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  1. #include <iostream>
  2. #include<string>
  3. #include<set>
  4. #include<algorithm>
  5. using namespace std;
  6.  
  7. int main() {
  8. int n;
  9. set<char> c;
  10. cin>>n;
  11. string s;
  12. cin>>s;
  13. transform(s.begin(),s.end(),s.begin(), ::tolower);
  14. for(int i=0;i<s.length();i++){
  15. c.insert(s[i]);
  16. }
  17. // for(int i=0;i<c.size();i++) cout<<c[i]<<endl;
  18. if (c.size()==26) cout<<"YES";
  19. else cout<<"NO";
  20. return 0;
  21. }
Success #stdin #stdout 0.01s 5276KB
stdin
35
TheQuickBrownFoxJumpsOverTheLazyDog
stdout
YES