diff --git a/checker-cppcheck-build-dir/lastResults.xml b/checker-cppcheck-build-dir/lastResults.xml
deleted file mode 100644
index 359ebd2..0000000
--- a/checker-cppcheck-build-dir/lastResults.xml
+++ /dev/null
@@ -1,78 +0,0 @@
-<?xml version="1.0" encoding="UTF-8"?>
-<results version="2">
-    <cppcheck version="2.17.1"/>
-    <fixs>
-        <fix id="missingIncludeSystem" severity="information" msg="Include file: &amp;lt;stdio.h&amp;gt; not found. Please note: Cppcheck does not need standard library headers to get proper results." verbose="Include file: &amp;lt;stdio.h&amp;gt; not found. Please note: Cppcheck does not need standard library headers to get proper results." sinceDate="19/03/2025">
-            <location file="Calculator.c" line="2"/>
-        </fix>
-        <fix id="missingIncludeSystem" severity="information" msg="Include file: &amp;lt;stdio.h&amp;gt; not found. Please note: Cppcheck does not need standard library headers to get proper results." verbose="Include file: &amp;lt;stdio.h&amp;gt; not found. Please note: Cppcheck does not need standard library headers to get proper results." sinceDate="19/03/2025">
-            <location file="ContactManagementSystem.c" line="2"/>
-        </fix>
-        <fix id="missingIncludeSystem" severity="information" msg="Include file: &amp;lt;string.h&amp;gt; not found. Please note: Cppcheck does not need standard library headers to get proper results." verbose="Include file: &amp;lt;string.h&amp;gt; not found. Please note: Cppcheck does not need standard library headers to get proper results." sinceDate="19/03/2025">
-            <location file="ContactManagementSystem.c" line="3"/>
-        </fix>
-        <fix id="invalidscanf" severity="warning" msg="scanf() without field width limits can crash with huge input data." verbose="scanf() without field width limits can crash with huge input data. Add a field width specifier to fix this problem.&#10;&#10;Sample program that can crash:&#10;&#10;#include &amp;lt;stdio.h&amp;gt;&#10;int main()&#10;{&#10;    char c[5];&#10;    scanf(&amp;quot;%s&amp;quot;, c);&#10;    return 0;&#10;}&#10;&#10;Typing in 5 or more characters may make the program crash. The correct usage here is &amp;#039;scanf(&amp;quot;%4s&amp;quot;, c);&amp;#039;, as the maximum field width does not include the terminating null byte.&#10;Source: http://linux.die.net/man/3/scanf&#10;Source: http://www.opensource.apple.com/source/xnu/xnu-1456.1.26/libkern/stdio/scanf.c" cwe="119" file0="ContactManagementSystem.c" sinceDate="19/03/2025">
-            <location file="ContactManagementSystem.c" line="39"/>
-        </fix>
-        <fix id="invalidscanf" severity="warning" msg="scanf() without field width limits can crash with huge input data." verbose="scanf() without field width limits can crash with huge input data. Add a field width specifier to fix this problem.&#10;&#10;Sample program that can crash:&#10;&#10;#include &amp;lt;stdio.h&amp;gt;&#10;int main()&#10;{&#10;    char c[5];&#10;    scanf(&amp;quot;%s&amp;quot;, c);&#10;    return 0;&#10;}&#10;&#10;Typing in 5 or more characters may make the program crash. The correct usage here is &amp;#039;scanf(&amp;quot;%4s&amp;quot;, c);&amp;#039;, as the maximum field width does not include the terminating null byte.&#10;Source: http://linux.die.net/man/3/scanf&#10;Source: http://www.opensource.apple.com/source/xnu/xnu-1456.1.26/libkern/stdio/scanf.c" cwe="119" file0="ContactManagementSystem.c" sinceDate="19/03/2025">
-            <location file="ContactManagementSystem.c" line="41"/>
-        </fix>
-        <fix id="invalidscanf" severity="warning" msg="scanf() without field width limits can crash with huge input data." verbose="scanf() without field width limits can crash with huge input data. Add a field width specifier to fix this problem.&#10;&#10;Sample program that can crash:&#10;&#10;#include &amp;lt;stdio.h&amp;gt;&#10;int main()&#10;{&#10;    char c[5];&#10;    scanf(&amp;quot;%s&amp;quot;, c);&#10;    return 0;&#10;}&#10;&#10;Typing in 5 or more characters may make the program crash. The correct usage here is &amp;#039;scanf(&amp;quot;%4s&amp;quot;, c);&amp;#039;, as the maximum field width does not include the terminating null byte.&#10;Source: http://linux.die.net/man/3/scanf&#10;Source: http://www.opensource.apple.com/source/xnu/xnu-1456.1.26/libkern/stdio/scanf.c" cwe="119" file0="ContactManagementSystem.c" sinceDate="19/03/2025">
-            <location file="ContactManagementSystem.c" line="43"/>
-        </fix>
-        <fix id="missingIncludeSystem" severity="information" msg="Include file: &amp;lt;stdio.h&amp;gt; not found. Please note: Cppcheck does not need standard library headers to get proper results." verbose="Include file: &amp;lt;stdio.h&amp;gt; not found. Please note: Cppcheck does not need standard library headers to get proper results." sinceDate="19/03/2025">
