From 3479ba3870da2d83f74c2fa84380897891ff4536 Mon Sep 17 00:00:00 2001
From: ujnomw <m.golovatskih@gmail.com>
Date: Sat, 10 Mar 2018 15:02:18 +0300
Subject: [PATCH] stringToInt implemented

---
 src/stringToInt.py | 10 +++++++++-
 1 file changed, 9 insertions(+), 1 deletion(-)

diff --git a/src/stringToInt.py b/src/stringToInt.py
index f5dbef9..b053202 100644
--- a/src/stringToInt.py
+++ b/src/stringToInt.py
@@ -1,3 +1,11 @@
 # return the int representation of string s
 def stringToInt(s):
-	pass
\ No newline at end of file
+	result = 0
+	power = 1
+	sign = 1 - 2*('-' == s[0])
+	if sign == -1:
+		s = s[1:]
+	for c in reversed(s):
+		result += (ord(c)-ord('0'))*power
+		power *= 10
+	return result*sign