From 1697dfff314ccbbe1457e95ed736aaa296bfddcc Mon Sep 17 00:00:00 2001
From: Angeld55 <angel_dimitriev@abv.bg>
Date: Tue, 17 Nov 2020 19:24:32 +0200
Subject: added sem 6 examples

---
 Sem. 6/Task_1(with functions).cpp | 26 ++++++++++++++++++++++++++
 1 file changed, 26 insertions(+)
 create mode 100644 Sem. 6/Task_1(with functions).cpp

(limited to 'Sem. 6/Task_1(with functions).cpp')

diff --git a/Sem. 6/Task_1(with functions).cpp b/Sem. 6/Task_1(with functions).cpp
new file mode 100644
index 0000000..db68d0d
--- /dev/null
+++ b/Sem. 6/Task_1(with functions).cpp	
@@ -0,0 +1,26 @@
+#include <iostream>
+using namespace std;
+
+bool isPrime(int number)
+{
+	double temp = sqrt(number);
+	for (int i = 2; i <= temp; i++)
+	{
+		if (number % i == 0)
+			return false; //Спира функцията и връща отговор - лъжа
+	}
+	return true;
+}
+
+int main()
+{
+	int n;
+	cin >> n;
+
+	for (int i = 6; i <= n; i += 6)
+	{
+		if (isPrime(i - 1) && isPrime(i + 1))
+			cout << i - 1 << " " << i + 1 << endl;
+	}
+
+}
\ No newline at end of file
-- 
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