hdu1039

#include<stdio.h> #include<string.h> const int MAXN=200; char str[MAXN];

bool isvowel(char c) { if(c=='a'||c=='e'||c=='i'||c=='u'||c=='o') return true; else return false; } bool judge1(int n) //至少要有一个元音字母 { for(int i=0;i<n;i++) { if(isvowel(str[i])) return true; } return false; } bool judge2(int n) { for(int i=2;i<n;i++) { if(isvowel(str[i-2])&&isvowel(str[i-1])&&isvowel(str[i])) return false; if(!isvowel(str[i-2])&&!isvowel(str[i-1])&&!isvowel(str[i])) return false; } return true; } bool judge3(int n) { for(int i=1;i<n;i++) { if(str[i]==str[i-1]&&str[i]!='e'&&str[i]!='o') return false; } return true; } int main() { int len; while(scanf("%s",&str)!=EOF) { if(strcmp(str,"end")==0) break; len=strlen(str); if(judge1(len)==false) { printf("<%s> is not acceptable.\n",str); continue; } if(judge2(len)==false) { printf("<%s> is not acceptable.\n",str); continue; } if(judge3(len)==false) { printf("<%s> is not acceptable.\n",str); continue; } printf("<%s> is acceptable.\n",str); } return 0; }