diff --git a/day1/.idea/codeStyles/Project.xml b/day1/.idea/codeStyles/Project.xml
deleted file mode 100644
index 30aa626..0000000
--- a/day1/.idea/codeStyles/Project.xml
+++ /dev/null
@@ -1,29 +0,0 @@
-<component name="ProjectCodeStyleConfiguration">
-  <code_scheme name="Project" version="173">
-    <Objective-C-extensions>
-      <file>
-        <option name="com.jetbrains.cidr.lang.util.OCDeclarationKind" value="Import" />
-        <option name="com.jetbrains.cidr.lang.util.OCDeclarationKind" value="Macro" />
-        <option name="com.jetbrains.cidr.lang.util.OCDeclarationKind" value="Typedef" />
-        <option name="com.jetbrains.cidr.lang.util.OCDeclarationKind" value="Enum" />
-        <option name="com.jetbrains.cidr.lang.util.OCDeclarationKind" value="Constant" />
-        <option name="com.jetbrains.cidr.lang.util.OCDeclarationKind" value="Global" />
-        <option name="com.jetbrains.cidr.lang.util.OCDeclarationKind" value="Struct" />
-        <option name="com.jetbrains.cidr.lang.util.OCDeclarationKind" value="FunctionPredecl" />
-        <option name="com.jetbrains.cidr.lang.util.OCDeclarationKind" value="Function" />
-      </file>
-      <class>
-        <option name="com.jetbrains.cidr.lang.util.OCDeclarationKind" value="Property" />
-        <option name="com.jetbrains.cidr.lang.util.OCDeclarationKind" value="Synthesize" />
-        <option name="com.jetbrains.cidr.lang.util.OCDeclarationKind" value="InitMethod" />
-        <option name="com.jetbrains.cidr.lang.util.OCDeclarationKind" value="StaticMethod" />
-        <option name="com.jetbrains.cidr.lang.util.OCDeclarationKind" value="InstanceMethod" />
-        <option name="com.jetbrains.cidr.lang.util.OCDeclarationKind" value="DeallocMethod" />
-      </class>
-      <extensions>
-        <pair source="cpp" header="h" fileNamingConvention="NONE" />
-        <pair source="c" header="h" fileNamingConvention="NONE" />
-      </extensions>
-    </Objective-C-extensions>
-  </code_scheme>
-</component>
\ No newline at end of file
diff --git a/day1/.idea/day1.iml b/day1/.idea/day1.iml
deleted file mode 100644
index b7b4242..0000000
--- a/day1/.idea/day1.iml
+++ /dev/null
@@ -1,14 +0,0 @@
-<?xml version="1.0" encoding="UTF-8"?>
-<module type="CPP_MODULE" version="4">
-  <component name="NewModuleRootManager">
-    <content url="file://$MODULE_DIR$">
-      <sourceFolder url="file://$MODULE_DIR$/src" isTestSource="false" />
-      <sourceFolder url="file://$MODULE_DIR$/examples" isTestSource="false" />
-      <sourceFolder url="file://$MODULE_DIR$/tests" isTestSource="true" />
-      <sourceFolder url="file://$MODULE_DIR$/benches" isTestSource="true" />
-      <excludeFolder url="file://$MODULE_DIR$/target" />
-    </content>
-    <orderEntry type="inheritedJdk" />
-    <orderEntry type="sourceFolder" forTests="false" />
-  </component>
-</module>
\ No newline at end of file
diff --git a/day1/.idea/misc.xml b/day1/.idea/misc.xml
deleted file mode 100644
index 5346672..0000000
--- a/day1/.idea/misc.xml
+++ /dev/null
@@ -1,12 +0,0 @@
-<?xml version="1.0" encoding="UTF-8"?>
-<project version="4">
-  <component name="CargoProjects">
-    <cargoProject FILE="$PROJECT_DIR$/Cargo.toml" />
-  </component>
-  <component name="JavaScriptSettings">
-    <option name="languageLevel" value="ES6" />
-  </component>
-  <component name="RustProjectSettings">
-    <option name="toolchainHomeDirectory" value="$USER_HOME$/.cargo/bin" />
-  </component>
-</project>
\ No newline at end of file
diff --git a/day1/.idea/modules.xml b/day1/.idea/modules.xml
deleted file mode 100644
index 94cf58a..0000000
--- a/day1/.idea/modules.xml
+++ /dev/null
@@ -1,8 +0,0 @@
-<?xml version="1.0" encoding="UTF-8"?>
-<project version="4">
-  <component name="ProjectModuleManager">
-    <modules>
-      <module fileurl="file://$PROJECT_DIR$/.idea/day1.iml" filepath="$PROJECT_DIR$/.idea/day1.iml" />
-    </modules>
-  </component>
-</project>
\ No newline at end of file
