TLE85pts，开O2也只有95pts，求助

P1074 [NOIP2009 提高组] 靶形数独

把能想到的剪枝都用了，求调
by Comars @ 2023-01-23 16:22:34

---

dfs!!!!!!!!!!
by Tx1234567 @ 2023-05-29 21:27:47

---

|