Ananagrams

#include <iostream>
#include <map>
#include <cstring>
#include <set>
using namespace std;
string arr[100000];
int ana[100000];
int nwords;
set<string>resp;
char minuscula(char c){

    if (c>='A' && c<='Z'){
        return (c+'a'-'A');
        }
    return c;
}
int veces(char c,int n){
    int nveces=0;
    for (int i=0;i<arr[n].size();i++)
        if (minuscula(arr[n][i])==c)
            nveces++;
    return nveces;
}
int SonAnagramas(int a,int b){
    //cout<<"Veamos si "<<arr[a]<<" y "<<arr[b]<<" son anagramas"<<endl;
    //cout<<arr[a].size()<<" "<<arr[b].size()<<endl;
    if (arr[a].size()!=arr[b].size())
        return 0;
    for (int i=0;i<arr[a].size();i++){
        char c=minuscula(arr[a][i]);
        //cout<<c<<" aparece en "<<arr[a]<<" "<<veces(c,a)<<"veces y aparece en "<<arr[b]<<" "<<veces(c,b)<<" veces."<<endl;
        if (veces(c,a)!=veces(c,b)){
            //cout<<"No son anagramas"<<endl;
            return 0;}
    }
    return 1;
}
void VerificaAnanagrama(int n){
    int anag=1;
    for (int i=(n+1);i<nwords;i++){
        if (ana[i]==1){
            //cout<<arr[i]<<" es ananagrama, comparemos"<<endl;
            if (SonAnagramas(n,i)){
                //cout<<arr[n]<<" y "<<arr[i]<<" son anagramas"<<endl;
                anag=0;
                ana[n]=0;ana[i]=0;
            }
        }
    }
    if (anag==1)
        resp.insert(arr[n]);
}
int main() {
    string s;

    for (int i=0;i<100000;i++) ana[i]=1;
    nwords=0;
    while (cin>>s && s!="#"){
            arr[nwords]=s;
            nwords++;
    }
    for (int i=0;i<nwords;i++){
        if (ana[i]==1){
            //cout<<"se va a verificar: "<<arr[i]<<endl;
            VerificaAnanagrama(i);}
    }

    for (set<string>::iterator it=resp.begin();it!=resp.end();it++)
        cout<<*(it)<<endl;


}