UIT problemset #2

1. Problem 8.02:

• Code: https://pastebin.com/rpp0ceCx

2. Problem 8.03:

• Code: https://pastebin.com/Fg449M6J

3. Problem 8.04:

4. Problem 8.05:

5. Problem ngày lễ:

• Code: https://ideone.com/hL2o8r

6. Problem 8.06:

• Code: https://pastebin.com/EMbm3C9A

7. Problem 8.08:

• Code: https://pastebin.com/wjyDYEps

8. Problem 8.09:

• Code: https://pastebin.com/mTpN6ApS

9. Problem 8.10:

• Code: https://pastebin.com/vDbhjbuf