瀏覽代碼

Kenneth Fund. Drills1

Arin Turpin 6 年之前
父節點
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e7647cfb0e

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.idea/.name 查看文件

@@ -0,0 +1 @@
1
+FundamentalDrills-Part1

+ 16
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.idea/compiler.xml 查看文件

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+<?xml version="1.0" encoding="UTF-8"?>
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+<project version="4">
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+  <component name="CompilerConfiguration">
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+    <annotationProcessing>
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+      <profile name="Maven default annotation processors profile" enabled="true">
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+        <sourceOutputDir name="target/generated-sources/annotations" />
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+        <sourceTestOutputDir name="target/generated-test-sources/test-annotations" />
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+        <outputRelativeToContentRoot value="true" />
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+        <module name="FundamentalDrills-Part1" />
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+      </profile>
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+    </annotationProcessing>
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+    <bytecodeTargetLevel>
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+      <module name="FundamentalDrills-Part1" target="1.5" />
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+    </bytecodeTargetLevel>
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+  </component>
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+</project>

+ 13
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.idea/misc.xml 查看文件

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+<?xml version="1.0" encoding="UTF-8"?>
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+<project version="4">
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+  <component name="MavenProjectsManager">
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+    <option name="originalFiles">
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+      <list>
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+        <option value="$PROJECT_DIR$/pom.xml" />
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+      </list>
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+    </option>
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+  </component>
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+  <component name="ProjectRootManager" version="2" project-jdk-name="1.8" project-jdk-type="JavaSDK">
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+    <output url="file://$PROJECT_DIR$/classes" />
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+  </component>
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+</project>

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.idea/modules.xml 查看文件

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+<?xml version="1.0" encoding="UTF-8"?>
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+<project version="4">
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+  <component name="ProjectModuleManager">
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+    <modules>
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+      <module fileurl="file://$PROJECT_DIR$/FundamentalDrills-Part1.iml" filepath="$PROJECT_DIR$/FundamentalDrills-Part1.iml" />
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+    </modules>
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+  </component>
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+</project>

+ 6
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.idea/vcs.xml 查看文件

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+<?xml version="1.0" encoding="UTF-8"?>
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+<project version="4">
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+  <component name="VcsDirectoryMappings">
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+    <mapping directory="$PROJECT_DIR$" vcs="Git" />
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+  </component>
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+</project>

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FundamentalDrills-Part1.iml 查看文件

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+<?xml version="1.0" encoding="UTF-8"?>
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+<module org.jetbrains.idea.maven.project.MavenProjectsManager.isMavenModule="true" type="JAVA_MODULE" version="4">
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+  <component name="NewModuleRootManager" LANGUAGE_LEVEL="JDK_1_5">
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+    <output url="file://$MODULE_DIR$/target/classes" />
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+    <output-test url="file://$MODULE_DIR$/target/test-classes" />
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+    <content url="file://$MODULE_DIR$">
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+      <sourceFolder url="file://$MODULE_DIR$/src/main/java" isTestSource="false" />
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+      <sourceFolder url="file://$MODULE_DIR$/src/test/java" isTestSource="true" />
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+      <excludeFolder url="file://$MODULE_DIR$/target" />
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+    </content>
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+    <orderEntry type="inheritedJdk" />
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+    <orderEntry type="sourceFolder" forTests="false" />
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+    <orderEntry type="library" scope="TEST" name="Maven: junit:junit:4.12" level="project" />
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+    <orderEntry type="library" scope="TEST" name="Maven: org.hamcrest:hamcrest-core:1.3" level="project" />
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+  </component>
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+</module>

+ 70
- 10
src/main/java/io/zipcoder/ArrayDrills.java 查看文件

@@ -9,8 +9,12 @@ public class ArrayDrills {
9 9
      * example : firstLast(6, [1,2,6); // Should return true
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      *           firstLast(6, [1,2,3]); // Should return false
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      */
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-    public Boolean firstLast(Integer value, Integer[] input){
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-        return null;
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+    public boolean firstLast(Integer value, Integer[] input) {
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+        boolean result = false;
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+        if (value == input[0] || value == input[input.length - 1]) {
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+            result = true;
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+        }
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+        return result;
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     }
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     /**
@@ -18,8 +22,13 @@ public class ArrayDrills {
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      * example : sameFirstLast([1,2,3]); // Should return false
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      *           sameFirstLast([1,2,1]); // Should return true
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      */
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-    public Boolean sameFirstLast(Integer[] input){
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-        return null;
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+    public boolean sameFirstLast(Integer[] input){
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+    boolean x = false;
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+    if (input.length >= 1 && input[0].equals(input[input.length-1])){
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+        x = true;
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+    }
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+    boolean x2 = x;
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+        return x2;
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     }
24 33
 