diff --git a/day1/.idea/vcs.xml b/day1/.idea/vcs.xml
deleted file mode 100644
index 6c0b863..0000000
--- a/day1/.idea/vcs.xml
+++ /dev/null
@@ -1,6 +0,0 @@
-<?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/day1/.idea/workspace.xml b/day1/.idea/workspace.xml
deleted file mode 100644
index 7add1cb..0000000
--- a/day1/.idea/workspace.xml
+++ /dev/null
@@ -1,211 +0,0 @@
-<?xml version="1.0" encoding="UTF-8"?>
-<project version="4">
-  <component name="CMakeRunConfigurationManager" shouldGenerate="true" shouldDeleteObsolete="true" buildAllGenerated="false">
-    <generated />
-  </component>
-  <component name="CMakeSettings">
-    <configurations>
-      <configuration PROFILE_NAME="Debug" CONFIG_NAME="Debug" />
-    </configurations>
-  </component>
-  <component name="ChangeListManager">
-    <list default="true" id="4fa19ef7-5edf-4cf5-80c5-1dace056e2f6" name="Default Changelist" comment="" />
-    <option name="EXCLUDED_CONVERTED_TO_IGNORED" 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="FUSProjectUsageTrigger">
-    <session id="770093350">
-      <usages-collector id="statistics.lifecycle.project">
-        <counts>
-          <entry key="project.open.time.0" value="1" />
-          <entry key="project.opened" value="1" />
-        </counts>
-      </usages-collector>
-      <usages-collector id="statistics.file.extensions.open">
-        <counts>
-          <entry key="rs" value="1" />
-        </counts>
-      </usages-collector>
-      <usages-collector id="statistics.file.types.open">
-        <counts>
-          <entry key="Rust" value="1" />
-        </counts>
-      </usages-collector>
-      <usages-collector id="statistics.file.extensions.edit">
-        <counts>
-          <entry key="rs" value="694" />
-        </counts>
-      </usages-collector>
-      <usages-collector id="statistics.file.types.edit">
-        <counts>
-          <entry key="Rust" value="694" />
-        </counts>
-      </usages-collector>
-    </session>
-  </component>
-  <component name="FileEditorManager">
-    <leaf>
-      <file pinned="false" current-in-tab="true">
-        <entry file="file://$PROJECT_DIR$/src/main.rs">
-          <provider selected="true" editor-type-id="text-editor">
-            <state relative-caret-position="492">
-              <caret line="72" column="1" lean-forward="true" selection-start-line="72" selection-start-column="1" selection-end-line="72" selection-end-column="1" />
-            </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="$PROJECT_DIR$/src/main.rs" />
-      </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="ProjectFrameBounds">
-    <option name="x" value="-1" />
-    <option name="y" value="-22" />
-    <option name="width" value="1922" />
-    <option name="height" value="1068" />
-  </component>
-  <component name="ProjectLevelVcsManager" settingsEditedManually="true" />
-  <component name="ProjectView">
-    <navigator proportions="" version="1">
-      <foldersAlwaysOnTop value="true" />
-    </navigator>
-    <panes>
-      <pane id="Scope" />
-      <pane id="ProjectPane">
-        <subPane>
-          <expand>
-            <path>
-              <item name="day1" type="b2602c69:ProjectViewProjectNode" />
-              <item name="day1" type="462c0819:PsiDirectoryNode" />
-            </path>
-            <path>
-              <item name="day1" type="b2602c69:ProjectViewProjectNode" />
-              <item name="day1" type="462c0819:PsiDirectoryNode" />
-              <item name="src" type="462c0819:PsiDirectoryNode" />
-            </path>
-          </expand>
-          <select />
-        </subPane>
-      </pane>
-    </panes>
-  </component>
-  <component name="PropertiesComponent">
-    <property name="WebServerToolWindowFactoryState" value="false" />
-    <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="org.rust.cargo.project.model.PROJECT_DISCOVERY" value="true" />
