#include<stdio.h>
#include<string.h>
char buffer[200000];
#define is_vowel(x) (x)=='a'||(x)=='e'||(x)=='i'||(x)=='o'||(x)=='u'||(x)=='y'
int main()
{
int sliding_window = 0, length, last_match = 0;
int vowel = 0;
unsigned long long result = 0;
scanf("%s", buffer);
length = strlen(buffer);
for(int i=0; i<length; i++)
{
if(is_vowel(buffer[i]))
{
if(vowel)
sliding_window++;
else
sliding_window = 1;
vowel = 1;
}
else
{
if(vowel)
sliding_window = 1;
else
sliding_window++;
vowel = 0;
}
if(sliding_window>3)
sliding_window=3;
if(sliding_window ==3)
{
result++;
result+=i-2-last_match+length-i-1+((i-2-last_match)*(length-i-1));
last_match = i-1;
}
}
printf("%llu", result);
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 | #include<stdio.h> #include<string.h> char buffer[200000]; #define is_vowel(x) (x)=='a'||(x)=='e'||(x)=='i'||(x)=='o'||(x)=='u'||(x)=='y' int main() { int sliding_window = 0, length, last_match = 0; int vowel = 0; unsigned long long result = 0; scanf("%s", buffer); length = strlen(buffer); for(int i=0; i<length; i++) { if(is_vowel(buffer[i])) { if(vowel) sliding_window++; else sliding_window = 1; vowel = 1; } else { if(vowel) sliding_window = 1; else sliding_window++; vowel = 0; } if(sliding_window>3) sliding_window=3; if(sliding_window ==3) { result++; result+=i-2-last_match+length-i-1+((i-2-last_match)*(length-i-1)); last_match = i-1; } } printf("%llu", result); return 0; } |
English