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  1. //(c)Terminator
  2. #include <stdio.h>
  3. #include <ctype.h>
  4.  
  5.  
  6.  
  7. const char* fpolyw(const char* s, const char** f, const char** l){
  8. 	const char* p, *t;
  9.  
  10. 	while(*s) {
  11. 		while(*s && ! isalpha(*s))
  12. 			++s;
  13.  
  14. 		for(p = s; isalpha(*p); ++p);
  15.  
  16. 		t = p;
  17. 		if((p - s) > 2){
  18. 			*f = s;
  19. 			*l = p;
  20. 			for(--p; p > s; ++s, --p){
  21. 				if(*p != *s)
  22. 					break;
  23. 			}
  24. 			if(*p == *s)
  25. 				return t;
  26. 		}
  27. 		s = t;
  28. 	} 
  29. 	return NULL;
  30. }
  31.  
  32.  
  33.  
  34. int main(void){
  35. 	const char* p, *f, *l;
  36.  
  37. 	char s[] = "ABCEEExEEECBA???the, bla ADA, WOW, adida, spam,kook";
  38.  
  39. 	p = &s[0];
  40. 	while((p = fpolyw(p, &f, &l)) != NULL){
  41. //		fwrite(f, sizeof(char), (size_t)(l - f), stdout);
  42. 		while(f != l)
  43. 			putchar(*f++);
  44. 		putchar('\n');
  45. 	}
  46. 	return 0;
  47. }
Success #stdin #stdout 0s 2292KB
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stdin
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Standard input is empty
stdout
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ABCEEExEEECBA
ADA
WOW
adida
kook
https://ideone.com/9l91x6
language:
C (gcc 8.3)
created:
11 years ago
visibility:
public

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