참고문헌
- Asia-Specific Regional Contest Rules, http://uweb. txstate.edu/-ch01/Rule.html
- Welcome to the PC2 Home Page!, http://www.ecs.csus.edu/pc2/
- Rules of the 2007 ICPC Regional Contests, http:// icpc.baylor.edu/icpc/info/default.htm
- FACT SHEET, World Finals on Tokyo Bay, http:// icpc.baylor.edu/about/2007/Factsheet.pdf