Question

Convert the following c code programs to c++ code #include <stdio.h> //check whether the number is...

Convert the following c code programs to c++ code

#include <stdio.h>
//check whether the number is prime or not
int main()
{
   int n, i, flag = 0;
  
       printf("Enter a positive integer: ");
#include <stdio.h>
       //check whether the number is prime or not
           int main()
           {
           int n, i, flag = 0;
             
               printf("Enter a positive integer: ");
           scanf("%d", &n);
          
               for (i = 2; i <= n / 2; ++i)
               {
               // condition for nonprime number
                   if (n%i == 0)
                   {
                   flag = 1;
                   break;
                   }
               }
             
               if (n == 1)
               {
               printf("1 is neither a prime nor a composite number.");
               }
           else
               {
               if (flag == 0)
                   printf("%d is a prime number.", n);
               else
                   printf("%d is not a prime number.", n);
               }
             
               return 0;
           }

Homework Answers

Answer #1
#include <iostream>
using namespace std;

//check whether the number is prime or not
int main()
{
    int n, i, flag = 0;
  
    cout<<"Enter a positive integer: ";
    cin>>n;
          
    for (i = 2; i <= n / 2; ++i)
    {
    // condition for nonprime number
       if (n%i == 0)
            {
                flag = 1;
                break;
            }
    }
             
    if (n == 1)
    {
       cout<<"1 is neither a prime nor a composite number.";
    }
    else
    {
        if (flag == 0)
            cout<<n<<" is a prime numbaer.";
        else
            cout<<n<<" is not a prime number.";
    }             
    return 0;
}
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