Class

#include <string>
#include <fstream>
#include <iostream>
#include <deque>
#include <iomanip>
#include <queue>         #include <iostream>
#include <fstream>
#include <string>
#include <vector>
;using namespace std;

class BinaryTree{
public:
    BinaryTree *left, *right;
    int data;
    BinaryTree() : left(NULL), right(NULL){};
    ~BinaryTree();
    void add_node(BinaryTree *tree,vector<int> str1);

}