From 2d415763d7f456fc5313bee05dfe746e4614dd67 Mon Sep 17 00:00:00 2001
From: chestamittal <53469607+chestamittal@users.noreply.github.com>
Date: Tue, 27 Oct 2020 01:09:08 +0530
Subject: [PATCH] Update math/lcm_sum.cpp

Co-authored-by: Ayaan Khan <ayaankhan98@gmail.com>
---
 math/lcm_sum.cpp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/math/lcm_sum.cpp b/math/lcm_sum.cpp
index 4800ed66a..34b46020f 100644
--- a/math/lcm_sum.cpp
+++ b/math/lcm_sum.cpp
@@ -25,7 +25,7 @@ namespace math {
      * @param num input number
      * @returns int Sum of LCMs, i.e. ∑LCM(i, num) from i = 1 to num
      */
-    uint64_t lcmSum(uint16_t num) {
+    uint64_t lcmSum(const uint16_t& num) {
    
         uint64_t i=0, j=0;
         std::vector <uint64_t> eulerTotient(num+1);