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#include #include using namespace std; struct Node { char a; Node* left; Node* right; }; int main() { Node* head = new Node(); head->a = 'A'; head->left = new Node(); head->right = new Node(); head->left->a = 'B'; head->right->a = 'C'; head->left->left = new Node(); head->left->right = new Node(); head->left->left->a = 'D'; head->left->right->a = 'E'; char input[5]; cin >> input; int len = strle..

#include using namespace std; struct Node { int a; Node* left; Node* right; }; int main() { Node* head = new Node(); head->a = 3; head->left = new Node(); head->right = new Node(); head->left->a = 7; head->right = new Node(); head->right->a = 6; head->right->left = new Node(); head->right->left->a = 2; }