From 5673100ac6fb6df355a3a29270dc98aa7f59cbf0 Mon Sep 17 00:00:00 2001
From: Kiryl Bartashevich <bartosian1989@gmail.com>
Date: Tue, 14 Aug 2018 14:25:17 -0400
Subject: [PATCH] done

---
 .idea/lab-javascript-functions-and-arrays.iml |  12 ++
 .idea/misc.xml                                |   6 +
 .idea/modules.xml                             |   8 +
 .idea/vcs.xml                                 |   6 +
 .idea/workspace.xml                           | 199 ++++++++++++++++++
 starter-code/src/functions-and-arrays.js      | 142 +++++++++++++
 6 files changed, 373 insertions(+)
 create mode 100644 .idea/lab-javascript-functions-and-arrays.iml
 create mode 100644 .idea/misc.xml
 create mode 100644 .idea/modules.xml
 create mode 100644 .idea/vcs.xml
 create mode 100644 .idea/workspace.xml

diff --git a/.idea/lab-javascript-functions-and-arrays.iml b/.idea/lab-javascript-functions-and-arrays.iml
new file mode 100644
index 000000000..24643cc37
--- /dev/null
+++ b/.idea/lab-javascript-functions-and-arrays.iml
@@ -0,0 +1,12 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<module type="WEB_MODULE" version="4">
+  <component name="NewModuleRootManager">
+    <content url="file://$MODULE_DIR$">
+      <excludeFolder url="file://$MODULE_DIR$/.tmp" />
+      <excludeFolder url="file://$MODULE_DIR$/temp" />
+      <excludeFolder url="file://$MODULE_DIR$/tmp" />
+    </content>
+    <orderEntry type="inheritedJdk" />
+    <orderEntry type="sourceFolder" forTests="false" />
+  </component>
+</module>
\ No newline at end of file
diff --git a/.idea/misc.xml b/.idea/misc.xml
new file mode 100644
index 000000000..28a804d89
--- /dev/null
+++ b/.idea/misc.xml
@@ -0,0 +1,6 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="JavaScriptSettings">
+    <option name="languageLevel" value="ES6" />
+  </component>
+</project>
\ No newline at end of file
diff --git a/.idea/modules.xml b/.idea/modules.xml
new file mode 100644
index 000000000..1bf13e24c
--- /dev/null
+++ b/.idea/modules.xml
@@ -0,0 +1,8 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="ProjectModuleManager">
+    <modules>
+      <module fileurl="file://$PROJECT_DIR$/.idea/lab-javascript-functions-and-arrays.iml" filepath="$PROJECT_DIR$/.idea/lab-javascript-functions-and-arrays.iml" />
+    </modules>
+  </component>
+</project>
\ No newline at end of file
diff --git a/.idea/vcs.xml b/.idea/vcs.xml
new file mode 100644
index 000000000..94a25f7f4
--- /dev/null
+++ b/.idea/vcs.xml
@@ -0,0 +1,6 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="VcsDirectoryMappings">
+    <mapping directory="$PROJECT_DIR$" vcs="Git" />
+  </component>
+</project>
\ No newline at end of file
diff --git a/.idea/workspace.xml b/.idea/workspace.xml
new file mode 100644
index 000000000..be3191bbd
--- /dev/null
+++ b/.idea/workspace.xml
@@ -0,0 +1,199 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="ChangeListManager">
+    <list default="true" id="a793a8ac-a0c7-4c6b-a7fb-a3bfbd14312e" name="Default" comment="">
+      <change afterPath="$PROJECT_DIR$/.idea/vcs.xml" afterDir="false" />
+      <change beforePath="$PROJECT_DIR$/starter-code/src/functions-and-arrays.js" beforeDir="false" afterPath="$PROJECT_DIR$/starter-code/src/functions-and-arrays.js" afterDir="false" />
+    </list>
+    <ignored path="$PROJECT_DIR$/.tmp/" />
+    <ignored path="$PROJECT_DIR$/temp/" />
+    <ignored path="$PROJECT_DIR$/tmp/" />
+    <option name="EXCLUDED_CONVERTED_TO_IGNORED" value="true" />
+    <option name="TRACKING_ENABLED" value="true" />
+    <option name="SHOW_DIALOG" value="false" />
+    <option name="HIGHLIGHT_CONFLICTS" value="true" />
+    <option name="HIGHLIGHT_NON_ACTIVE_CHANGELIST" value="false" />
+    <option name="LAST_RESOLUTION" value="IGNORE" />
+  </component>
+  <component name="FileEditorManager">
+    <leaf>
+      <file leaf-file-name="functions-and-arrays.js" pinned="false" current-in-tab="true">
+        <entry file="file://$PROJECT_DIR$/starter-code/src/functions-and-arrays.js">
+          <provider selected="true" editor-type-id="text-editor">
+            <state relative-caret-position="240">
+              <caret line="16" lean-forward="true" selection-start-line="16" selection-end-line="16" />
+            </state>
