1
 2
 3
 4
 5
 6
 7
 8
 9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
#include <bits/stdc++.h>
using namespace std;
#define show if(0)
string s;
long long tab[200005]{0};
long long x=0,last=-1;

int main(){
  cin>>s;
  for(long long i=0;i<(long long)s.size();i++){
    if(s[i]=='a'||s[i]=='e'||s[i]=='i'||s[i]=='o'||s[i]=='u'||s[i]=='y')
      s[i]='a';
  }
  for(long long i=0;i<(long long)s.size()-2;i++){
    if(s[i]=='a'&&s[i+1]=='a'&&s[i+2]=='a')
      tab[i]=1;
    if(s[i]!='a'&&s[i+1]!='a'&&s[i+2]!='a')
      tab[i]=1;
  }
  for(long long i=0;i<(long long)s.size();i++){
    if(tab[i]){
      x+=(i+1)*(s.size()-i-2)-(last+1)*(s.size()-i-2);
      last=i;
    }
  }
  cout<<x<<endl;
  return 0;
}