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