+          </provider>
+        </entry>
+      </file>
+    </leaf>
+  </component>
+  <component name="Git.Settings">
+    <option name="RECENT_GIT_ROOT_PATH" value="$PROJECT_DIR$" />
+  </component>
+  <component name="IdeDocumentHistory">
+    <option name="CHANGED_PATHS">
+      <list>
+        <option value="$PROJECT_DIR$/starter-code/src/functions-and-arrays.js" />
+      </list>
+    </option>
+  </component>
+  <component name="JsBuildToolGruntFileManager" detection-done="true" sorting="DEFINITION_ORDER" />
+  <component name="JsBuildToolPackageJson" detection-done="true" sorting="DEFINITION_ORDER" />
+  <component name="JsGulpfileManager">
+    <detection-done>true</detection-done>
+    <sorting>DEFINITION_ORDER</sorting>
+  </component>
+  <component name="NodePackageJsonFileManager">
+    <packageJsonPaths />
+  </component>
+  <component name="ProjectFrameBounds">
+    <option name="x" value="140" />
+    <option name="y" value="43" />
+    <option name="width" value="1400" />
+    <option name="height" value="921" />
+  </component>
+  <component name="ProjectView">
+    <navigator proportions="" version="1">
+      <foldersAlwaysOnTop value="true" />
+    </navigator>
+    <panes>
+      <pane id="Scope" />
+      <pane id="ProjectPane">
+        <subPane>
+          <expand>
+            <path>
+              <item name="lab-javascript-functions-and-arrays" type="b2602c69:ProjectViewProjectNode" />
+              <item name="lab-javascript-functions-and-arrays" type="462c0819:PsiDirectoryNode" />
+            </path>
+            <path>
+              <item name="lab-javascript-functions-and-arrays" type="b2602c69:ProjectViewProjectNode" />
+              <item name="lab-javascript-functions-and-arrays" type="462c0819:PsiDirectoryNode" />
+              <item name="starter-code" type="462c0819:PsiDirectoryNode" />
+            </path>
+            <path>
+              <item name="lab-javascript-functions-and-arrays" type="b2602c69:ProjectViewProjectNode" />
+              <item name="lab-javascript-functions-and-arrays" type="462c0819:PsiDirectoryNode" />
+              <item name="starter-code" type="462c0819:PsiDirectoryNode" />
+              <item name="src" type="462c0819:PsiDirectoryNode" />
+            </path>
+            <path>
+              <item name="lab-javascript-functions-and-arrays" type="b2602c69:ProjectViewProjectNode" />
+              <item name="lab-javascript-functions-and-arrays" type="462c0819:PsiDirectoryNode" />
+              <item name="starter-code" type="462c0819:PsiDirectoryNode" />
+              <item name="tests" type="462c0819:PsiDirectoryNode" />
+            </path>
+          </expand>
+          <select />
+        </subPane>
+      </pane>
+    </panes>
+  </component>
+  <component name="PropertiesComponent">
+    <property name="WebServerToolWindowFactoryState" value="false" />
+    <property name="last_opened_file_path" value="$PROJECT_DIR$" />
+    <property name="nodejs_interpreter_path" value="node" />
+    <property name="nodejs_interpreter_path.stuck_in_default_project" value="undefined stuck path" />
+    <property name="nodejs_npm_path_reset_for_default_project" value="true" />
+    <property name="nodejs_package_manager_path" value="npm" />
+    <property name="settings.editor.selected.configurable" value="configurable.group.language" />
+  </component>
+  <component name="RunDashboard">
+    <option name="ruleStates">
+      <list>
+        <RuleState>
+          <option name="name" value="ConfigurationTypeDashboardGroupingRule" />
+        </RuleState>
+        <RuleState>
+          <option name="name" value="StatusDashboardGroupingRule" />
+        </RuleState>
+      </list>
+    </option>
+  </component>
+  <component name="RunManager" selected="Node.js.functions-and-arrays.js">
+    <configuration name="SpecRunner.html" type="JavascriptDebugType" factoryName="JavaScript Debug" temporary="true" nameIsGenerated="true" uri="http://localhost:63342/lab-javascript-functions-and-arrays/starter-code/SpecRunner.html" />
+    <configuration name="functions-and-arrays.js" type="NodeJSConfigurationType" factoryName="Node.js" temporary="true" nameIsGenerated="true" path-to-js-file="functions-and-arrays.js" working-dir="$PROJECT_DIR$/starter-code/src" />
