helospark

package com.test;

import java.io.File;
import java.io.FileInputStream;
import java.io.FileOutputStream;
import java.io.IOException;
import java.net.URL;
import java.nio.channels.Channels;
import java.nio.channels.ReadableByteChannel;
import java.util.ArrayList;

helospark

package com.test;

import java.io.BufferedReader;
import java.io.FileNotFoundException;
import java.io.IOException;
import java.io.InputStreamReader;
import java.util.ArrayList;
import java.util.HashMap;
import java.util.List;
import java.util.Map;

helospark

/**
 * Finds multiplicative persistance numbers.
 * Due to parallel nature, it sometimes not finding the smallest possible multiplicative persistance numbers
 * Video: https://www.youtube.com/watch?v=Wim9WJeDTHQ
 * Oeis: https://oeis.org/A003001
 */
package com.test;

import java.math.BigInteger;
import java.util.ArrayList;