preorder
void preorder(Node* root){
if(root != NULL){
cout<<root->data<<" ";
preorder(root->left);
preorder(root->right);
}
}preorder
void preorder(Node* root){
if(root != NULL){
cout<<root->data<<" ";
preorder(root->left);
preorder(root->right);
}
}Copyright © 2021 Codeinu
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