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  1. #include<bits/stdc++.h>
  2. #define endl '\n'
  3. using namespace std;
  4.  
  5. set < string > s;
  6. set < string > :: iterator it;
  7. multiset < string > ms;
  8.  
  9. int main() {
  10. 	ios_base::sync_with_stdio(0);
  11. 	cin.tie(0);
  12. 	string str;
  13. 	cin >> str;
  14. 	while (cin >> str) {
  15. 		s.insert(str);
  16. 		ms.insert(str);
  17. 	}
  18. 	cout << s.size() << endl;
  19. 	for (it = s.begin() ; it != s.end(); it++) {
  20. 		cout << *it << " " << ms.count(*it) << endl;
  21. 	}
  22. }
Success #stdin #stdout 0s 15240KB
comments (?)
stdin
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AF AE AB AC AD
AB AC AD AE AF
stdout
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5
AB 2
AC 2
AD 2
AE 2
AF 1
https://ideone.com/fG8j21
language:
C++ (gcc 8.3)
created:
5 years ago
visibility:
public

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