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Prime generator

Name: Anonymous 2012-01-06 11:59

#include <iostream>
using namespace std;

///////World's smallest prime number generator (u jelly? u mirin? lol deal with it homo)
int main() {
    int count,n = 0;
    cout << "\t>that feel when prime number generator\n\nEnter the number at which you want to stop checking primes--go!\n";
    cin >> n;
    cout << "\n\n";
    for(int i=2;i<=n;++i) {
        for(int b=2;b<i;++b) {
            if((i%b)==0 && i!=b) ++count;
        }
        if(count==0) cout << i << " is a prime\n";
        count=0;
    }
    return 0;
}

Name: Anonymous 2012-01-06 15:49

primes :: [Integer]
primes = 2:filter (isPrime) [3,5..]

isPrime :: Integer -> Bool
isPrime n = all (\p -> n `mod` p /= 0) $ takeWhile (\p -> p * p <= n) primes

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