From 1ec172c390baed64caaa32fcfaffc9223347afd7 Mon Sep 17 00:00:00 2001
From: JIU JIALIN <2339061402@qq.com>
Date: Fri, 11 Jul 2025 17:46:43 +0800
Subject: [PATCH] =?UTF-8?q?=E6=B7=BB=E5=8A=A0=E5=87=8F=E5=87=BD=E6=95=B0?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

---
 JJL.c | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/JJL.c b/JJL.c
index a26b925..82865e4 100644
--- a/JJL.c
+++ b/JJL.c
@@ -5,6 +5,11 @@ int add(int a,int b)
     return a + b;
 }
 
+int sub(int a,int b)
+{
+    return a-b;
+}
+
 int main()
 {
     printf("hello world!");