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  1. #include <iostream>
  2. #include <unordered_map>
  3. #include <string>
  4. using namespace std;
  5.  
  6. int main() {
  7. unordered_map<string, size_t> occurrences;
  8.  
  9. for (string input; cin >> input;) {
  10. occurrences[input] += 1;
  11. }
  12.  
  13. for (auto kv : occurrences) {
  14. cout << kv.first << ": " << kv.second << endl;
  15. }
  16. return 0;
  17. }
Success #stdin #stdout 0s 4884KB
stdin
dupa cos dupa cos cos cos
stdout
cos: 4
dupa: 2