diff --git a/src/graph/mod.rs b/src/graph/mod.rs
index 6ae1c03..a695c30 100644
--- a/src/graph/mod.rs
+++ b/src/graph/mod.rs
@@ -79,8 +79,8 @@ pub mod hungarian;
 pub mod blossom;
 pub mod walk_counts;
 
+pub mod chinese_postman;
 pub mod ford_fulkerson;
-pub mod min_mean_cycle;
 pub mod min_cost_time_ratio_cycle;
+pub mod min_mean_cycle;
 pub mod min_st_cut;
-pub mod chinese_postman;
diff --git a/src/string/mod.rs b/src/string/mod.rs
index f642a21..706d2cf 100644
--- a/src/string/mod.rs
+++ b/src/string/mod.rs
@@ -50,5 +50,5 @@ pub mod z_algorithm;
 
 pub mod atoi;
 
-pub mod trie_spell_checker;
 pub mod expression_evaluator;
+pub mod trie_spell_checker;