sem 8

1 files changed, 40 insertions, 0 deletions

diff --git a/Sem. 06/Task_1(without functions).cpp b/Sem. 06/Task_1(without functions).cpp
new file mode 100644
index 0000000..9e5bcdb
--- /dev/null
+++ b/Sem. 06/Task_1(without functions).cpp
@@ -0,0 +1,40 @@
+#include <iostream>
+using namespace std;
+
+int main()
+{
+	int n;
+	cin >> n;
+
+	for (int i = 6; i <= n; i+=6)
+	{
+		int firstNumToCheck = i - 1, secondNumToCheck = i + 1;
+
+		double temp = sqrt(firstNumToCheck);
+		bool isFirstNumPrime = true;
+		for (int j = 2; j <= temp; j++)
+		{
+			if (firstNumToCheck % j == 0)
+			{
+				isFirstNumPrime = false;
+				break;
+			}
+		}
+
+		if (!isFirstNumPrime)
+			continue;
+		double temp2 = sqrt(secondNumToCheck);
+		bool isSecondNumPrime = true;
+		for (int j = 2; j <= temp2; j++)
+		{
+			if (secondNumToCheck % j == 0)
+			{
+				isSecondNumPrime = false;
+				break;
+			}
+		}
+		if (isSecondNumPrime)
+			cout << firstNumToCheck << " " << secondNumToCheck << endl;
+	}
+
+}
\ No newline at end of file