#include <stdio.h>
#include <iostream>
#include <string>
#include <vector>
using namespace std;
typedef vector<int> VI;
typedef long long LL;
typedef pair<int,int> para;
#define FOR(x, b, e) for(int x = b; x <= (e); ++x)
#define FORD(x, b, e) for(int x = b; x >= (e); --x)
#define REP(x, n) for(int x = 0; x < (n); ++x)
#define VAR(v, n) __typeof(n) v = (n)
#define ALL(c) (c).begin(), (c).end()
#define SIZE(x) ((int)(x).size())
#define FOREACH(i, c) for(VAR(i, (c).begin()); i != (c).end(); ++i)
#define PB push_back
#define ST first
#define ND second
#define MP make_pair
int main() {
LL k, l, m, n;
int i;
LL S=0, s;
string a;
bool v[128], w;
REP(i,128) v[i]=false;
v['a']=v['e']=v['i']=v['o']=v['u']=v['y']=true;
a.reserve(200001);
cin>>a;
n=a.length();
if (n<3) {cout<<"0\n"; return 0;}
a+=(v[a[n-1]] ? 'z' : 'a');
k=l=0;
do { //k ustalone, szukaj l i m
w=v[a[l]];
i=l;
while (v[a[++i]]==w);
if (i<=l+2) {
w=!w; l=i;
continue;
}
m=i-1;
//cout<<k<<" "<<l<<" "<<m<<endl;
s=(n-2)*(m-k-1)-l*(l-k+1)-((m-2)*(m-1)-l*(l+1))/2;
//cout<<s<<endl;
S+=s;
l=i;
k=m-1;
} while (i<n);
//S=n*S1-S2/2;
cout<<S<<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 59 60 61 62 63 64 65 66 67 68 69 | #include <stdio.h> #include <iostream> #include <string> #include <vector> using namespace std; typedef vector<int> VI; typedef long long LL; typedef pair<int,int> para; #define FOR(x, b, e) for(int x = b; x <= (e); ++x) #define FORD(x, b, e) for(int x = b; x >= (e); --x) #define REP(x, n) for(int x = 0; x < (n); ++x) #define VAR(v, n) __typeof(n) v = (n) #define ALL(c) (c).begin(), (c).end() #define SIZE(x) ((int)(x).size()) #define FOREACH(i, c) for(VAR(i, (c).begin()); i != (c).end(); ++i) #define PB push_back #define ST first #define ND second #define MP make_pair int main() { LL k, l, m, n; int i; LL S=0, s; string a; bool v[128], w; REP(i,128) v[i]=false; v['a']=v['e']=v['i']=v['o']=v['u']=v['y']=true; a.reserve(200001); cin>>a; n=a.length(); if (n<3) {cout<<"0\n"; return 0;} a+=(v[a[n-1]] ? 'z' : 'a'); k=l=0; do { //k ustalone, szukaj l i m w=v[a[l]]; i=l; while (v[a[++i]]==w); if (i<=l+2) { w=!w; l=i; continue; } m=i-1; //cout<<k<<" "<<l<<" "<<m<<endl; s=(n-2)*(m-k-1)-l*(l-k+1)-((m-2)*(m-1)-l*(l+1))/2; //cout<<s<<endl; S+=s; l=i; k=m-1; } while (i<n); //S=n*S1-S2/2; cout<<S<<endl; return 0; } |
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