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  1.  
  2. #include<stdio.h>
  3. #include<stdlib.h>
  4. char s2[1000];
  5. void expand(char s1[],char s2[])
  6. {
  7. 	int i=0,k=0;
  8. 	char j;
  9. 	for(i=0;s1[i]!='\0';i++)
  10. 	{
  11. 		if(s1[i]=='-' && i && s1[i+1]!='\0' )
  12. 		{
  13.  
  14. 			if(s1[i-1]+1<=s1[i+1])
  15. 			for(j=s1[i-1]+1;j<=s1[i+1];j++)  /*straight*/
  16. 				s2[k++]=j;
  17. 			else
  18. 			for(j=s1[i-1]-1;j>=s1[i+1];j--)    /*reverse*/
  19. 				s2[k++]=j;
  20. 			i++;
  21. 		}
  22. 		else
  23. 		s2[k++]=s1[i];
  24. 	}
  25. 	s2[k]='\0';
  26. }
  27. int main(void) {
  28.     char *s[] = { "a-z-", "z-a-", "-1-6-",
  29.                   "a-ee-a", "a-R-L", "1-9-1",
  30.                   "5-5", NULL };
  31.  
  32.     int i = 0;
  33.  
  34.     while ( s[i] ) {
  35.  
  36.         /*  Expand and print the next string in our array s[]  */
  37.  
  38.         expand(s2, s[i]);
  39.         printf("Unexpanded: %s\n", s[i]);
  40.         printf("Expanded  : %s\n", s2);
  41.         ++i;
  42.     }
  43.  
  44.     return 0;
  45. }
  46.  
Runtime error #stdin #stdout 0.01s 1716KB
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Standard input is empty
stdout
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Standard output is empty
https://ideone.com/fz8CH
language:
C (gcc 8.3)
created:
14 years ago
visibility:
public

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