Jiu-Jitsu is a Japanese martial art. The Jiu-Jitsu School trains students in martial arts and grades the students to award different belts following an examination. These examinations run at different times depending upon the level. During the examination each student is assigned an examiner.
The Jiu-Jitsu School wants you to develop a grading app for their Yellow foundation Belt program. The Yellow belt has 4 degrees viz, 1st degree, 2nd degree, 3rd degree and 4th degree. A Degree is awarded based on the scores achieved as below.