+    <list>
+      <item itemvalue="JavaScript Debug.SpecRunner.html" />
+      <item itemvalue="Node.js.functions-and-arrays.js" />
+    </list>
+    <recent_temporary>
+      <list>
+        <item itemvalue="Node.js.functions-and-arrays.js" />
+        <item itemvalue="JavaScript Debug.SpecRunner.html" />
+      </list>
+    </recent_temporary>
+  </component>
+  <component name="SvnConfiguration">
+    <configuration />
+  </component>
+  <component name="TaskManager">
+    <task active="true" id="Default" summary="Default task">
+      <changelist id="a793a8ac-a0c7-4c6b-a7fb-a3bfbd14312e" name="Default" comment="" />
+      <created>1534259756679</created>
+      <option name="number" value="Default" />
+      <option name="presentableId" value="Default" />
+      <updated>1534259756679</updated>
+      <workItem from="1534259758781" duration="10058000" />
+    </task>
+    <servers />
+  </component>
+  <component name="TimeTrackingManager">
+    <option name="totallyTimeSpent" value="10058000" />
+  </component>
+  <component name="ToolWindowManager">
+    <frame x="140" y="43" width="1400" height="921" extended-state="0" />
+    <editor active="true" />
+    <layout>
+      <window_info content_ui="combo" id="Project" order="0" visible="true" weight="0.24945612" />
+      <window_info anchor="bottom" id="TODO" order="6" />
+      <window_info anchor="bottom" id="Docker" show_stripe_button="false" />
+      <window_info anchor="bottom" id="Event Log" side_tool="true" />
+      <window_info anchor="bottom" id="Run" order="2" weight="0.2815534" />
+      <window_info anchor="bottom" id="Version Control" />
+      <window_info id="Structure" order="1" side_tool="true" weight="0.25" />
+      <window_info active="true" anchor="bottom" id="Terminal" visible="true" weight="0.2196602" />
+      <window_info anchor="bottom" id="Debug" order="3" weight="0.4" />
+      <window_info id="Favorites" side_tool="true" />
+      <window_info anchor="bottom" id="Find" order="1" />
+      <window_info anchor="right" id="Commander" internal_type="SLIDING" order="0" type="SLIDING" weight="0.4" />
+      <window_info anchor="right" content_ui="combo" id="Hierarchy" order="2" weight="0.25" />
+      <window_info anchor="bottom" id="Inspection" order="5" weight="0.4" />
+      <window_info anchor="right" id="Ant Build" order="1" weight="0.25" />
+      <window_info anchor="bottom" id="Message" order="0" />
+      <window_info anchor="bottom" id="Cvs" order="4" weight="0.25" />
+    </layout>
+  </component>
+  <component name="TypeScriptGeneratedFilesManager">
+    <option name="version" value="1" />
+  </component>
+  <component name="VcsContentAnnotationSettings">
+    <option name="myLimit" value="2678400000" />
+  </component>
+  <component name="editorHistoryManager">
+    <entry file="file://$PROJECT_DIR$/README.md">
+      <provider selected="true" editor-type-id="text-editor">
+        <state relative-caret-position="-811" />
+      </provider>
+    </entry>
+    <entry file="file://$PROJECT_DIR$/starter-code/tests/FunctionsAndArraysSpec.js">
+      <provider selected="true" editor-type-id="text-editor">
+        <state relative-caret-position="-2893">
+          <folding>
+            <element signature="n#!!doc" expanded="true" />
+          </folding>
+        </state>
+      </provider>
+    </entry>
+    <entry file="file://$PROJECT_DIR$/starter-code/SpecRunner.html">
+      <provider selected="true" editor-type-id="text-editor" />
+    </entry>
+    <entry file="file://$PROJECT_DIR$/starter-code/src/functions-and-arrays.js">
+      <provider selected="true" editor-type-id="text-editor">
+        <state relative-caret-position="240">
+          <caret line="16" lean-forward="true" selection-start-line="16" selection-end-line="16" />
+        </state>
+      </provider>
+    </entry>
+  </component>
+</project>
\ No newline at end of file
diff --git a/starter-code/src/functions-and-arrays.js b/starter-code/src/functions-and-arrays.js
index 2fcd81e6e..7b988ea85 100644
--- a/starter-code/src/functions-and-arrays.js
+++ b/starter-code/src/functions-and-arrays.js
@@ -1,5 +1,9 @@
 // Find the maximum
 
