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1 files changed, 27 insertions, 0 deletions
-rw-r--r--Sem. 04/example01_with_functions.cpp27
diff --git a/Sem. 04/example01_with_functions.cpp b/Sem. 04/example01_with_functions.cpp
new file mode 100644
index 0000000..f33b6b9
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+++ b/Sem. 04/example01_with_functions.cpp
@@ -0,0 +1,27 @@
+#include <iostream>
+using namespace std;
+
+bool isPrime(int n)
+{
+ double temp = sqrt(n);
+
+ for (int i = 2; i <= temp; i++)
+ {
+ if (n % i == 0)
+ return false;
+ }
+
+ 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