#include <bits/stdc++.h>
#define DEBUG if (0)
#define COUT cout << "\e[36m"
#define VAR(v) " [\e[32m" << #v << "\e[36m=\e[91m" << v << "\e[36m] "
#define ENDL "\e[39m" << endl
using namespace std;
int main()
{
ios_base::sync_with_stdio(0);
cin.tie(0);
string instr;
cin >> instr;
long long n = instr.size();
for(int i = 0; i < n; i++)
{
if(instr[i] == 'a' || instr[i] == 'e' || instr[i] == 'i' || instr[i] == 'o' || instr[i] == 'u' || instr[i] == 'y')
instr[i] = 0;
else instr[i] = 1;
}
if(n < 3)
{
cout << 0 << endl;
return 0;
}
//vector<char> vec(n, 0);
vector<long long> pos;
pos.push_back(0);
for(int i = 2; i < n; i++)
{
if(instr[i-2]+instr[i-1]+instr[i] == 3 || instr[i-2]+instr[i-1]+instr[i] == 0)
pos.push_back(i-1);
//vec[i-1] = 1;
}
pos.push_back(n-1);
long long ans = (n*(n+1))/2;
ans-= n+n-1;
DEBUG for(auto el : instr)
COUT << (int)el << " ";
DEBUG COUT << ENDL;
DEBUG COUT << VAR(ans) << ENDL;
DEBUG for(auto el : pos)
COUT << el << " ";
DEBUG COUT << ENDL;
for(int i = 1; i < (int)pos.size(); i++)
{
long long dist = pos[i]-pos[i-1]+1;
DEBUG COUT << VAR(dist) << VAR((dist*(dist+1ll))/2ll-(2ll*dist-1ll)) << VAR(ans) << ENDL;
ans -= (dist*(dist+1ll))/2ll-(2ll*dist-1ll);
}
cout << ans << 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 57 58 | #include <bits/stdc++.h> #define DEBUG if (0) #define COUT cout << "\e[36m" #define VAR(v) " [\e[32m" << #v << "\e[36m=\e[91m" << v << "\e[36m] " #define ENDL "\e[39m" << endl using namespace std; int main() { ios_base::sync_with_stdio(0); cin.tie(0); string instr; cin >> instr; long long n = instr.size(); for(int i = 0; i < n; i++) { if(instr[i] == 'a' || instr[i] == 'e' || instr[i] == 'i' || instr[i] == 'o' || instr[i] == 'u' || instr[i] == 'y') instr[i] = 0; else instr[i] = 1; } if(n < 3) { cout << 0 << endl; return 0; } //vector<char> vec(n, 0); vector<long long> pos; pos.push_back(0); for(int i = 2; i < n; i++) { if(instr[i-2]+instr[i-1]+instr[i] == 3 || instr[i-2]+instr[i-1]+instr[i] == 0) pos.push_back(i-1); //vec[i-1] = 1; } pos.push_back(n-1); long long ans = (n*(n+1))/2; ans-= n+n-1; DEBUG for(auto el : instr) COUT << (int)el << " "; DEBUG COUT << ENDL; DEBUG COUT << VAR(ans) << ENDL; DEBUG for(auto el : pos) COUT << el << " "; DEBUG COUT << ENDL; for(int i = 1; i < (int)pos.size(); i++) { long long dist = pos[i]-pos[i-1]+1; DEBUG COUT << VAR(dist) << VAR((dist*(dist+1ll))/2ll-(2ll*dist-1ll)) << VAR(ans) << ENDL; ans -= (dist*(dist+1ll))/2ll-(2ll*dist-1ll); } cout << ans << endl; return 0; } |
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