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  1. #include <iostream>
  2.  
  3. //подсчёт вхождения подстрок
  4. size_t count_sub(const char* s1, const char* s2){
  5. 	const char* p1, *p2;
  6. 	size_t n = 0;
  7.  
  8. 	while(*s1){
  9. 		p1 = s1;
  10. 		p2 = s2;
  11. 		while(*p2 && (*p2 == *p1)){
  12. 			++p1;
  13. 			++p2;
  14. 		}
  15.  
  16. 		if(! *p2){
  17. 			++n;
  18. 			s1 = p1;
  19. 		} else
  20. 			++s1;
  21. 	}
  22. 	return n;
  23. }
  24.  
  25.  
  26. int main(void){
  27. 	char s1[] = "привет (припри) как при";
  28. 	char s2[] = "при";
  29.  
  30. 	std::cout << "count: " << count_sub(s1, s2) << std::endl;
  31. 	return 0;
  32. }
Success #stdin #stdout 0s 3460KB
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count: 4
https://ideone.com/cmceZZ
language:
C++ (gcc 8.3)
created:
8 years ago
visibility:
public

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