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May 30th, 2016
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  1.  
  2. #include <iostream>
  3. #include <string>
  4. #include <map>
  5. #include <algorithm>
  6.  
  7. using namespace std;
  8.  
  9. int main() {
  10.  
  11. string s;
  12. map<string,int>::iterator i;
  13. map<string, int> m;
  14. while(cin >> s){
  15. //if(s=="x")break;
  16. transform(s.begin(),s.end(),s.begin(),::tolower);
  17. ++m[s];
  18. }
  19.  
  20. for(i = m.begin(); i != m.end(); ++i){
  21. cout << i->first << ":" << i-> second << endl;
  22. }
  23. }
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