CP-Snippets

interactive

void solve(){
    int n; cin>>n;
    
    auto querySystem = [&](int l, int r) {
        // print your query
        cout<<r-l+1<<endl;
        cout<<endl;
        // receive and return reply from system
        int wt; cin>>wt;
        return wt;
    };

    // write your logic here and use querySystem to receive answer to query
    // do a cout<<endl after each cout

    
    cout<<endl;
}