hdu 1075 What Are You Talking About

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#include <iostream>#include <cstdio>#include <string>#include <map>using namespace std;int main(){    map<string, string>th;    string a, b;    string::size_type i, len;    map<string, string>::iterator ite;    getline(cin, a);    th.clear();    while(1){        cin>>a;        if(a!="END"){            cin>>b;            th[b] = a;        }        else break;    }    /*for(ite=th.begin(); ite!=th.end(); ite++)        cout<<ite->first<<' '<<ite->second<<endl;*/    getline(cin, a);    getline(cin, a);    while(1)    {        getline(cin, a);        b.clear();        if(a!="END")        {            len = a.size();            for(i=0; i<len; i++)            {                if( isalpha(a[i]) )                    b += a[i];                else{                    if( b.empty()!=true )                    {                        if( th.count(b)!=0 )                            cout<<th[b]<<a[i];                        else                            cout<<b<<a[i];  //注意输出a[i];                        b.clear();          //注意清空b                    }                    else                        cout<<a[i];                }            }            printf("\n");        }        else break;    }    return 0;}

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