The 2013 Google Code Jam has now started! I would like to share some tips that I think are very useful for competing in GCJ.
Change download location
In GCJ, you have to download the input files and solve them quickly. It is a great time saver if the input files are downloaded right to your working directory after you click “Solve X-Small” / “Solve X-Large”.
You can change the location in your browser setting. For example, in Chrome: