20250125 finished.

src/problem/mod.rs

@@ -452,3 +452,5 @@ mod p1561_maximum_number_of_coins_you_can_get;
 mod p2920_maximum_points_after_collecting_coins_from_all_nodes;
 
 mod p2944_minimum_number_of_coins_for_fruits;
+
+mod p2412_minimum_money_required_before_transactions;