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  1. #include <bits/stdc++.h>
  2. using namespace std;
  3. #define int long long
  4. bool vowel(char c)
  5. {
  6.     string s="aouie";
  7.     return count(s.begin(),s.end(),c);
  8. }
  9. signed main()
  10. {
  11.     string s;
  12.     cin>>s;
  13.     if(!vowel(s.back())&&s.back()!='n')
  14.         cout<<"NO";
  15.     else
  16.     {
  17.         for(int i=0;i<s.size()-1;i++)
  18.         {
  19.             if(s[i]=='n')
  20.                 continue;
  21.             if(!vowel(s[i])&&!vowel(s[i+1]))
  22.             {
  23.                 cout<<"NO";
  24.                 return 0;
  25.             }
  26.         }
  27.         cout<<"YES";
  28.     }
  29. }
  30. /*
  31.  
  32. oboboboboooooonb
  33. b
  34. */
Success #stdin #stdout 0.01s 5312KB
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Standard input is empty
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NO
https://ideone.com/JRNlop
language:
C++14 (gcc 8.3)
created:
2 days ago
visibility:
public

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