huffman

vector<bool> code;
map<char,vector<bool> > table;

void BuildTable(Node *root)
{
    if (root->left!=NULL)
                      { code.push_back(0);
                      BuildTable(root->left);}

    if (root->right!=NULL)
                       { code.push_back(1);
                       BuildTable(root->right);}

    if (root->left==NULL && root->right==NULL) table[root->c]=code;

    code.pop_back();
}