Answer to Question #226607 in C++ for Johnnie

Question

Write a C++ program that creates a one dimensional array with of length 5 elements. Your
program should read an integer from the keyboard and test if it is prime. If the integer is
prime, the program should insert the integer into the 3rd index of the array�

Answer 1

#include <iostream>
#include <string>






using namespace std;




//This function checks if the number is prime
bool isPrime(int number){
	if (number == 0 || number == 1) {
		return false;
	}else {
		for (int i = 2; i <= number / 2; ++i) {
			if (number % i == 0) {
				return false;
			}
		}
	}
	return true;
}
int main()
{
	int elements[5];


	for(int i=0;i<5;i++){
		cout<<"Enter element "<<(i+1)<<": ";
		cin>>elements[i];
		if(isPrime(elements[i])){
			elements[2]=elements[i];
		}
	}
	if(isPrime(elements[2])){
		cout<<"The prime number is: "<<elements[2]<<"\n";
	}


	int k;
	cin>>k;
	return 0;
}