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  1. #include <iostream>
  2. using namespace std;
  3.  
  4. int is_letter(char c) {
  5. 	if ((int) c >= 65 && (int) c <= 122) {
  6. 		return 1;
  7. 	} else {
  8. 		return 0;
  9. 	}
  10. }
  11.  
  12. int main () {
  13. 	char a, b, c;
  14.  
  15.     cin >> a >> b >> c;
  16.  
  17.     cout << is_letter (a) +  is_letter (b) + is_letter(c);
  18. }
Success #stdin #stdout 0.01s 5324KB
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q f A
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3
https://ideone.com/PRwruT
language:
C++ (gcc 8.3)
created:
20 hours ago
visibility:
public

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