例題 5-4 反片語
阿新 • • 發佈:2018-11-01
#include<iostream> #include<string> #include<cctype> #include<vector> #include<map> #include<algorithm> using namespace std; map<string,int> cnt; vector<string> words; string repr(const string& s){ string ans=s; for(int i=0;i<ans.length();i++){ ans[i]=tolower(ans[i]); sort(ans.begin(),ans.end()); return ans; } } int main(){ int n=0; string s; while(cin>>s){ if(s[0]=='#') break; words.push_back(s); string r=repr(s); if(!cnt.count(r)) cnt[r]=0; cnt[r]++; } vector<string> ans; for(int i=0;i<words.size();i++) if(cnt[repr(words[i])]==1) ans.push_back(words[i]); sort(ans.begin(),ans.end()); for(int i=0;i<ans.size();i++) cout<<ans[i]<<"\n"; return 0; }