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
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
#include <algorithm>
#include <cstdio>
#include <cstring>
#include <vector>


const int MAX_LEN = 200009;


bool is_vowel(const char c)
{
    switch(c)
    {
        case 'a': return true;
        case 'e': return true;
        case 'i': return true;
        case 'o': return true;
        case 'u': return true;
        case 'y': return true;
    }

    return false;
}


int main()
{
    char s[MAX_LEN];
    scanf("%s", s);

    const int len = strlen(s);

    std::vector<int> v;

    for(int i = 2; i < len; ++i)
    {
        if(is_vowel(s[i-2]) && is_vowel(s[i-1]) && is_vowel(s[i]))
            v.push_back(i);

        if(!is_vowel(s[i-2]) && !is_vowel(s[i-1]) && !is_vowel(s[i]))
            v.push_back(i);
    }

    std::vector<int>::iterator it = v.begin();
    long long result = 0LL;
    for(int i = 0; i < len; ++i)
    {
        if(it == v.end())
            break;

        if((i+1) == *it)
            ++it;

        if(it == v.end())
            break;

        result += static_cast<long long>(len - *it);
    }

    printf("%lld\n", result);
}