#include "btree.h" int main(void) { Tree btree; ElemType e; InitTree(&btree); int size = 10; char a[] = {'a','b','c','d','e','A','B','C','D','E'}; if (EmptyTree(&btree)) printf("It's empty\n"); for (int i = 0; i < size; i++) AddItem(a[i],&btree); printf("Tree content: %d\n", CountItem(&btree)); PrintTree(btree.root); putchar('\n'); DeleteItem('c',&btree); PrintTree(btree.root); putchar('\n'); ResTree(btree.root); return 0; }