HDU 2072

用STL比较快

#include<iostream>#include<set>#include<sstream>using namespace std;set<string>dict;int main(){string s,buf;while(getline(cin,s)){dict.clear();if(s[0]=='#')  break;stringstream ss(s);while(ss>>buf) dict.insert(buf);cout<<dict.size()<<endl;}return 0;}