Loading docs/dp/dynamic.md +1 −1 Original line number Diff line number Diff line Loading @@ -30,7 +30,7 @@ $$ 则有 DP 方程: $$ \begin{cases}f_{i,0}=\sum_{son}\max(f_{son,0},f_{son,1})\\f_{i,1}=\sum_{son}f_{son,0}\end{cases} \begin{cases}f_{i,0}=\sum_{son}\max(f_{son,0},f_{son,1})\\f_{i,1}=w_i+\sum_{son}f_{son,0}\end{cases} $$ 答案就是 $\max(f_{root,0},f_{root,1})$ . Loading Loading
docs/dp/dynamic.md +1 −1 Original line number Diff line number Diff line Loading @@ -30,7 +30,7 @@ $$ 则有 DP 方程: $$ \begin{cases}f_{i,0}=\sum_{son}\max(f_{son,0},f_{son,1})\\f_{i,1}=\sum_{son}f_{son,0}\end{cases} \begin{cases}f_{i,0}=\sum_{son}\max(f_{son,0},f_{son,1})\\f_{i,1}=w_i+\sum_{son}f_{son,0}\end{cases} $$ 答案就是 $\max(f_{root,0},f_{root,1})$ . Loading