#include <bits/stdc++.h> using namespace std; const int ac = 1e6 + 6; bool A[ac]; int main() { ios_base::sync_with_stdio(0); cin.tie(0); vector<int> T; string s; cin >> s; for (int i = 0; i < s.size(); i++) A[i] = (s[i] == 'a' || s[i] == 'e' || s[i] == 'i' || s[i] == 'o' || s[i] == 'u' || s[i] == 'y'); int n = s.size(); int c = 0, c2 = 0; for (int i = 0; i < n; i++) { if (A[i]) c++; else c = 0; if (c >= 3) T.push_back(i); if (!A[i]) c2++; else c2 = 0; if (c2 >= 3) T.push_back(i); } int j = 0; long long w = 0; for (int i = 0; i < n; i++) { while (j < T.size() && T[j] < i + 2) j++; if (j < T.size()) w += n - T[j]; } cout << w << '\n'; }
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 | #include <bits/stdc++.h> using namespace std; const int ac = 1e6 + 6; bool A[ac]; int main() { ios_base::sync_with_stdio(0); cin.tie(0); vector<int> T; string s; cin >> s; for (int i = 0; i < s.size(); i++) A[i] = (s[i] == 'a' || s[i] == 'e' || s[i] == 'i' || s[i] == 'o' || s[i] == 'u' || s[i] == 'y'); int n = s.size(); int c = 0, c2 = 0; for (int i = 0; i < n; i++) { if (A[i]) c++; else c = 0; if (c >= 3) T.push_back(i); if (!A[i]) c2++; else c2 = 0; if (c2 >= 3) T.push_back(i); } int j = 0; long long w = 0; for (int i = 0; i < n; i++) { while (j < T.size() && T[j] < i + 2) j++; if (j < T.size()) w += n - T[j]; } cout << w << '\n'; } |