ICPC -Hangman

#include <iostream>
#include <string>
#include <vector>

using namespace std;

int main(){

    int round = 0;
    int counter = 0;
    int extraCounter = 0;
    int lostCounter = 0;
    bool found;
    string tempSolution;
    string tempGuess;


    while (round != -1){
        cin >> round;
        if(round == -1){
            break;
        }
        cin >> tempSolution;
        cin >> tempGuess;

        vector <char> solution(tempSolution.begin(), tempSolution.end());
        vector <char> guess(tempGuess.begin(), tempGuess.end());

        for (int i = 0; (unsigned)i < guess.size(); i++){
            for (int k = 0; (unsigned)k < solution.size(); k++){
                if (guess[i] == solution[k]){
                    counter++;
                    found = true;
                    for(int j = 0; (unsigned)j < solution.size() - k; j++){
                        if(solution[k] == guess[k+j+i+1]){
                            extraCounter++;

                        }
                    }
                }
            }
            cout << "extra counter: " << extraCounter << endl;
            if(!found){
                guess[i] =
                lostCounter++;
            }
            found = false;
        }

        cout << "Round " << round << endl;

        if(lostCounter >= 7){
            cout << "You lose." << endl;
        }else if(lostCounter < 7 and (unsigned)counter < solution.size() + extraCounter) {
            cout << "You chickened out." << endl;
        }else if((unsigned)counter >= solution.size() + extraCounter){
            cout << "You win." << endl;
        }
        counter = 0;
        lostCounter = 0;
        solution.clear();
        guess.clear();
    }

}