From ae9e75bf8b167a066fc4d91b59f956ee53478b74 Mon Sep 17 00:00:00 2001
From: github-actions <${GITHUB_ACTOR}@users.noreply.github.com>
Date: Tue, 31 Mar 2020 21:29:20 +0000
Subject: [PATCH] updating DIRECTORY.md

---
 DIRECTORY.md | 1 +
 1 file changed, 1 insertion(+)

diff --git a/DIRECTORY.md b/DIRECTORY.md
index 898e78826..061d35009 100644
--- a/DIRECTORY.md
+++ b/DIRECTORY.md
@@ -91,6 +91,7 @@
   * [Quadratic Probing Hash Table](https://github.com/TheAlgorithms/C-Plus-Plus/blob/master/hashing/quadratic_probing_hash_table.cpp)
 
 ## Math
+  * [Eulers Totient Function](https://github.com/TheAlgorithms/C-Plus-Plus/blob/master/math/eulers_totient_function.cpp)
   * [Factorial](https://github.com/TheAlgorithms/C-Plus-Plus/blob/master/math/factorial.cpp)
   * [Fast Power](https://github.com/TheAlgorithms/C-Plus-Plus/blob/master/math/fast_power.cpp)
   * [Greatest Common Divisor](https://github.com/TheAlgorithms/C-Plus-Plus/blob/master/math/greatest_common_divisor.cpp)