move exercises, lecture examples, labs into subfolders

Exercises/C10/ex2.c

@@ -0,0 +1,19 @@
+#include <stdio.h>
+#include <math.h>
+
+
+float degrees_to_radians(float degrees) {
+	return M_PI * degrees / 180.0;
+}
+
+int main() {
+	float input, output;
+	printf("Enter an angle in degrees: ");
+	scanf("%f", &input);
+
+	output = degrees_to_radians(input);
+
+	printf("%f radians\n", output);
+
+	return 0;
+}