//owo owo owo owo owo owo owo owo owo owo
#include <iostream>
#include <fstream>
#define INPUT "propoz.txt"
#define OUTPUT "cuvinte.txt"
void clear(int *tabel){
    int i;
    for (i=0;i<256;i++){
        *tabel=0;
        tabel++;
    }

}
int main(){
    std::cout<<"Problema 2\n";
    std::ifstream input;
    std::ofstream output;
    input.open(INPUT);
    output.open(OUTPUT);
    int dictionar[256];
    int *pdic=&dictionar[0];
    clear(pdic);
    int i,printat;
    printat=1;
    std::string c;
    while(input){
        getline(input,c,' ');
        for (i=0;i<c.length();i++){
            dictionar[int(c[i])]+=1;
        }
        for (i=0;i<256;i++){
            if(dictionar[i]>1){
                printat=0;
                break;
            }
        }
        if (printat==1){
            output<<c;
        }
        clear(pdic);
        printat=1;
        output<<" ";
    }
    std::cout<<c;





    input.close();
    output.close();
    return 0;
}