@[lt1526679338](/user/538273) `b[i][j] = min(min(a[i - 1][j], a[i][j - 1]), a[i - 1][j - 1])+1;` 中全部的 $a$ 改成 $b$
by Bingxiu @ 2023-11-22 07:18:09
@[Bingxiu](/user/676498) 谢啦谢啦，一下没注意
by lt1526679338 @ 2023-11-22 13:24:38