leetcodeFiles

leetcode_.idea_.gitignore

# Default ignored files
/shelf/
/workspace.xml

leetcode_.idea_misc.xml

<?xml version="1.0" encoding="UTF-8"?>
<project version="4">
  <component name="ProjectRootManager" version="2" languageLevel="JDK_14" default="true" project-jdk-name="14" project-jdk-type="JavaSDK">
    <output url="file://$PROJECT_DIR$/out" />
  </component>
</project>

leetcode_.idea_modules.xml

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

leetcode_.idea_workspace.xml

<?xml version="1.0" encoding="UTF-8"?>
<project version="4">
  <component name="ChangeListManager">
    <list default="true" id="bc67c3f7-8fc7-4c7d-a439-a8b353c73a94" name="Default Changelist" comment="" />
    <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="FileTemplateManagerImpl">
    <option name="RECENT_TEMPLATES">
      <list>
        <option value="Class" />
      </list>
    </option>
  </component>
  <component name="ProjectId" id="20GTsUdlSsfNa28r0iZHYa5yB8m" />
  <component name="ProjectViewState">
    <option name="hideEmptyMiddlePackages" value="true" />
    <option name="showLibraryContents" value="true" />
  </component>
  <component name="PropertiesComponent">
    <property name="RunOnceActivity.OpenProjectViewOnStart" value="true" />
    <property name="last_opened_file_path" value="$PROJECT_DIR$" />
    <property name="project.structure.last.edited" value="Modules" />
    <property name="project.structure.proportion" value="0.0" />
    <property name="project.structure.side.proportion" value="0.0" />
    <property name="settings.editor.selected.configurable" value="org.jetbrains.plugins.github.ui.GithubSettingsConfigurable" />
  </component>
  <component name="RunManager" selected="Application.SumOfOneDArray">
    <configuration name="GoalParser" type="Application" factoryName="Application" temporary="true" nameIsGenerated="true">
      <option name="MAIN_CLASS_NAME" value="GoalParser" />
      <module name="examplar" />
      <method v="2">
        <option name="Make" enabled="true" />
      </method>
    </configuration>
    <configuration name="SumOfOneDArray" type="Application" factoryName="Application" temporary="true" nameIsGenerated="true">
      <option name="MAIN_CLASS_NAME" value="SumOfOneDArray" />
      <module name="examplar" />
      <method v="2">
        <option name="Make" enabled="true" />
      </method>
    </configuration>
    <recent_temporary>
      <list>
        <item itemvalue="Application.SumOfOneDArray" />
        <item itemvalue="Application.GoalParser" />
      </list>
    </recent_temporary>
  </component>
  <component name="SpellCheckerSettings" RuntimeDictionaries="0" Folders="0" CustomDictionaries="0" DefaultDictionary="application-level" UseSingleDictionary="true" transferred="true" />
  <component name="TaskManager">
    <task active="true" id="Default" summary="Default task">
      <changelist id="bc67c3f7-8fc7-4c7d-a439-a8b353c73a94" name="Default Changelist" comment="" />
      <created>1635670135032</created>
      <option name="number" value="Default" />
      <option name="presentableId" value="Default" />
      <updated>1635670135032</updated>
    </task>
    <servers />
  </component>
  <component name="WindowStateProjectService">
    <state x="208" y="31" key="#Project_Structure" timestamp="1635670148510">
      <screen x="0" y="0" width="1440" height="900" />
    </state>
    <state x="208" y="31" key="#Project_Structure/[email protected]" timestamp="1635670148510" />
    <state x="440" y="259" key="#com.intellij.fileTypes.FileTypeChooser" timestamp="1635673856108">
      <screen x="0" y="0" width="1440" height="900" />
    </state>
    <state x="440" y="259" key="#com.intellij.fileTypes.FileTypeChooser/[email protected]" timestamp="1635673856108" />
    <state width="1398" height="304" key="GridCell.Tab.0.bottom" timestamp="1635674271280">
      <screen x="0" y="0" width="1440" height="900" />
    </state>
    <state width="1398" height="304" key="GridCell.Tab.0.bottom/[email protected]" timestamp="1635674271280" />
    <state width="1398" height="304" key="GridCell.Tab.0.center" timestamp="1635674271277">
      <screen x="0" y="0" width="1440" height="900" />
    </state>
    <state width="1398" height="304" key="GridCell.Tab.0.center/[email protected]" timestamp="1635674271277" />
    <state width="1398" height="304" key="GridCell.Tab.0.left" timestamp="1635674271276">
      <screen x="0" y="0" width="1440" height="900" />
    </state>
    <state width="1398" height="304" key="GridCell.Tab.0.left/[email protected]" timestamp="1635674271276" />
    <state width="1398" height="304" key="GridCell.Tab.0.right" timestamp="1635674271279">
      <screen x="0" y="0" width="1440" height="900" />
    </state>
    <state width="1398" height="304" key="GridCell.Tab.0.right/[email protected]" timestamp="1635674271279" />
    <state width="1398" height="304" key="GridCell.Tab.1.bottom" timestamp="1635674271285">
      <screen x="0" y="0" width="1440" height="900" />
    </state>
    <state width="1398" height="304" key="GridCell.Tab.1.bottom/[email protected]" timestamp="1635674271285" />
    <state width="1398" height="304" key="GridCell.Tab.1.center" timestamp="1635674271282">
      <screen x="0" y="0" width="1440" height="900" />
    </state>
    <state width="1398" height="304" key="GridCell.Tab.1.center/[email protected]" timestamp="1635674271282" />
    <state width="1398" height="304" key="GridCell.Tab.1.left" timestamp="1635674271281">
      <screen x="0" y="0" width="1440" height="900" />
    </state>
    <state width="1398" height="304" key="GridCell.Tab.1.left/[email protected]" timestamp="1635674271281" />
    <state width="1398" height="304" key="GridCell.Tab.1.right" timestamp="1635674271284">
      <screen x="0" y="0" width="1440" height="900" />
    </state>
    <state width="1398" height="304" key="GridCell.Tab.1.right/[email protected]" timestamp="1635674271284" />
    <state x="229" y="89" key="SettingsEditor" timestamp="1635855358746">
      <screen x="0" y="0" width="1440" height="900" />
    </state>
    <state x="229" y="89" key="SettingsEditor/[email protected]" timestamp="1635855358746" />
  </component>
  <component name="XDebuggerManager">
    <breakpoint-manager>
      <breakpoints>
        <line-breakpoint enabled="true" type="java-line">
          <url>file://$PROJECT_DIR$/src/SumOfOneDArray.java</url>
          <line>9</line>
          <option name="timeStamp" value="1" />
        </line-breakpoint>
      </breakpoints>
    </breakpoint-manager>
  </component>
</project>

