/* * The MIT License (MIT) * * Copyright (c) 2015 Ziver Koc * * Permission is hereby granted, free of charge, to any person obtaining a copy * of this software and associated documentation files (the "Software"), to deal * in the Software without restriction, including without limitation the rights * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell * copies of the Software, and to permit persons to whom the Software is * furnished to do so, subject to the following conditions: * * The above copyright notice and this permission notice shall be included in * all copies or substantial portions of the Software. * * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN * THE SOFTWARE. */ package zutil.algo.search; import zutil.algo.sort.sortable.SortableIntArray; import java.util.Arrays; /** * TODO: Convert to JUnit */ public class QuickSelectTest { public static void main(String[] args){ int[] array = {1,3,4,6,3,2,98,5,7,8,543,2,4,5,8,9,5,2,3,5,7,5,3,2,6,8,5,324,8,6}; //int[] array = {1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,17,18,19,20}; long time = System.currentTimeMillis(); int median = (Integer)QuickSelect.find(new SortableIntArray(array), array.length/2); System.out.println("QuickSelection("+(System.currentTimeMillis()-time)+"ms): "+median); time = System.currentTimeMillis(); Arrays.sort(array); System.out.println("RightAnswer("+(System.currentTimeMillis()-time)+"ms): "+array[array.length/2]); System.out.println("Sorted Array("+array.length+"): "); for(int i=0; i