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
#include <cstdlib>
#include <cstdio>
#include <cstring>
#include <set>

char tekst[200002];

int main()
{
    long long int samogl_cnt = 0, spolgl_cnt = 0, all_cnt = 0, last_pos = -1;

    scanf("%s", tekst);

    int n = strlen(tekst);

    for(int i = 0; i < n; ++i)
    {
        if(tekst[i] == 'a' || tekst[i] == 'e' || tekst[i] == 'i' || tekst[i] == 'o'
           || tekst[i] == 'u' || tekst[i] == 'y')
        {
            ++samogl_cnt;
            spolgl_cnt = 0;
        }
        else
        {
            ++spolgl_cnt;
            samogl_cnt = 0;
        }

        if(samogl_cnt >= 3 || spolgl_cnt >= 3)
        {
            long long int cnt_before = i - 2 - last_pos, cnt_after = n - i;

            last_pos = i - 2;
            all_cnt += cnt_before * cnt_after;
        }
    }

    printf("%lld\n", all_cnt);

    return 0;
}