Skip to content

Commit b94e5f9

Browse files
committed
[UPDATE] Change sieve algorithm implementation and now the solution
works well. Also added some optimizations
1 parent e88994f commit b94e5f9

File tree

1 file changed

+3
-3
lines changed

1 file changed

+3
-3
lines changed

Project-Euler/Problem035.js

Lines changed: 3 additions & 3 deletions
Original file line numberDiff line numberDiff line change
@@ -9,13 +9,13 @@
99
*
1010
* @author ddaniel27
1111
*/
12-
import { sieveOfEratosthenes } from '../Maths/SieveOfEratosthenes'
12+
import { sieveOfEratosthenes } from '../Maths/SieveOfEratosthenesIntArray'
1313

1414
function problem35 (n) {
1515
if (n < 2) {
1616
throw new Error('Invalid input')
1717
}
18-
const list = sieveOfEratosthenes(n)
18+
const list = sieveOfEratosthenes(n).filter(prime => !prime.toString().match(/[024568]/)) // Get a list of primes without 0, 2, 4, 5, 6, 8
1919

2020
const result = list.filter((number, _idx, arr) => {
2121
const str = String(number)
@@ -28,7 +28,7 @@ function problem35 (n) {
2828
return true // If all rotations are prime, then the number is circular prime
2929
})
3030

31-
return result.length
31+
return result.length + 1 // Add 2 to the result because 2 is a circular prime
3232
}
3333

3434
export { problem35 }

0 commit comments

Comments
 (0)
pFad - Phonifier reborn

Pfad - The Proxy pFad of © 2024 Garber Painting. All rights reserved.

Note: This service is not intended for secure transactions such as banking, social media, email, or purchasing. Use at your own risk. We assume no liability whatsoever for broken pages.


Alternative Proxies:

Alternative Proxy

pFad Proxy

pFad v3 Proxy

pFad v4 Proxy