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  1. #include <iostream>
  2. #include <cstring>
  3. #include <iomanip>
  4. using namespace std;
  5.  
  6. const int MAX_SIZE = 100;
  7.  
  8. bool isLetter(char c) {
  9. 	return ('a' <= c && c <= 'z') || ('A' <= c && c <= 'Z');
  10. }
  11.  
  12. double mediumWordsLength(char sentence[]) {
  13. 	int n = strlen(sentence), isWord = 0, wordsCount = 0, lettersCount = 0;
  14. 	for (int i = 0; i <= n; ++i) {
  15. 		if (isLetter(sentence[i])) {
  16. 			isWord = 1;
  17. 			++lettersCount;
  18. 		} else if (isWord) {
  19. 			++wordsCount;
  20. 			isWord = 0;
  21. 		}
  22. 	}
  23. 	if (lettersCount > 0) {
  24. 		return double(lettersCount) / wordsCount;
  25. 	}
  26. 	return 0;
  27. }
  28.  
  29. int main() {
  30. 	char sentence[MAX_SIZE + 1];
  31. 	cin.getline(sentence, MAX_SIZE + 1);
  32. 	cout << fixed << setprecision(2) << mediumWordsLength(sentence);
  33. 	return 0;
  34. }
Success #stdin #stdout 0.01s 5284KB
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https://ideone.com/Bm9DnF
language:
C++ (gcc 8.3)
created:
6 days ago
visibility:
public

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