bool fnd = false;
                for (auto it = sup[0].begin(); it != sup[i].end(); it++) {
                    bool h1 = true;
                    for (i = 1; i < k; i++) {
                        if (sup[i].find(*it) == sup[i].end()) {
                            h1 = false;
                            break;
                        }
                        else {
                            continue;
                        }
                    }
                    if (h1) {
                        fnd = true;
                        break;
                    }
                    else {
                        continue;
                    }
                }
                if (fnd) {
                    s += "1";
                }
                else {
                    s += "0";
                }