From 2d690dadaf0dc606c59ae688011bac2af48d5d69 Mon Sep 17 00:00:00 2001
From: Angel Dimitriev <achi_d@abv.bg>
Date: Fri, 5 Nov 2021 01:46:21 +0200
Subject: Update example01_with_functions.cpp

---
 Sem. 04/example01_with_functions.cpp | 7 +++++--
 1 file changed, 5 insertions(+), 2 deletions(-)

(limited to 'Sem. 04/example01_with_functions.cpp')

diff --git a/Sem. 04/example01_with_functions.cpp b/Sem. 04/example01_with_functions.cpp
index f33b6b9..64d4367 100644
--- a/Sem. 04/example01_with_functions.cpp	
+++ b/Sem. 04/example01_with_functions.cpp	
@@ -1,8 +1,11 @@
 #include <iostream>
 using namespace std;
 
-bool isPrime(int n)
+bool isPrime(unsigned n)
 {
+	if(n <= 1)
+		return false;
+
 	double temp = sqrt(n);
 
 	for (int i = 2; i <= temp; i++)
@@ -24,4 +27,4 @@ int main()
 		if (isPrime(i - 1) && isPrime(i + 1))
 			cout << i - 1 << " " << i + 1 << endl;
 	}
-}
\ No newline at end of file
+}
-- 
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