akash012-ctrl

import express from "express";
import dotenv from "dotenv";
import morgan from "morgan";
import rateLimit from "express-rate-limit";
import helmet from "helmet";
import cookieParser from "cookie-parser";
import hpp from "hpp";
import mongoSanitize from "express-mongo-sanitize";
import cors from 'cors'

akash012-ctrl

#include<vector>
using namespace std;

template<typename T>
class TreeNode {
public:
    T data;
    vector<TreeNode<T>*> children;
    TreeNode(T data) {
        this->data = data;