hi to all user i am new in file handling , i know file handling but not much , my instructor taught me that use binary search tree in a file to search key value ,key value(like any thing such that record can be easily make out and comparision can be done ) there is a file which contains RRN (relative record no) and key and two more RRN . one RRN's key value is greatter than the given key value and another one's key value is less than the given key value .How to implement this methods .
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