-            <location file="HangmanGame.c" line="2"/>
-        </fix>
-        <fix id="missingIncludeSystem" severity="information" msg="Include file: &amp;lt;string.h&amp;gt; not found. Please note: Cppcheck does not need standard library headers to get proper results." verbose="Include file: &amp;lt;string.h&amp;gt; not found. Please note: Cppcheck does not need standard library headers to get proper results." sinceDate="19/03/2025">
-            <location file="HangmanGame.c" line="3"/>
-        </fix>
-        <fix id="missingIncludeSystem" severity="information" msg="Include file: &amp;lt;stdlib.h&amp;gt; not found. Please note: Cppcheck does not need standard library headers to get proper results." verbose="Include file: &amp;lt;stdlib.h&amp;gt; not found. Please note: Cppcheck does not need standard library headers to get proper results." sinceDate="19/03/2025">
-            <location file="HangmanGame.c" line="4"/>
-        </fix>
-        <fix id="missingIncludeSystem" severity="information" msg="Include file: &amp;lt;time.h&amp;gt; not found. Please note: Cppcheck does not need standard library headers to get proper results." verbose="Include file: &amp;lt;time.h&amp;gt; not found. Please note: Cppcheck does not need standard library headers to get proper results." sinceDate="19/03/2025">
-            <location file="HangmanGame.c" line="5"/>
-        </fix>
-        <fix id="normalCheckLevelMaxBranches" severity="information" msg="Limiting analysis of branches. Use --check-level=exhaustive to analyze all branches." verbose="Limiting analysis of branches. Use --check-level=exhaustive to analyze all branches." file0="HangmanGame.c" sinceDate="19/03/2025">
-            <location file="HangmanGame.c" line="0"/>
-        </fix>
-        <fix id="missingIncludeSystem" severity="information" msg="Include file: &amp;lt;stdio.h&amp;gt; not found. Please note: Cppcheck does not need standard library headers to get proper results." verbose="Include file: &amp;lt;stdio.h&amp;gt; not found. Please note: Cppcheck does not need standard library headers to get proper results." sinceDate="19/03/2025">
-            <location file="LibraryManagementSystem.c" line="2"/>
-        </fix>
-        <fix id="missingIncludeSystem" severity="information" msg="Include file: &amp;lt;string.h&amp;gt; not found. Please note: Cppcheck does not need standard library headers to get proper results." verbose="Include file: &amp;lt;string.h&amp;gt; not found. Please note: Cppcheck does not need standard library headers to get proper results." sinceDate="19/03/2025">
-            <location file="LibraryManagementSystem.c" line="3"/>
-        </fix>
-        <fix id="invalidscanf" severity="warning" msg="scanf() without field width limits can crash with huge input data." verbose="scanf() without field width limits can crash with huge input data. Add a field width specifier to fix this problem.&#10;&#10;Sample program that can crash:&#10;&#10;#include &amp;lt;stdio.h&amp;gt;&#10;int main()&#10;{&#10;    char c[5];&#10;    scanf(&amp;quot;%s&amp;quot;, c);&#10;    return 0;&#10;}&#10;&#10;Typing in 5 or more characters may make the program crash. The correct usage here is &amp;#039;scanf(&amp;quot;%4s&amp;quot;, c);&amp;#039;, as the maximum field width does not include the terminating null byte.&#10;Source: http://linux.die.net/man/3/scanf&#10;Source: http://www.opensource.apple.com/source/xnu/xnu-1456.1.26/libkern/stdio/scanf.c" cwe="119" file0="LibraryManagementSystem.c" sinceDate="19/03/2025">
-            <location file="LibraryManagementSystem.c" line="41"/>
-        </fix>
-        <fix id="invalidscanf" severity="warning" msg="scanf() without field width limits can crash with huge input data." verbose="scanf() without field width limits can crash with huge input data. Add a field width specifier to fix this problem.&#10;&#10;Sample program that can crash:&#10;&#10;#include &amp;lt;stdio.h&amp;gt;&#10;int main()&#10;{&#10;    char c[5];&#10;    scanf(&amp;quot;%s&amp;quot;, c);&#10;    return 0;&#10;}&#10;&#10;Typing in 5 or more characters may make the program crash. The correct usage here is &amp;#039;scanf(&amp;quot;%4s&amp;quot;, c);&amp;#039;, as the maximum field width does not include the terminating null byte.&#10;Source: http://linux.die.net/man/3/scanf&#10;Source: http://www.opensource.apple.com/source/xnu/xnu-1456.1.26/libkern/stdio/scanf.c" cwe="119" file0="LibraryManagementSystem.c" sinceDate="19/03/2025">
-            <location file="LibraryManagementSystem.c" line="43"/>
