#include <iostream>
#include <vector>
#include <map>
#include <string>
#include <cmath>
using namespace std;
bool isVowel(char c) {
return c == 'a' || c == 'e' || c == 'i' || c == 'o' || c == 'u' || c == 'y';
}
int main() {
string s;
cin >> s;
if (s.size() < 3) {
cout << 0 << endl;
return 0;
}
int last = isVowel(s[0]) | (isVowel(s[1]) << 1) | (isVowel(s[2]) << 2);
long long result = 0;
vector<int> limits;
for (int i = 0; i < s.size()-2; ++i) {
int last = isVowel(s[i]) | (isVowel(s[i+1]) << 1) | (isVowel(s[i+2]) << 2);
if (last == 0 || last == 7) {
limits.push_back(i);
}
}
limits.push_back(s.size());
if (limits.size() == 1) {
cout << 0 << endl;
return 0;
}
for (int i = 0; i < limits.size() - 1; ++i) {
int tend = limits[i] + 2;
int nend = min<int>(s.size(), limits[i+1]+2);
result += (limits[i]+1) * (nend - tend);
}
cout << result << endl;
return 0;
}
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 | #include <iostream> #include <vector> #include <map> #include <string> #include <cmath> using namespace std; bool isVowel(char c) { return c == 'a' || c == 'e' || c == 'i' || c == 'o' || c == 'u' || c == 'y'; } int main() { string s; cin >> s; if (s.size() < 3) { cout << 0 << endl; return 0; } int last = isVowel(s[0]) | (isVowel(s[1]) << 1) | (isVowel(s[2]) << 2); long long result = 0; vector<int> limits; for (int i = 0; i < s.size()-2; ++i) { int last = isVowel(s[i]) | (isVowel(s[i+1]) << 1) | (isVowel(s[i+2]) << 2); if (last == 0 || last == 7) { limits.push_back(i); } } limits.push_back(s.size()); if (limits.size() == 1) { cout << 0 << endl; return 0; } for (int i = 0; i < limits.size() - 1; ++i) { int tend = limits[i] + 2; int nend = min<int>(s.size(), limits[i+1]+2); result += (limits[i]+1) * (nend - tend); } cout << result << endl; return 0; } |
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