Binary Search Tutorial

This is a companion discussion topic for the original entry at

The tutorial is great! Explained everything clearly. But it’d be much clearer and correct if you changed the X’s in the algorithm part to lower case x, as the function binarySearch() takes the target integer as x, not X

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Thank you @anonyo.akand for pointing out this issue. I am sorry I somehow didn’t notice your post here when you actually made it.