-        </fix>
-        <fix id="invalidscanf" severity="warning" msg="scanf() without field width limits can crash with huge input data." verbose="scanf() without field width limits can crash with huge input data. Add a field width specifier to fix this problem.&#10;&#10;Sample program that can crash:&#10;&#10;#include &amp;lt;stdio.h&amp;gt;&#10;int main()&#10;{&#10;    char c[5];&#10;    scanf(&amp;quot;%s&amp;quot;, c);&#10;    return 0;&#10;}&#10;&#10;Typing in 5 or more characters may make the program crash. The correct usage here is &amp;#039;scanf(&amp;quot;%4s&amp;quot;, c);&amp;#039;, as the maximum field width does not include the terminating null byte.&#10;Source: http://linux.die.net/man/3/scanf&#10;Source: http://www.opensource.apple.com/source/xnu/xnu-1456.1.26/libkern/stdio/scanf.c" cwe="119" file0="LibraryManagementSystem.c" sinceDate="19/03/2025">
-            <location file="LibraryManagementSystem.c" line="71"/>
-        </fix>
-        <fix id="invalidscanf" severity="warning" msg="scanf() without field width limits can crash with huge input data." verbose="scanf() without field width limits can crash with huge input data. Add a field width specifier to fix this problem.&#10;&#10;Sample program that can crash:&#10;&#10;#include &amp;lt;stdio.h&amp;gt;&#10;int main()&#10;{&#10;    char c[5];&#10;    scanf(&amp;quot;%s&amp;quot;, c);&#10;    return 0;&#10;}&#10;&#10;Typing in 5 or more characters may make the program crash. The correct usage here is &amp;#039;scanf(&amp;quot;%4s&amp;quot;, c);&amp;#039;, as the maximum field width does not include the terminating null byte.&#10;Source: http://linux.die.net/man/3/scanf&#10;Source: http://www.opensource.apple.com/source/xnu/xnu-1456.1.26/libkern/stdio/scanf.c" cwe="119" file0="LibraryManagementSystem.c" sinceDate="19/03/2025">
-            <location file="LibraryManagementSystem.c" line="90"/>
-        </fix>
-        <fix id="missingIncludeSystem" severity="information" msg="Include file: &amp;lt;stdio.h&amp;gt; not found. Please note: Cppcheck does not need standard library headers to get proper results." verbose="Include file: &amp;lt;stdio.h&amp;gt; not found. Please note: Cppcheck does not need standard library headers to get proper results." sinceDate="19/03/2025">
-            <location file="NumberGuess.c" line="2"/>
-        </fix>
-        <fix id="missingIncludeSystem" severity="information" msg="Include file: &amp;lt;stdlib.h&amp;gt; not found. Please note: Cppcheck does not need standard library headers to get proper results." verbose="Include file: &amp;lt;stdlib.h&amp;gt; not found. Please note: Cppcheck does not need standard library headers to get proper results." sinceDate="19/03/2025">
-            <location file="NumberGuess.c" line="3"/>
-        </fix>
-        <fix id="missingIncludeSystem" severity="information" msg="Include file: &amp;lt;time.h&amp;gt; not found. Please note: Cppcheck does not need standard library headers to get proper results." verbose="Include file: &amp;lt;time.h&amp;gt; not found. Please note: Cppcheck does not need standard library headers to get proper results." sinceDate="19/03/2025">
-            <location file="NumberGuess.c" line="4"/>
-        </fix>
-        <fix id="missingIncludeSystem" severity="information" msg="Include file: &amp;lt;stdio.h&amp;gt; not found. Please note: Cppcheck does not need standard library headers to get proper results." verbose="Include file: &amp;lt;stdio.h&amp;gt; not found. Please note: Cppcheck does not need standard library headers to get proper results." sinceDate="19/03/2025">
-            <location file="StudentGradeBook.c" line="2"/>
-        </fix>
-        <fix id="constParameter" severity="style" msg="Parameter &amp;#039;grades&amp;#039; can be declared as const array" verbose="Parameter &amp;#039;grades&amp;#039; can be declared as const array" cwe="398" file0="StudentGradeBook.c" sinceDate="19/03/2025">
-            <location file="StudentGradeBook.c" line="7"/>
-        </fix>
-        <fix id="constParameter" severity="style" msg="Parameter &amp;#039;grades&amp;#039; can be declared as const array" verbose="Parameter &amp;#039;grades&amp;#039; can be declared as const array" cwe="398" file0="StudentGradeBook.c" sinceDate="19/03/2025">
-            <location file="StudentGradeBook.c" line="16"/>
-        </fix>
-        <fix id="constParameter" severity="style" msg="Parameter &amp;#039;grades&amp;#039; can be declared as const array" verbose="Parameter &amp;#039;grades&amp;#039; can be declared as const array" cwe="398" file0="StudentGradeBook.c" sinceDate="19/03/2025">
-            <location file="StudentGradeBook.c" line="27"/>
-        </fix>
-    </fixs>
-</results>