bool isYuan(char c) { if (c == 'a' || c == 'e' || c == 'i' || c == 'o' || c == 'u') return true; return false; } int main() { string s; cin >> s; int n = s.size(), yuan = 0, fu = 0; for (int i = 0; i < n; i++) { if (isYuan(s[i])) yuan++; else fu++; ...