From 3573f9e8fc065808a48322a4d40387ab8db4a5c2 Mon Sep 17 00:00:00 2001
From: Sadeep Madurange <smadurange@users.noreply.github.com>
Date: Sun, 5 Dec 2021 12:57:53 +0800
Subject: 4.2

---
 4/2.c | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

(limited to '4')

diff --git a/4/2.c b/4/2.c
index 2f94001..3a3fa0b 100644
--- a/4/2.c
+++ b/4/2.c
@@ -49,7 +49,10 @@ double atof(char s[]) {
 
   exp_sign = s[i] == '-' ? -1 : 1;
 
-  for (i++, exp = 0; isdigit(s[i]); i++)
+  if (s[i] == '-' || s[i] == '+')
+    i++;
+
+  for (exp = 0; isdigit(s[i]); i++)
     exp = 10 * exp + (s[i] - '0');
   
   if (exp_sign < 0)
-- 
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