Sebelius

Below is my code for printing prime numbers up to a given input by user. However, my calculations are not working correctly and my output is printing twice. Any idea? :sad: #include <iostream> #include <cmath> using namespace std; void prime_num(int); int main() { cout << " Enter a number and …

Is there a function used to calculate the length of an array. For instance, if someone enters John, the function outputs 4. Or is it necessary to write a function to do it, and how is it done. (This is not homework this time, just want to know for my …