English: Geometric visualization of the X + Y sorting problem. The input sets X and Y are represented by the sets of vertical and horizontal black lines (respectively), and the problem is to sort their crossings by the coefficients of the red lines.
The person who associated a work with this deed has dedicated the work to the public domain by waiving all of their rights to the work worldwide under copyright law, including all related and neighboring rights, to the extent allowed by law. You can copy, modify, distribute and perform the work, even for commercial purposes, all without asking permission.
http://creativecommons.org/publicdomain/zero/1.0/deed.enCC0Creative Commons Zero, Public Domain Dedicationfalsefalse
Captions
Geometric visualization of the X + Y sorting problem