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Here is my code passed only 3 testcases using ArrayList.
can't improve much.
//package com.hackerrank.java;/** * Created by ejangpa on 1/19/2017. */importjava.io.*;importjava.util.*;importjava.text.*;importjava.math.*;importjava.util.regex.*;publicclassFindtheRunningMedian{publicstaticvoidmain(String[]args){ArrayList<Integer>list=newArrayList<Integer>();Scannerin=newScanner(System.in);intn=in.nextInt();//int[] a = new int[n];for(inta_i=0;a_i<n;a_i++){list.add(in.nextInt());doublemedian=evaluateRunningMedian(list);System.out.println(median);}}staticdoubleevaluateRunningMedian(ArrayList<Integer>list){Collections.sort(list);doublemedian=0;if(list.size()==1){median=list.get(0);}else{intsizeList=list.size();if(sizeList%2==0){doublemidElementsSum=list.get(((sizeList)/2)-1)+list.get(((sizeList)/2));median=midElementsSum/2;}else{median=list.get(((sizeList)/2));}}returnmedian;}}
Find the Running Median
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Here is my code passed only 3 testcases using ArrayList. can't improve much.