Non-Recursive BInary Search Tree
BSTexercise
Place test files inputA1.txt, inputA2.txt, inputB1.txt, inputB2.txt into C:\input
This program tests inserting the values in InputA1.txt and inputA2.txt into a Binary Search Tree. Then it tests whether each value in inputB1.txt and inputB2.txt are in their respective tree, if so it deletes the value.