http://acm.hdu.edu.cn/showproblem.php?pid=1039(水~)

判读条件

1:有元音字母

2：不能三个连续元音或辅音

3.不能连续两个相同的字母，除非ee或oo

#include<cstdio>
#include<cstring>
#include<algorithm>
#include<string>
using namespace std;
char word[30];
bool panyuan(int id){
    if(word[id]=='a'||word[id]=='e'||word[id]=='i'||word[id]=='o'||word[id]=='u') return true;
    return false;
}
bool test1(int n){
    for(int i = 0; i < n; i++){
        if(panyuan(i)) return true;
    }
    return false;
}
bool test2(int n){
    int yuan, fu;
    yuan = fu = 0;
    for(int i = 0; i < n; i++){
        if(panyuan(i)){
            yuan++; fu = 0;
        }
        else {
            fu++; yuan = 0;
        }
        if(fu>=3||yuan>=3) return false;
    }
    return true;
}
bool test3(int n){
    for(int i = 1; i < n; i++){
        if(word[i]==word[i-1]){
            if(word[i]=='e'||word[i]=='o') continue;
            else return false;
        }
    }
    return true;
}
int main()
{
    while(~scanf("%s",word))
    {
        int len = strlen(word);
        if(len==3&&word[0]=='e'&&word[1]=='n'&&word[2]=='d') return 0;
        printf("<%s> is ",word);
        if(test1(len)&&test2(len)&&test3(len)) {
            printf("acceptable.
");
        }
        else printf("not acceptable.
");
    }
    return 0;
}