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1 files changed, 27 insertions, 0 deletions
| -rw-r--r-- | Sem. 04/example1_with_functions.cpp | 27 |
diff --git a/Sem. 04/example1_with_functions.cpp b/Sem. 04/example1_with_functions.cpp new file mode 100644 index 0000000..f33b6b9 --- /dev/null +++ b/Sem. 04/example1_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;
+ }
+}
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