Question

class Node
{
    int x,y;
    Node *left, *right;
    Node(int x, int y);
    Node();
};

How do I make a deque using this?

deque<Node> balBinaryTree;

gives me errors

syntax error : missing ';' before '<'
error C4430: missing type specifier - int assumed. Note: C++ does not support default-int
error C2238: unexpected token(s) preceding ';'

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also should I do

  deque<Node> balBinaryTree;

or

  deque<Node*> balBinaryTree;

Answer 1

#include <deque>
std::deque<Node> balBinaryTree;

also should I do

deque<Node> balBinaryTree; or

deque<Node*> balBinaryTree;

You should decide it yourself.
deque<Node> leads to unnecessary copying.
deque<Node*> leads to possible memory management problems.