lauzi

struct GG {
    int qq[2];
    GG (int n=0, int b=0) { qq[0] = n, qq[1] = b; }
};
 
std::vector<GG> vec;
 
unsigned pushback(int nxt, int b) {
    vec.push_back(GG(nxt, b));
    return vec.size()-1;