#include <iostream>
#include <vector>
#include <algorithm>
#include <queue>
#include <string>
using namespace std;
typedef long long LL;
string s;
bool sam(char c)
{
if(c == 'a' || c == 'e' || c == 'i' || c == 'y' || c == 'o' || c == 'u')
return true;
return false;
}
priority_queue<LL> q;
int main ()
{
ios_base::sync_with_stdio(0);
cin >> s;
if(s.size() < 3)
{
cout << 0;
return 0;
}
for(int i = 2; i < (int)s.size(); i ++)
{
if(sam(s[i]) && sam(s[i - 1]) && sam(s[i - 2]))
q.push((LL)(-(i - 2)));
if(!sam(s[i]) && !sam(s[i - 1]) && !sam(s[i - 2]))
q.push((LL)(-(i - 2)));
}
if(q.empty())
{
cout << 0;
return 0;
}
LL res = 0;
LL n = s.size() - 1;
for(LL i = 0; i < (int)s.size(); i ++)
{
if(q.empty()) break;
res += n - (-q.top() + 1LL);
//cout << n - (-q.top() + 1LL) << "\n";
//cout << i << " " << q.top() << "\n";
if((-q.top()) == i)
q.pop();
}
cout << res;
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 50 51 52 53 54 55 56 57 | #include <iostream> #include <vector> #include <algorithm> #include <queue> #include <string> using namespace std; typedef long long LL; string s; bool sam(char c) { if(c == 'a' || c == 'e' || c == 'i' || c == 'y' || c == 'o' || c == 'u') return true; return false; } priority_queue<LL> q; int main () { ios_base::sync_with_stdio(0); cin >> s; if(s.size() < 3) { cout << 0; return 0; } for(int i = 2; i < (int)s.size(); i ++) { if(sam(s[i]) && sam(s[i - 1]) && sam(s[i - 2])) q.push((LL)(-(i - 2))); if(!sam(s[i]) && !sam(s[i - 1]) && !sam(s[i - 2])) q.push((LL)(-(i - 2))); } if(q.empty()) { cout << 0; return 0; } LL res = 0; LL n = s.size() - 1; for(LL i = 0; i < (int)s.size(); i ++) { if(q.empty()) break; res += n - (-q.top() + 1LL); //cout << n - (-q.top() + 1LL) << "\n"; //cout << i << " " << q.top() << "\n"; if((-q.top()) == i) q.pop(); } cout << res; return 0; } |
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