http://acm.hdu.edu.cn/showproblem.php?pid=1075
/*
START
hh1 aa
END
START
a aa
END
*/
#include<iostream>
#include<string>
using namespace std;
int i;
struct dictree
{
    dictree *child[26];
    char engWord[11];
    dictree()//初始化非常的有必要
    {
        for(i=0;i<26;i++)
            child[i] = NULL;
        engWord[0]='\0';
    }
};
dictree root;
void insert(char eng[],char mar[])//构建字典树
{
    dictree *now = &root;
    char *tmp = mar;
    while(*tmp)
    {
        if(now->child[*tmp-'a']==NULL)
            now->child[*tmp-'a'] = new dictree;
        now = now->child[*tmp-'a'];
        tmp++;
    }
    strcpy(now->engWord,eng);    
}

char *find(char ch[])//查找单词
{
    dictree *p = &root;
    int k=0;
    while(1)
    {
        if(ch[k]=='\0' || p->child[ch[k]-'a']==NULL)
            break;
        p = p->child[ch[k]-'a'];
        k++;
    }
    if(ch[k]=='\0' && strcmp(p->engWord,"")!=0)
        return p->engWord;
    return NULL;
}

int main()
{
    char a[11],b[11];
    scanf("%s",a);//"START"
    while(scanf("%s",a) && strcmp(a,"END")!=0 )
    {
        scanf("%s",b);
        insert(a,b);
    }
    scanf("%s",a);//"START"
    getchar();//吃回车
    char tmp[3002];
    while(1)
    {
        gets(tmp);//用这个比getline()强
        if(strcmp(tmp,"END") == 0 )
            break;
        int i,len,k=0;
        len = strlen(tmp);
        tmp[len]=' ';//多加一个' '，输出的时候注意
        tmp[++len]='\0';
        char tp[3002];
        for(i=0;i<len;i++)
        {
            if(!(tmp[i]>='a' && tmp[i]<='z'))//非小写字母
            {
                tp[k]='\0';
                char *temp = find(tp);//查找是否有对应的engWord
                if(temp)//存在这个单词
                    printf("%s",temp);
                else                                                    
                    printf("%s",tp);//可以用cout<<tp;//不可以用puts(tp);用puts有换行
                k=0;
                if(i!=len-1)//最后有一个' '是多余的
                    cout<<tmp[i];//输出非小写字母字符
            }
            else //小写字母
                tp[k++]=tmp[i];
        }
        cout<<endl;
    }
    return 0;
}

#include<iostream>
#include<string>
#include<map>
using namespace std;
map<string,string>M;
int main()
{
    string a,b;
    cin>>a;//"START"
    while(cin>>a && a!="END")
    {
        cin>>b;
        M[b] = a;
    }
    cin>>a;//"START"
    getchar();//吃回车
    char tmp[3005];
    while(1)
    {
        gets(tmp);//用这个比getline()强
        if(strcmp(tmp,"END") == 0 )
            break;
        int i,len;
        len = strlen(tmp);
        b = "";
        for(i=0;i<len;i++)
        {
            if(!(tmp[i]>='a' && tmp[i]<='z'))//非小写字母
            {
                if(M[b]!="")//存在这个单词
                    cout<<M[b];
                else
                    cout<<b;
                b="";
                cout<<tmp[i];
            }
            else //小写字母
                b+=tmp[i];
        }
        cout<<endl;
    }
    return 0;
}