25 34
 
@@ -30,7 +39,12 @@ public class ArrayDrills {
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      *           commonEnd([1, 2, 3], [7, 3, 2]); // Should return false
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      */
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     public Boolean commonEnd(Integer[] input1, Integer[] input2){
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-        return null;
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+        boolean testing = false;
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+        if (input1[0] == input2[0] || input1[input1.length-1].equals(input2[input2.length-1])){
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+            testing = true;
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+        }
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+        Boolean testing2 = testing;
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+        return testing2;
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     }
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     /**
@@ -39,7 +53,14 @@ public class ArrayDrills {
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      *           rotateLeft([5, 11, 9]); // Should return [11,9,5]
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      */
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     public Integer[] rotateLeft(Integer[] input){
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-        return null;
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+        Integer x = input[0];
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+
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+        for (Integer i = 0; i < input.length-1; i++){
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+            input[i] = input[i + 1];
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+        }
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+
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+        input[input.length - 1] = x;
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+        return input;
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     }
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45 66
 
@@ -50,7 +71,21 @@ public class ArrayDrills {
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      *           maxValue([5, 11, 9]); // Should return [11,11,11]
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      */
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     public Integer[] maxValue(Integer[] input){
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-        return null;
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+        Integer[] x = new Integer[input.length];
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+
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+        for(Integer i = 0; i < input.length; i++){
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+            Integer changing = 0;
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+            if(input[i] > changing){
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+                changing = i;
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+            }
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+            for(Integer q = 0; q < x.length; q++){
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+                x[q] = changing;
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+            }
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+        }
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+//        for(Integer q = 0; q > x.length; q++){
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+//            x[q] = changing;
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+//        }
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+        return x;
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     }
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56 91
 
@@ -61,7 +96,23 @@ public class ArrayDrills {
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      *           middleWay([5, 1, 2, 9], [3, 4, 5, 5]); // Should return [3, 9]
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      */
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     public Integer[] middleWay(Integer[] input1, Integer[] input2){
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-        return null;
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+        Integer[] x = new Integer[2];
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+        if(input1.length % 2 != 0){
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+            x[0] = input1[input1.length/2];
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+        } else
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+
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+            if(input1.length % 2 == 0){
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+            x[0] = (input1[input1.length/2]) + (input1[input1.length/2 - 1]);
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+        }
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+
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+        if(input2.length % 2 != 0){
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+            x[1] = input2[input2.length/2];
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+        } else
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+
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+        if(input2.length % 2 == 0){
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+            x[1] = (input2[input2.length/2]) + (input2[input2.length/2 - 1]);
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+        }
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+        return x;
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     }
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@@ -71,7 +122,12 @@ public class ArrayDrills {
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      * Return the array which has the largest sum. In event of a tie, return a.
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      */
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     public Integer[] biggerTwo(Integer[] a, Integer[] b){
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-        return null;
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+        Integer q = a[0] + a[1];
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+        Integer k = b[0] + b[1];
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+        if (k > q){
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+            return b;
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+        }
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+        return a;
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     }
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     /**
@@ -81,6 +137,10 @@ public class ArrayDrills {
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      *           midThree([8, 6, 7, 5, 3, 0, 9]); // Should return [7, 5, 3]
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      */
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     public Integer[] midThree(Integer[] nums){
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-        return null;
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+        Integer[] newArray = new Integer[3];
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+        newArray[0] = nums[nums.length/2 - 1];
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+        newArray[1] = nums[nums.length/2];
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+        newArray[2] = nums[nums.length/2 + 1];
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+        return newArray;
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     }
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 }

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- 1
src/test/java/io/zipcoder/ArrayDrillsTest.java 查看文件

@@ -179,7 +179,7 @@ public class ArrayDrillsTest {
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     public void biggerTwo3(){
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         Integer[] inputArray1 = {-1 ,20};
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         Integer[] inputArray2 = {2, 15};
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-        Integer[] expected = {1,20};
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+        Integer[] expected = {-1,20};
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         Integer[] actual = arrayDrills.biggerTwo(inputArray1, inputArray2);
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         Assert.assertArrayEquals(expected, actual);
185 185
     }

二進制
target/classes/io/zipcoder/ArrayDrills.class 查看文件


二進制
target/test-classes/io/zipcoder/ArrayDrillsTest.class 查看文件