leetcode_examplar.iml

<?xml version="1.0" encoding="UTF-8"?>
<module type="JAVA_MODULE" version="4">
  <component name="NewModuleRootManager" inherit-compiler-output="true">
    <exclude-output />
    <content url="file://$MODULE_DIR$">
      <sourceFolder url="file://$MODULE_DIR$/src" isTestSource="false" />
    </content>
    <orderEntry type="inheritedJdk" />
    <orderEntry type="sourceFolder" forTests="false" />
  </component>
</module>

leetcode_src_GoalParser.java

public class GoalParser {

    public static String interpret(String command) {
        //replace every () into o, using replace() function.
        //replace every ( and ) into nothing using replace() function.
        // return the finale
        String finale = "";
        String newCommand = command.replace("()", "o");
        newCommand = newCommand.replace("(", "");
        finale = newCommand.replace(")", "");
        return finale;
    }

    public static void main(String[]args) {
        String example = "G()()()(al)";
        interpret(example);
    }
}

leetcode_src_Operations.java

public class Operations {
    public int finalValueAfterOperations(String[] operations) {
        int x = 0;
        for (int i = 0; i < operations.length; i++) {
            if (operations[i].equals("X++") || operations[i].equals("++X")) {
                x++;
            } else if (operations[i].equals("X--") || operations[i].equals("--X")) {
                x--;
            }
        }
        /*int X = 0;
        for (String operation : operations) {
            if (operation.contains("++")) X++;
            if (operation.contains("--")) X--;
        }
        */
        return x;
    }
}

leetcode_src_SumOfOneDArray.java

public class SumOfOneDArray {
    //use for loop
    //keep the sum
    //add the previous some to the new value and then store it into the finale array.
    public static int[] runningSum(int[] nums) {
        int[] finale = new int[nums.length];
        finale[0] = nums[0];
        int sum = finale[0];
        for (int i = 1; i < nums.length; i++) {
            sum += nums[i];
            finale[i] = sum;
            //System.out.println(finale[i]);
        }
        return finale;
    }

    public static void main(String[]args) {
        int[] array = new int[4];
        array = new int[]{1, 2, 3, 4};
        runningSum(array);

    }
}