From 338743838898f7f32ee31074e7217bf4032d234b Mon Sep 17 00:00:00 2001
From: fdai7968 <julian.schneider@informatik.hs-fulda.de>
Date: Mon, 5 Feb 2024 19:44:03 +0000
Subject: [PATCH] refactoring: if one a or b is zero just return the other

---
 src/subtraction/subtraction.c | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/src/subtraction/subtraction.c b/src/subtraction/subtraction.c
index 31d373d..f853998 100644
--- a/src/subtraction/subtraction.c
+++ b/src/subtraction/subtraction.c
@@ -1,3 +1,6 @@
+#include "subtraction.h"
 int subtract(int a, int b) {
-    return a - b;
+    if (a==0) return b;
+    if(b==0) return a;
+    else return a - b;
 }