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1 files changed, 39 insertions, 0 deletions
| -rw-r--r-- | Sem. 04/example01_no_functions.cpp | 39 |
diff --git a/Sem. 04/example01_no_functions.cpp b/Sem. 04/example01_no_functions.cpp new file mode 100644 index 0000000..06e6629 --- /dev/null +++ b/Sem. 04/example01_no_functions.cpp @@ -0,0 +1,39 @@ +#include <iostream>
+using namespace std;
+
+
+int main()
+{
+ int n;
+ cin >> n;
+
+ for (int i = 6; i < n; i += 6)
+ {
+ int firstToCheck = i - 1;
+ int secondToCheck = i + 1;
+
+ //prime check
+ bool isFirstPrime = true;
+ double temp = sqrt(firstToCheck);
+ for (int j = 2; j <= temp; j++)
+ {
+ if (firstToCheck % j == 0)
+ isFirstPrime = false;
+ }
+
+ if (!isFirstPrime)
+ continue;
+
+ //prime check
+ bool isSecondPrime = true;
+ double temp2 = sqrt(secondToCheck);
+ for (int j = 2; j <= temp2; j++)
+ {
+ if (secondToCheck % j == 0)
+ isSecondPrime = false;
+ }
+
+ if (isSecondPrime)
+ cout << firstToCheck << " " << secondToCheck << endl;
+ }
+}
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