.gitignore

@@ -0,0 +1,2 @@
+/bin
+/project.layout

letters.txt

@@ -1,7 +0,0 @@
-a
-b
-d
-e
-f
-g
-h

main.cpp

@@ -0,0 +1,16 @@
+#include <iostream>
+
+using namespace std;
+
+int main()
+{
+    cout << "Enter A and B: ";
+double a, b;
+cin >> a >> b;
+cout << "A + B = " << a + b << '\n'
+     << "A - B = " << a - b << '\n'
+     << "A * B = " << a * b << '\n'
+     << "A / B = " << a / b << '\n';
+cout << max(a, b);
+cout << min(a, b);
+}

project.cbp

@@ -0,0 +1,40 @@
+<?xml version="1.0" encoding="UTF-8" standalone="yes" ?>
+<CodeBlocks_project_file>
+	<FileVersion major="1" minor="6" />
+	<Project>
+		<Option title="project" />
+		<Option pch_mode="2" />
+		<Option compiler="gcc" />
+		<Build>
+			<Target title="Debug">
+				<Option output="bin/Debug/project" prefix_auto="1" extension_auto="1" />
+				<Option object_output="obj/Debug/" />
+				<Option type="1" />
+				<Option compiler="gcc" />
+				<Compiler>
+					<Add option="-g" />
+				</Compiler>
+			</Target>
+			<Target title="Release">
+				<Option output="bin/Release/project" prefix_auto="1" extension_auto="1" />
+				<Option object_output="obj/Release/" />
+				<Option type="1" />
+				<Option compiler="gcc" />
+				<Compiler>
+					<Add option="-O2" />
+				</Compiler>
+				<Linker>
+					<Add option="-s" />
+				</Linker>
+			</Target>
+		</Build>
+		<Compiler>
+			<Add option="-Wall" />
+			<Add option="-fexceptions" />
+		</Compiler>
+		<Unit filename="main.cpp" />
+		<Extensions>
+			<lib_finder disable_auto="1" />
+		</Extensions>
+	</Project>
+</CodeBlocks_project_file>