diff --git a/src/data_structures/mod.rs b/src/data_structures/mod.rs
index 7baffb1..df434dd 100644
--- a/src/data_structures/mod.rs
+++ b/src/data_structures/mod.rs
@@ -81,9 +81,9 @@ pub mod tree_serialize;
 
 pub mod largest_histogram_rect;
 
-pub mod xor_doubly_linked_list;
+pub mod game_of_life;
+pub mod lfu_cache;
 pub mod max_stack;
 pub mod running_median;
-pub mod game_of_life;
 pub mod unival_subtrees;
-pub mod lfu_cache;
+pub mod xor_doubly_linked_list;
diff --git a/src/searching/mod.rs b/src/searching/mod.rs
index 92d3e17..4fa2175 100644
--- a/src/searching/mod.rs
+++ b/src/searching/mod.rs
@@ -27,7 +27,7 @@ pub mod two_sum;
 
 pub mod k_sum_meet_middle;
 
-pub mod product_except_self;
 pub mod first_missing_positive;
-pub mod trapping_rain_water;
 pub mod k_closest_points;
+pub mod product_except_self;
+pub mod trapping_rain_water;
diff --git a/src/string/mod.rs b/src/string/mod.rs
index 3f43a8c..74b1246 100644
--- a/src/string/mod.rs
+++ b/src/string/mod.rs
@@ -53,6 +53,6 @@ pub mod atoi;
 pub mod expression_evaluator;
 pub mod trie_spell_checker;
 
-pub mod trie_autocomplete;
 pub mod rpn_evaluator;
 pub mod text_justify;
+pub mod trie_autocomplete;