Design an Ordered Stream.cpp

class OrderedStream {
public:
    int pointer = 0;
    vector<string>stream;
    
    OrderedStream(int n) {
        stream.resize(n);
    }
    
    vector<string> insert(int idKey, string value) {
        vector<string>ans;
        
        stream[idKey-1] = value;
        
        while(pointer<stream.size() and stream[pointer] != ""){
            ans.push_back(stream[pointer]);
            pointer++;
        }
        
        return ans;
    }
};