测试点3没过。。。求daniu分析ya

#include<iostream>
#include<cstdio>
#include<cstring>
#include<algorithm>
using namespace std;
char words[30][20]={"zero","one","two","three",
"four","five","six","seven","eight","nine","ten",
" eleven","twelve", "thirteen", "fourteen", "fifteen", 
 "sixteen", "seventeen", "eighteen", "nineteen",
 "     twenty","a","both","another","first","second","third"};

int word[30]={0,1,4,9,16,25,36,49,64,81,00,21,44,
69,96,25,56,89,24,61,0,1,4,1,1,4,9};
char a[100];
int i,j;
int flag,p=1,b[10];;
int main()
{
for(int i=1;i<=6;++i)
{
cin>>a;
    for(int j=1;j<=26;++j)
    {
        if(!strcmp(a,words[j]))
        {
            b[p++]=word[j];
            break;
        }
    }
}
sort(b+1,b+p+1);
for(int u=1;u<=p;++u)
{
    if(flag){
        printf("%.2d",b[u]);

    }
    else {
    if(b[u])
    {
     printf("%d",b[u]);
                 flag=1;
}}
}
return 0;

}