Name That Number

  暴力打表，建立以数字串为关键字的multimap，直接查表输出即可。

#pragma warning(disable:4786)#include<iostream>#include<string>#include<fstream>#include<map>using namespace std;int hash[26]={ 2,2,2,3,3,3,4,4,4,5,5,5,6,6,6,7,0,7,7,8,8,8,9,9};multimap<string,string> map1;int main(){ifstream cin1("dict.txt");ifstream cin("namenum.in");ofstream cout("namenum.out");string str;while(cin1){cin1>>str;int i=0;string tmp="";while(str[i]!='/0'){tmp+=( (char)( hash[str[i]-'A']+'0' ) );i++;}map1.insert( make_pair<string,string>(tmp,str) );}pair<multimap<string,string>::iterator,multimap<string,string>::iterator> ret;cin>>str;ret=map1.equal_range(str); for(multimap<string,string>::iterator iter=ret.first;iter!=ret.second;iter++){cout<<iter->second<<endl;}if(ret.first==ret.second)cout<<"NONE"<<endl;return 0;}