diff --git a/.gitignore b/.gitignore
index 259148f..4d3a4b5 100644
--- a/.gitignore
+++ b/.gitignore
@@ -30,3 +30,6 @@
 *.exe
 *.out
 *.app
+
+# Other
+/.vscode
\ No newline at end of file
diff --git a/Lecture/Week1/main b/Lecture/Week1/main
new file mode 100755
index 0000000..faa6d0f
Binary files /dev/null and b/Lecture/Week1/main differ
diff --git a/Lecture/Week1/main.cpp b/Lecture/Week1/main.cpp
new file mode 100644
index 0000000..013b05b
--- /dev/null
+++ b/Lecture/Week1/main.cpp
@@ -0,0 +1,25 @@
+#include <iostream>
+using namespace std;
+/*
+void swap(int x, int y) {
+    int temp = x;
+    x = y;
+    y = temp;
+}
+*/
+
+void swap(int* x, int* y) {
+    int temp = *x;
+    *x = *y;
+    *y = temp;
+}
+
+int main() {
+    int A = 2;
+    int B = 8;
+    // Pass in addresses to be 
+    swap(&A,&B);
+    cout << "A: " << A << " B: " << B << endl;
+
+    return 0;
+}
\ No newline at end of file
diff --git a/makefile b/Lecture/Week1/makefile
similarity index 100%
rename from makefile
rename to Lecture/Week1/makefile
diff --git a/math.cpp b/Lecture/Week1/math.cpp
similarity index 100%
rename from math.cpp
rename to Lecture/Week1/math.cpp
diff --git a/math.h b/Lecture/Week1/math.h
similarity index 100%
rename from math.h
rename to Lecture/Week1/math.h
diff --git a/main.cpp b/main.cpp
deleted file mode 100644
index e69de29..0000000