20250418 finished.

src/problem/mod.rs

@@ -605,3 +605,5 @@ mod p2179_count_good_triplets_in_an_array;
 mod p2537_count_the_number_of_good_subarrays;
 
 mod p2176_count_equal_and_divisible_pairs_in_an_array;
+
+mod p2364_count_number_of_bad_pairs;