ZOJ1109 Language of FatMouse

We all know that FatMouse doesn't speak English. But now he has to be
prepared since our nation will join WTO soon. Thanks to Turing we have
computers to help him.

Input Specification

Input consists of up to 100,005 dictionary entries, followed by a blank
line, followed by a message of up to 100,005 words. Each dictionary entry is a
line containing an English word, followed by a space and a FatMouse word. No
FatMouse word appears more than once in the dictionary. The message is a
sequence of words in the language of FatMouse, one word on each line. Each word
in the input is a sequence of at most 10 lowercase letters.

Output Specification

Output is the message translated to English, one word per line. FatMouse
words not in the dictionary should be translated as "eh".

Sample Input

dog ogday

cat atcay

pig igpay

froot ootfray

loops oopslay

atcay

ittenkay

oopslay

Output for Sample Input

cat

eh

loops

代码：

#include<iostream>
#include<map>
#include<string>
#include <algorithm>
using namespace std ;

int main()
{
string strTmp;
map<string, string> dictionary;//词典
map<string, string>::iterator iter;

//构造词典
while(getline(cin,strTmp))
{
if (strTmp.compare("")==0)
{//词典项输入结束
break;
}
string strKey,strValue;
string::iterator pos = strTmp.begin();
pos = find(strTmp.begin(),strTmp.end(),' ');//找到空格分隔符
copy(strTmp.begin(),pos,back_inserter(strValue));//值
copy(pos+1,strTmp.end(),back_inserter(strKey));//键
dictionary[strKey] = strValue;//构造词典项
}
//在词典中查询单词
while(cin>>strTmp)
{
iter = dictionary.find(strTmp);
if (iter!=dictionary.end())
{//在词典中
cout<<dictionary[strTmp]<<endl;
}
else
{//不在词典中
cout<<"eh"<<endl;
}
}
return 0 ;
}