C++

Forum

 
Prime numbers over 1000

HaloMonkey8 (2)
I tried making an array of 30...but nothing is coming out. Tried a combination of a while/for loop...but I think I'm confusing the program. Can I get some assistance, please?

1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
 
#include "stdafx.h"
#include <iostream>
#include <iomanip>

using namespace std;

int main()
{
 int N[30], *pN;
 pN = N;

 PrimeArray(pN,30);
 PrimeArrayDisplay(pN, 30);
 return 0;
  
}
void PrimeArray(int *PrArray, int Number)
{
	int i, k, prime;
	i = 0;

	while (1 < Number)
	{
		prime=2;
		int limit = sqrt(double(prime));
		for (k = 2; k <= limit; k++)
		{
			if (limit % k == 0)
			{
				break;
			} 
		}
		if ( k == limit)
		{
		*PrArray++ = prime;
		i++;
		}
		prime++;
	}
}

void PrimeArrayDisplay(int *PrArray, int Number)
{
	cout << "Display 30 Prime Numbers > 1001";

	int i;
	i = 0;

	while (k < Number)
	{
		cout << "\n\t\t\tThe array N[" << setw(2) << i << "] = " << *PrArray++;
		i++;
	}
}
Zaita (2770)
Wow everyone is working on Prime numbers today.
Have a look at:
http://www.cplusplus.com/forum/beginner/98616/
and
http://www.cplusplus.com/forum/general/98431/

Where I have just posted enough code to answer your question :)
HaloMonkey8 (2)
ok...I'm new so I haven't searched far. Thanks Zaita.
Topic archived. No new replies allowed.