题解鸽子了。所以先公开一下原题。
- B: https://artofproblemsolving.com/community/c2532359h2747309_heyawake_part_2__penalty_theory?srsltid=AfmBOornaIF0pSFtf6SWjdha_Uw4RBl67XEYxMySjrwyvmybc-y-dNRO
- C: https://uoj.ac/problem/293
- D: Evil Subsequence
- E: All the way left
- F: Autostrada 2
