20250311 finished.

src/problem/mod.rs

@@ -530,3 +530,5 @@ mod p2234_maximum_total_beauty_of_the_gardens;
 mod p2070_most_beautiful_item_for_each_query;
 
 mod p2269_find_the_k_beauty_of_a_number;
+
+mod p2012_sum_of_beauty_in_the_array;