#include <cstdio>
#include <cstring>
const unsigned long long MaxLen = 200005LLU;
int main(void) {
char wrd[MaxLen];
unsigned long long len = 0, spBlk = 0, samBlk = 0, gapStart = 0,
goodWords = 0, badWords = 0, gapLen;
bool first = true;
fgets(wrd,MaxLen,stdin);
for(len=0;wrd[len]!='\n' && wrd[len]!='\0';++len) {
switch(wrd[len]) {
case 'a':
case 'e':
case 'i':
case 'o':
case 'u':
case 'y':
if(spBlk>2) {
gapStart = len-2;
}
if(samBlk==2 && len>2) {
gapLen = len-gapStart;
goodWords += gapLen*(gapLen-3)/2+1;
gapStart = MaxLen;
}
spBlk = 0;
++samBlk;
break;
default:
if(samBlk>2) {
gapStart = len-2;
}
if(spBlk==2 && len>2) {
gapLen = len-gapStart;
goodWords += gapLen*(gapLen-3)/2+1;
gapStart = MaxLen;
}
samBlk = 0;
++spBlk;
break;
}
}
if(gapStart<len && samBlk<3 && spBlk<3) {
gapLen = len-gapStart;
goodWords += gapLen*(gapLen-3)/2+1;
}
badWords = (len<3) ? 0 : (len*(len-3)/2+1-goodWords);
printf("%llu\n",badWords);
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 | #include <cstdio> #include <cstring> const unsigned long long MaxLen = 200005LLU; int main(void) { char wrd[MaxLen]; unsigned long long len = 0, spBlk = 0, samBlk = 0, gapStart = 0, goodWords = 0, badWords = 0, gapLen; bool first = true; fgets(wrd,MaxLen,stdin); for(len=0;wrd[len]!='\n' && wrd[len]!='\0';++len) { switch(wrd[len]) { case 'a': case 'e': case 'i': case 'o': case 'u': case 'y': if(spBlk>2) { gapStart = len-2; } if(samBlk==2 && len>2) { gapLen = len-gapStart; goodWords += gapLen*(gapLen-3)/2+1; gapStart = MaxLen; } spBlk = 0; ++samBlk; break; default: if(samBlk>2) { gapStart = len-2; } if(spBlk==2 && len>2) { gapLen = len-gapStart; goodWords += gapLen*(gapLen-3)/2+1; gapStart = MaxLen; } samBlk = 0; ++spBlk; break; } } if(gapStart<len && samBlk<3 && spBlk<3) { gapLen = len-gapStart; goodWords += gapLen*(gapLen-3)/2+1; } badWords = (len<3) ? 0 : (len*(len-3)/2+1-goodWords); printf("%llu\n",badWords); return 0; } |
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