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

 int main(void)
{
   char another_game='y';
   int correct=false;

   int counter=0;
   int i=1;
   int sequence_length=0;

   time_t seed=0;
   int number=0;
 
   time_t now=0;
   int time_taken=0;
 

printf("\n To play simple simon");
printf("\n watch the screen for a sequence of digits.");
printf("\nwatch carefully, as the digitsare only displayed");
printf(",,,,,,");
printf(",,,,,,");
printf(",,,,,,");
printf(",,,,,,");

scanf("%c",&another_game);


do{
   correct=true;
   counter=0;
   sequence_length=2;
   time_taken=clock();


  while(correct)
  {
   sequence_length+=counter++%3==0;
   
   seed=time(NULL);
   now=clock();
   srand((unsigned int)seed);
 
   for(i ;i <=sequence_length;i++)
      printf("%d",rand() % 10);
 
   for(;clock()-now<CLOCKS_PER_SEC;);
      printf("\r");

   for(i;i<=sequence_length;i++)
      printf(" ");


   if(counter==1)
        printf("\n Now you enter the seqence-don't forget"
    "the spaces\n");
    else
         printf("\r");


    srand((unsigned int)seed);
    for(i;i <=sequence_length;i++)
    {
      scanf("%d",&number);
      if(number!=rand() %10)
       {
         correct=false;
        break;
       }
     }
 printf("%s\n",correct? "correct!":"Wrong");
}
 

     time_taken=(clock()-time_taken) / CLOCKS_PER_SEC;

     printf("\n\n your score is %d",--counter*100/time_taken);


     fflush(stdin);

     printf("\nDo you want to play again (y/n)?");
     scanf("%c",&another_game);

}while(toupper(another_game)=='Y');
return 0;
}