From 610064d2bd68742d3be4e97044fe65ef3ff687e1 Mon Sep 17 00:00:00 2001
From: github-actions <${GITHUB_ACTOR}@users.noreply.github.com>
Date: Sat, 13 Feb 2021 16:15:17 +0000
Subject: [PATCH] updating DIRECTORY.md

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

diff --git a/DIRECTORY.md b/DIRECTORY.md
index 66d679295..f44e44cc5 100644
--- a/DIRECTORY.md
+++ b/DIRECTORY.md
@@ -167,6 +167,7 @@
   * [Haversine](https://github.com/TheAlgorithms/Javascript/blob/master/Navigation/Haversine.test.js)
 
 ## Project-Euler
+  * [Problem013](https://github.com/TheAlgorithms/Javascript/blob/master/Project-Euler/Problem013.js)
   * [Problem014](https://github.com/TheAlgorithms/Javascript/blob/master/Project-Euler/Problem014.js)
   * [Problem020](https://github.com/TheAlgorithms/Javascript/blob/master/Project-Euler/Problem020.js)
   * [Problem1](https://github.com/TheAlgorithms/Javascript/blob/master/Project-Euler/Problem1.js)