#include <cstdint>
#include <iostream>
using namespace std;
bool isVowel(char c)
{
switch (c) {
case 'a':
case 'e':
case 'i':
case 'o':
case 'u': {
return true;
}
default: {
return false;
}
}
}
int main()
{
uint64_t total = 0;
string s;
bool last = true;
int last_begin = 0;
int begin = 0;
int num = 0;
cin >> s;
for (size_t i = 0; i < s.length(); ++i) {
char c = s[i];
auto isvowel = isVowel(c);
if (last_begin == -1 || isvowel != last) {
last = isvowel;
num = 1;
begin = i;
} else {
num++;
}
if (num >= 3) {
int left = last_begin + 1;
uint64_t places_left = begin - last_begin + 1;
uint64_t places_right = s.length() - i;
auto places = places_left * places_right;
// cout << i << " " << begin << " " << last_begin << " " << places_left << " " << places_right << " -> " << places << endl;
total += places;
begin++;
last_begin = begin;
}
}
cout << total << 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 50 51 52 53 54 55 56 | #include <cstdint> #include <iostream> using namespace std; bool isVowel(char c) { switch (c) { case 'a': case 'e': case 'i': case 'o': case 'u': { return true; } default: { return false; } } } int main() { uint64_t total = 0; string s; bool last = true; int last_begin = 0; int begin = 0; int num = 0; cin >> s; for (size_t i = 0; i < s.length(); ++i) { char c = s[i]; auto isvowel = isVowel(c); if (last_begin == -1 || isvowel != last) { last = isvowel; num = 1; begin = i; } else { num++; } if (num >= 3) { int left = last_begin + 1; uint64_t places_left = begin - last_begin + 1; uint64_t places_right = s.length() - i; auto places = places_left * places_right; // cout << i << " " << begin << " " << last_begin << " " << places_left << " " << places_right << " -> " << places << endl; total += places; begin++; last_begin = begin; } } cout << total << endl; return 0; } |
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