Created
May 12, 2015 00:27
-
-
Save TheNerdJedi/53d2feb1756130e62fc3 to your computer and use it in GitHub Desktop.
Consec Distance????
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
package com.interview; | |
import java.util.Arrays; | |
public class ConsecutiveDistance { | |
public static class Element implements Comparable<Element> { | |
public int magnitude; | |
public int index; | |
public Element(int magnitude, int index){ | |
this.magnitude = magnitude; | |
this.index = index; | |
} | |
@Override | |
public int compareTo(Element o) { | |
if (magnitude != o.magnitude) { | |
return magnitude - o.magnitude; | |
} else { | |
return index - o.index; | |
} | |
} | |
} | |
public static int maxDistance(int[] source) { | |
Element[] elems = new Element[source.length]; | |
for(int i = 0; i < source.length; i++) { | |
elems[i] = new Element(source[i], i); | |
} | |
Arrays.sort(elems); | |
int maxDistance = 0; | |
for(int i = 1; i < elems.length; i++) { | |
if (elems[i].magnitude == elems[i-1].magnitude) { | |
continue; // Same element doesn't count as consecutive | |
} | |
int dist = elems[i].index - elems[i-1].index; | |
if(dist > maxDistance) { | |
maxDistance = dist; | |
} | |
} | |
return maxDistance; | |
} | |
public static void main(String[] args){ | |
int[] testArr = new int[]{1,3,5,5,12,13,22,2,5}; | |
System.out.println(maxDistance(testArr)); | |
} | |
} |
Sign up for free
to join this conversation on GitHub.
Already have an account?
Sign in to comment