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  1. #include <iostream>
  2. #include <cctype>
  3.  
  4. char* del_even_words(char* s){
  5. 	int   i = 1;
  6. 	char* a, *p, *t = s;
  7.  
  8. 	for(p = s; *s; *s = *p){
  9. 		if(! std::isalpha(*p)){
  10. 			if(*p == '.' || *p == '!' || *p == '?')
  11. 				i = 1;
  12. 			++s;
  13. 		} else {
  14. 			a = p;
  15. 			while(std::isalpha(*a))
  16. 				++a;
  17.  
  18. 			if((i & 1) == 0)
  19. 				p = a;
  20. 			else {
  21. 				while(p != a)
  22. 					*s++ = *p++;
  23. 			}
  24. 			++i;
  25. 			continue;
  26. 		}
  27. 		++p;
  28. 	}
  29. 	return t;
  30. }
  31.  
  32. int main(void){
  33. 	char s[] = "one two three! one two three four five.\n"\
  34. 	           "{one} {two} {three} {four} {five} {six}...\n"\
  35. 	           "Fox, dog, cat, bat!!!\n";
  36. 	std::cout << s << std::endl;
  37. 	std::cout << del_even_words(s) << std::endl;
  38. 	return 0;
  39. }
  40.  
Success #stdin #stdout 0s 3412KB
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stdin
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Standard input is empty
stdout
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one two three! one two three four five.
{one} {two} {three} {four} {five} {six}...
Fox, dog, cat, bat!!!

one  three! one  three  five.
{one} {} {three} {} {five} {}...
Fox, , cat, !!!
https://ideone.com/ZdVAEL
language:
C++ (gcc 8.3)
created:
8 years ago
visibility:
public

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