-    <property name="settings.editor.selected.configurable" value="reference.settingsdialog.IDE.editor.colors" />
-  </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="Cargo Command.Release">
-    <configuration name="Release" type="CargoCommandRunConfiguration" factoryName="Cargo Command">
-      <option name="channel" value="DEFAULT" />
-      <option name="command" value="run --release" />
-      <option name="allFeatures" value="false" />
-      <option name="nocapture" value="false" />
-      <option name="backtrace" value="SHORT" />
-      <option name="workingDirectory" value="file://$PROJECT_DIR$" />
-      <envs />
-      <method v="2" />
-    </configuration>
-    <configuration name="Unnamed" type="CargoCommandRunConfiguration" factoryName="Cargo Command">
-      <option name="channel" value="DEFAULT" />
-      <option name="command" value="run" />
-      <option name="allFeatures" value="false" />
-      <option name="nocapture" value="false" />
-      <option name="backtrace" value="SHORT" />
-      <option name="workingDirectory" value="file://$PROJECT_DIR$" />
-      <envs />
-      <method v="2" />
-    </configuration>
-    <list>
-      <item itemvalue="Cargo Command.Unnamed" />
-      <item itemvalue="Cargo Command.Release" />
-    </list>
-  </component>
-  <component name="SvnConfiguration">
-    <configuration />
-  </component>
-  <component name="TaskManager">
-    <task active="true" id="Default" summary="Default task">
-      <changelist id="4fa19ef7-5edf-4cf5-80c5-1dace056e2f6" name="Default Changelist" comment="" />
-      <created>1543681202606</created>
-      <option name="number" value="Default" />
-      <option name="presentableId" value="Default" />
-      <updated>1543681202606</updated>
-      <workItem from="1543681203734" duration="2785000" />
-    </task>
-    <servers />
-  </component>
-  <component name="TimeTrackingManager">
-    <option name="totallyTimeSpent" value="2785000" />
-  </component>
-  <component name="ToolWindowManager">
-    <frame x="-1" y="-22" width="1922" height="1068" extended-state="0" />
-    <editor active="true" />
-    <layout>
-      <window_info id="Favorites" side_tool="true" />
-      <window_info content_ui="combo" id="Project" order="0" visible="true" weight="0.2497332" />
-      <window_info id="Structure" order="1" side_tool="true" weight="0.25" />
-      <window_info anchor="bottom" id="Database Changes" show_stripe_button="false" />
-      <window_info anchor="bottom" id="Version Control" show_stripe_button="false" />
-      <window_info anchor="bottom" id="Terminal" />
-      <window_info anchor="bottom" id="Event Log" side_tool="true" />
-      <window_info anchor="bottom" id="Message" order="0" />
-      <window_info anchor="bottom" id="Find" order="1" />
-      <window_info active="true" anchor="bottom" id="Run" order="2" visible="true" weight="0.32910052" />
-      <window_info anchor="bottom" id="Debug" order="3" weight="0.4" />
-      <window_info anchor="bottom" id="Cvs" order="4" weight="0.25" />
-      <window_info anchor="bottom" id="Inspection" order="5" weight="0.4" />
-      <window_info anchor="bottom" id="TODO" order="6" />
-      <window_info anchor="right" id="Cargo" />
-      <window_info anchor="right" id="Database" />
-      <window_info anchor="right" id="Commander" internal_type="SLIDING" order="0" type="SLIDING" weight="0.4" />
-      <window_info anchor="right" id="Ant Build" order="1" weight="0.25" />
-      <window_info anchor="right" content_ui="combo" id="Hierarchy" order="2" 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://$PROJECT_DIR$/src/main.rs">
-      <provider selected="true" editor-type-id="text-editor">
-        <state relative-caret-position="492">
-          <caret line="72" column="1" lean-forward="true" selection-start-line="72" selection-start-column="1" selection-end-line="72" selection-end-column="1" />
-        </state>
-      </provider>
-    </entry>
-  </component>
-</project>
\ No newline at end of file