(NULL));

    printf("%d
", randnum(1, 70));
}
Comment

random number c

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

int main(){
   /*this is the seed that is created based on how much 
  time has passed since the start of unix time. 
  In this way the seed will always vary every time the program is opened*/
	srand(time(NULL));
  	int max;
  	int min;
  	int n;
  	printf("give me the minimum number?
");
   	scanf("%d", &min);
	printf("give me the maximum number?
");
	scanf("%d", &max);
  	//method to derive a random number
  	n = rand() % (max - min + 1) + min;
  	printf("random number:%d", n);
  	return 0;
}
  
Comment

random number c

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

int main ()
{
   int card;

   /* Do this only once at the start of your program,
      otherwise your sequence of numbers (game) will
      always be the same! */
   
   srand(time(NULL));

   /* Choose a number between 1 and 10 - we've called this 'card'
      because the number represents a card from ace to a ten in this
      program (rand() produces a large random int, we find the
      remainder from diving by 10 using '%' mod operator, then add 1
      so the card can't be 0) */
   
   card = rand() % 10 + 1;
   printf ("It's a %d.
", card);
}
Comment

random number c

//Note: Don't use rand() for security. 

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

srand(time(NULL));   // Initialization, should only be called once.
int r = rand();      // Returns a pseudo-random integer between 0 and RAND_MAX.
Comment

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