I wonder if we can solve this problem ?
Given a DAG $$$(n \lt = 3e5, m \lt = 3e5)$$$ and $$$Q$$$ queries $$$(Q \lt = 3e5)$$$ $$$u$$$ $$$v$$$, determine if $$$u$$$ is ancestor of $$$v$$$ in DAG
DAG Queries
I wonder if we can solve this problem ?
Given a DAG $$$(n \lt = 3e5, m \lt = 3e5)$$$ and $$$Q$$$ queries $$$(Q \lt = 3e5)$$$ $$$u$$$ $$$v$$$, determine if $$$u$$$ is ancestor of $$$v$$$ in DAG
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