* Update GrahamScan.java
improved the Javadoc comments, clarified some methods in the Point class, and corrected some text.
* Minor adjustment to GrahamScan.java
* revised GrahamScan.java
* Update-2 GrahamScan.java
* clang format GrahamScan.java
* reverted GrahamScan.java
* minor updates.java
* minor updates
* Spc.java
* clang format
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Co-authored-by: Alex Klymenko <alexanderklmn@gmail.com>