From a group of n questions, generate as many questionnaires as possible.
Each question contains questionId, difficulty level and tag.
- questionId in 1 to n and unique
- question tag in (tag1, tag2, tag3, tag4, tag5, tag6)
- level of difficulty in (easy, medium, difficult)
- 300 <= n <= 1000
- A question can only be used once in a quiz.
CRITERIA FOR GENERATING A QUIZ
- a single line containing n
- n following lines each containing a description of the question (see below)
- questionId tag difficulty_level