Árvore binária reversa C
// For embeded systems, dont use recursion, use stack (or queue) instead
// For more details check https://iq.opengenus.org/invert-binary-tree/
/*
typedef struct stack {
stack_node_t* top;
} stack_t;
typedef struct stack_node {
tree_node_t* t_node; // Value of the stack node
stack_node_t* next;
}stack_node_t;
*/
// What else you will likely need
stack_t* init_stack();
void stack_push();
tree_node_t* stack_pop();
void reverse_tree(tree_node_t* root) {
if (root != NULL) {
stack_t* stack = init_stack(); // Initialize stack
tree_node_t* node, temp; // Binary tree nodes
while (stack->top != NULL) {
// Dont forget to free the stack node inside the stack_pop()
node = stack_pop(stack);
temp = node->left_child;
node->left_child = node->right_child;
node->right_child = temp;
if ( node->left_child != NULL ) stack_push (stack, node->left_child);
if ( node->right_child != NULL ) stack_push (stack, node->rigth_child);
}
free(stack);
}
}
Filip Výrostko
