Database System Concepts
Database System Concepts
7th Edition
ISBN: 9780078022159
Author: Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Publisher: McGraw-Hill Education
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[画像:/** removeDuplicates returns a new array containing the unique values in the * array. There should not be any extra space in the array --- there should * be exactly one space for each unique element (Hint: numUnique tells you * how big the array should be). You may assume that the list is sorted, as * you did for numUnique. * * * Your solution may call numUnique, but should not call any other * functions. After the call to numUnique, you must go through the array * exactly one more time. Here are some examples (using "==" informally): * * * * * * * * * <pre> } new double[] { } == removeDuplicates (new double[] { }) new double[] {11} removeDuplicates (new double[] {11}) == removeDuplicates (new double[] { 11, 11, 11, 11 }) new double[] { 11, 22, 33, 44, 55, 66, 77, 88 } == removeDuplicates (new double[] { 11, 11, 11, 11, 22, 33, 44, 44, 44, 44, 44, 55, 55, 66, 77, 88, 88 }) removeDuplicates (new double[] { 11, 22, 33, 44, 44, 44, 44, 44, 55, 55, 66, 77, 88 }) == == * </pre> */ public static double [] removeDuplicates (double[] list) { double [] result = new double[numUnique (list)]; // .. return result; // TODO: fix this]
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Transcribed Image Text:/** removeDuplicates returns a new array containing the unique values in the * array. There should not be any extra space in the array --- there should * be exactly one space for each unique element (Hint: numUnique tells you * how big the array should be). You may assume that the list is sorted, as * you did for numUnique. * * * Your solution may call numUnique, but should not call any other * functions. After the call to numUnique, you must go through the array * exactly one more time. Here are some examples (using "==" informally): * * * * * * * * * <pre> } new double[] { } == removeDuplicates (new double[] { }) new double[] {11} removeDuplicates (new double[] {11}) == removeDuplicates (new double[] { 11, 11, 11, 11 }) new double[] { 11, 22, 33, 44, 55, 66, 77, 88 } == removeDuplicates (new double[] { 11, 11, 11, 11, 22, 33, 44, 44, 44, 44, 44, 55, 55, 66, 77, 88, 88 }) removeDuplicates (new double[] { 11, 22, 33, 44, 44, 44, 44, 44, 55, 55, 66, 77, 88 }) == == * </pre> */ public static double [] removeDuplicates (double[] list) { double [] result = new double[numUnique (list)]; // .. return result; // TODO: fix this
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