#include <iostream>
#include <vector>
#include <algorithm>
using namespace std;
const int N=200005;
int main(){
ios_base::sync_with_stdio(0);
cin.tie(NULL);
int t[N];
string s;
cin>>s;
long long n=s.size();
for(int i=0; i<s.size(); i++){
if(s[i]=='a' || s[i]=='i' || s[i]=='o' || s[i]=='u' || s[i]=='y' || s[i]=='e')
t[i]=0;
else
t[i]=1;
}
long long sum=3;
if(n==1 || n==2){
cout<<0<<endl;
return 0;
}
int b=0;
for(int i=2; i<n; i++){
if(t[i]==t[i-1] && t[i-1]==t[i-2]){
b=i-1;
sum+=2;
}
else
sum+=i-b+1;
//cout<<sum<<endl;
}
//cout<<sum<<endl;
long long mx=n*(n+1)/2;
cout<<mx-sum<<endl;
}
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 | #include <iostream> #include <vector> #include <algorithm> using namespace std; const int N=200005; int main(){ ios_base::sync_with_stdio(0); cin.tie(NULL); int t[N]; string s; cin>>s; long long n=s.size(); for(int i=0; i<s.size(); i++){ if(s[i]=='a' || s[i]=='i' || s[i]=='o' || s[i]=='u' || s[i]=='y' || s[i]=='e') t[i]=0; else t[i]=1; } long long sum=3; if(n==1 || n==2){ cout<<0<<endl; return 0; } int b=0; for(int i=2; i<n; i++){ if(t[i]==t[i-1] && t[i-1]==t[i-2]){ b=i-1; sum+=2; } else sum+=i-b+1; //cout<<sum<<endl; } //cout<<sum<<endl; long long mx=n*(n+1)/2; cout<<mx-sum<<endl; } |
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