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  1. #include <bits/stdc++.h>
  2. using namespace std;
  3.  
  4. vector<string> tks;
  5.  
  6. int main() {
  7. 	string sentence;
  8. 	getline(cin, sentence);
  9. 	istringstream iss(sentence);
  10. 	copy(istream_iterator<string>(iss),istream_iterator<string>(),back_inserter<vector<string>>(tks));
  11. 	set<string> s(tks.begin(),tks.end());
  12. 	cout<<"Number of distinct words are: "<<s.size()<<endl;
  13. 	for(auto it=s.begin();it!=s.end();it++){
  14. 		cout<<*it<<endl;
  15. 	}
  16. 	return 0;
  17. }
Success #stdin #stdout 0s 3240KB
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stdin
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hello world foo hello world bar
stdout
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Number of distinct words are: 4
bar
foo
hello
world
https://ideone.com/mNwavI
http://d...content-available-to-author-only...f.com/questions/65220/counting-distinct-words-in-a-string
language:
C++14 (gcc 8.3)
created:
9 years ago
visibility:
public

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