Codeforces Round #497 (Div. 2) A. Romaji

Bryce1010模板

http://codeforces.com/contest/1008/problems

#include <bits/stdc++.h>

using namespace std;

int main()
{
    set<char>s;
    s.insert('a');
    s.insert('e');
    s.insert('i');
    s.insert('o');
    s.insert('u');

    string str;
    cin>>str;
    bool flag=true;
    for(int i=0;i<str.length();i++)
    {
        if(s.find(str[i])==s.end())
        {
            if(str[i]=='n')continue;
            else if(s.find(str[i+1])==s.end()||i==(str.length()-1))
            {
                flag=false;
            }
        }

    }
    if(flag)cout<<"YES"<<endl;
    else cout<<"NO"<<endl;

    //cout << "Hello world!" << endl;
    return 0;
}