#include <iostream>
using namespace std;
int main(){
string s;
cin >> s;
long long int result = 0;
long long int n = s.length();
bool isLastVow = false;
bool isLast2Vow = false;
bool isLastCons = false;
bool isLast2Cons = false;
long long int start = 0;
for(int i = 0; i < n; i++)
{
bool vow = (s[i] == 'e' || s[i] == 'y' || s[i] == 'u' || s[i] == 'i' || s[i] == 'o' || s[i] == 'a');
if(isLast2Vow && vow || isLast2Cons && !vow)
{
result -= (i-start) + (i-start)*(i-start-1)/2 - 1;
start = i-1;
continue;
}
if(vow){
isLastCons = false;
isLast2Cons = false;
isLast2Vow = isLastVow;
isLastVow = true;
} else {
isLastVow = false;
isLast2Vow = false;
isLast2Cons = isLastCons;
isLastCons = true;
}
}
result -= (n-start) + (n-start)*(n-start-1)/2;
result += n*(n-1)/2 + n;
cout<<result<<endl;
return 0;
}
//abeeccаggoxxuuhhaalleerruucceettoonnaqaqaqaqaqaqaq
//
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 | #include <iostream> using namespace std; int main(){ string s; cin >> s; long long int result = 0; long long int n = s.length(); bool isLastVow = false; bool isLast2Vow = false; bool isLastCons = false; bool isLast2Cons = false; long long int start = 0; for(int i = 0; i < n; i++) { bool vow = (s[i] == 'e' || s[i] == 'y' || s[i] == 'u' || s[i] == 'i' || s[i] == 'o' || s[i] == 'a'); if(isLast2Vow && vow || isLast2Cons && !vow) { result -= (i-start) + (i-start)*(i-start-1)/2 - 1; start = i-1; continue; } if(vow){ isLastCons = false; isLast2Cons = false; isLast2Vow = isLastVow; isLastVow = true; } else { isLastVow = false; isLast2Vow = false; isLast2Cons = isLastCons; isLastCons = true; } } result -= (n-start) + (n-start)*(n-start-1)/2; result += n*(n-1)/2 + n; cout<<result<<endl; return 0; } //abeeccаggoxxuuhhaalleerruucceettoonnaqaqaqaqaqaqaq // |
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