Tree

#include <iostream>

struct Node {
  int Data;
  Node* Left;
  Node* Right;
};

void DeleteTree(Node* node) {
  if (node == nullptr) return;
  DeleteTree(node->Left);
  DeleteTree(node->Right);
  delete node;
}

int main() {
  Node* root = new Node;
  root->Data = 2;
  root->Left = nullptr;
  root->Right = nullptr;

  root->Right = new Node;
  root->Right->Data = 5;
  root->Right->Left = nullptr;
  root->Right->Right = nullptr;

  DeleteTree(root);
  return 0;
}