Freaks City

AGC010F Tree Game Let \( val[u] \) represent the number of stones located at node \( u \). A useful heuristic arises when considering a node \( u \) with a single child \( v \). If \( val[u] \le val[v] \), and the first player moves the token to \( v \), the second player can immediately move it back to \( u \). This traps the first player, lea ...