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  1. import java.util.*;
  2. import java.lang.*;
  3. import java.io.*;
  4.  
  5. class Ideone {
  6. 	public static void main (String[] args) throws java.lang.Exception {
  7. 		String url = "https://m...content-available-to-author-only...a.com/shop/face-wash-facial-cleanser";
  8. 		System.out.println(getPageHash(url));
  9. 	}
  10.  
  11. 	public static String getPageHash(String url) {
  12.         long hash = 0L;
  13.         char[] characterArray = url.toCharArray();
  14.         for (int characterOrd : characterArray) {
  15.             long temp1 = getSignedNumber(hash << 5);
  16.             long temp2 = getSignedNumber(temp1 - hash);
  17.             hash = getSignedNumber(temp2 + (long) characterOrd);
  18.             hash = getSignedNumber(hash);
  19.         }
  20.         return hash < 0L ? String.format("0%s", -hash) : String.format("%s", hash);
  21.     }
  22.  
  23.     private static long getSignedNumber(long number) {
  24.         int bitLength = 32;
  25.         long mask = (long) (Math.pow(2.0D, (double) bitLength) - 1.0D);
  26.         long testMask = 1L << bitLength - 1;
  27.         return (number & testMask) != 0L ? number | ~mask : number & mask;
  28.     }
  29. }
  30.  
Success #stdin #stdout 0.12s 34236KB
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01311760295
https://ideone.com/N2lvrV
language:
Java (HotSpot 12)
created:
4 years ago
visibility:
public

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