A Computer Science portal for geeks. Writing code in comment? code. Considered as the âOlympics of Programming Competitions,â the Association for Computing Machinery â International Collegiate Programming Contest or ACM-ICPC is one of the oldest and most esteemed programming competitions in the world. Ruby Graham (born Jenkinson) was born on month day 1899, at birth place, to William Thomas Jenkinson and Lucy Ann or Anne Jenkinson (born Sleep). The Astro Spiral project presents an innovative way to compare astronomical images of the sky by building a convex spiral (modification of the Graham Scan algorithm for convex hull) according to the bright objects in a photo. If you have any comments, ideas or feedback, feel free to contact us at eval(decodeURIComponent('%64%6f%63%75%6d%65%6e%74%2e%77%72%69%74%65%28%27%3c%61%20%68%72%65%66%3d%5c%22%6d%61%69%6c%74%6f%3a%74%65%61%6d%40%61%70%69%64%6f%63%6b%2e%63%6f%6d%5c%22%3e%74%65%61%6d%40%61%70%69%64%6f%63%6b%2e%63%6f%6d%3c%5c%2f%61%3e%27%29%3b')).