题解鸽子了。所以先公开一下原题。
- A: https://qoj.ac/problem/9812
- B: https://artofproblemsolving.com/community/c2532359h2747309_heyawake_part_2__penalty_theory?srsltid=AfmBOornaIF0pSFtf6SWjdha_Uw4RBl67XEYxMySjrwyvmybc-y-dNRO
- C: https://qoj.ac/problem/10352
- D: https://qoj.ac/problem/2067
- E: https://qoj.ac/problem/8550
- F: https://qoj.ac/problem/8414