+  function maxOfTwoNumbers(num1, num2) {
+    return Math.max(num1, num2);
+  }
+
 // Finding Longest Word
 var words = [
   'mystery',
@@ -11,14 +15,60 @@ var words = [
   'crackpot'
 ];
 
+function findLongestWord(wordsArr) {
+
+  let biggestWord;
+
+  for(let word of wordsArr) {
+    if(biggestWord) {
+        if(word.length > biggestWord.length) biggestWord = word;
+    } else {
+        biggestWord = word;
+    }
+  }
+  return biggestWord;
+}
+
 // Calculating a Sum
 
 var numbers = [6, 12, 1, 18, 13, 16, 2, 1, 8, 10];
 
+function sumArray(numArr) {
+
+ let everyEqualZero = numArr.every((num) => { return num === 0});
+
+  if(!numArr.length) {
+    return 0;
+  } else if(numArr.length === 1) {
+    return numArr[0];
+  } else if(everyEqualZero) {
+    return 0;
+  } else {
+    let sum = numArr.reduce((sum, num) => { return sum += num}, 0);
+    return sum;
+  }
+}
+
+
 // Calculate the Average
 
 var numbersAvg = [2, 6, 9, 10, 7, 4, 1, 9];
 
+function averageNumbers(numArr) {
+    let everyEqualZero = numArr.every((num) => { return num === 0});
+
+    if(!numArr.length) {
+        return undefined;
+    } else if(numArr.length === 1) {
+        return numArr[0];
+    } else if(everyEqualZero) {
+        return 0;
+    } else {
+        let sum = numArr.reduce((sum, num) => { return sum += num}, 0);
+        return sum/numArr.length;
+    }
+}
+
 // Array of Strings
 var wordsArr = [
   'seat',
@@ -33,6 +83,18 @@ var wordsArr = [
   'palace'
 ];
 
+function averageWordLength(stringArr) {
+    if(!stringArr.length) {
+        return undefined;
+    } else if(stringArr.length === 1) {
+        return stringArr[0].length;
+    } else {
+        let numArr = stringArr.map((element) => { return element.length});
+        let sum = numArr.reduce((sum, num) => { return sum += num}, 0);
+        return sum/numArr.length;
+    }
+}
+
 // Unique Arrays
 var wordsUnique = [
   'crab',
@@ -48,6 +110,34 @@ var wordsUnique = [
   'bring'
 ];
 
+function uniquifyArray(arr) {
+
+    if(!arr.length) {
+        return undefined;
+    }
+
+    let resultArr = arr.slice();
+
+    for(let i = 0; i < resultArr.length; i++) {
+
+        let element = resultArr[i];
+
+       for(let j = i + 1; j < resultArr.length; j ++) {
+
+           let nextIdx = resultArr.indexOf(element, j);
+
+           if(nextIdx !== -1) {
+             resultArr.splice(nextIdx, 1);
+             j--;
+           }
+       }
+
+    }
+
+    return resultArr;
+}
+
+
 // Finding Elements
 var wordsFind = [
   'machine',
@@ -60,6 +150,14 @@ var wordsFind = [
   'disobedience'
 ];
 
+function doesWordExist(arr, word) {
+
+  if(!arr.length) {
+    return false;
+  }
+  return arr.includes(word);
+}
+
 // Counting Repetion
 var wordsCount = [
   'machine',
@@ -74,6 +172,19 @@ var wordsCount = [
   'disobedience',
   'matter'
 ];
+
+function howManyTimes(arr, word) {
+  let counter = 0;
+
+    if(!arr.length) {
+        return false;
+    }
+
+  for(let key of arr) {
+    if(key === word) counter++;
+  }
+  return counter;
+}
 // Bonus Quest
 
 var matrix = [
@@ -98,3 +209,34 @@ var matrix = [
   [20, 73, 35, 29, 78, 31, 90, 1, 74, 31, 49, 71, 48, 86, 81, 16, 23, 57, 5, 54],
   [1, 70, 54, 71, 83, 51, 54, 69, 16, 92, 33, 48, 61, 43, 52, 1, 89, 19, 67, 48]
 ];
+
+function greatestProduct(arr) {
+    let numArr = [];
+    let maxValue;
+
+    for(let j = 0; j < 20; j++) {
+      for(let i = 0; i < 20; i++) {
+        if((i - 3) >= 0) {
+          numArr.push(arr[j][i] * arr[j][i-1] * arr[j][i - 2] * arr[j][i - 3]);
+        }
+        if((i + 3) <= 19) {
+          numArr.push(arr[j][i] * arr[j][i + 1] * arr[j][i + 2] * arr[j][i + 3]);
+        }
+        if((j + 3) <= 19) {
+          numArr.push(arr[j][i] * arr[j + 1][i] * arr[j + 2][i] * arr[j + 3][i]);
+        }
+        if((j - 3) >= 0) {
+          numArr.push(arr[j][i] * arr[j-1][i] * arr[j - 2][i] * arr[j - 3][i]);
+        }
+        if(!maxValue) {
+          maxValue = Math.max(...numArr);
+        }
+        if(maxValue < Math.max(...numArr)) {
+            maxValue = Math.max(...numArr);
+        }
+      }
+    }
+
+    return maxValue;
+}
+