move exercises and lectures into subfolders

Exercises/C11/array_loop_example_1.c

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+#include <stdio.h>
+#include <stdlib.h>
+
+int main(void) // Main : Execution starts here...
+{
+    // Declare variables - pre-populate the array
+    int Ages[10] = {12,34,23,11,8,19,6,44,9,16};
+    int i;
+
+    // Loop from 0 to 9 inclusive
+    for  ( i = 0 ; i < 10 ; i++ )
+        printf ("Item %d contains value %d\n",i ,Ages[i]);
+
+    // Exit the application
+    return 0;
+}

Exercises/C11/array_loop_example_2.c

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+#include <stdio.h>
+#include <stdlib.h>
+
+// Main () - execution starts here
+int main (void)
+{
+    // Declare variables
+    int SampleData[10];
+    int a=0;
+
+    // Show initial value of a
+    printf ("Values in a is %d \n", a);
+
+    // Change an array item that IS NOT DEFINED
+    SampleData[10] = 20;
+
+
+    // See how thi affect the value in a
+    printf ("Values in a is %d \n", a);
+
+    // Note: we can retieive this 'invalid' value - it is however 'a' we are getting
+    printf ("Values in SampleData[10] is %d \n", SampleData[10]);
+
+    return (0);     // Exit indicating sucess
+}

Exercises/C11/ex2.c

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+#include <stdio.h>
+
+#define ARRAY_LEN 90
+
+int main() {
+	int i;
+	float arr[ARRAY_LEN];
+
+	for (i = 0; i < ARRAY_LEN; i++) {
+		arr[i] = (float)i;
+	}
+	for (i = 0; i < ARRAY_LEN; i++) {
+		printf("%d %f\n", i, arr[i]);
+	}
+}

Exercises/C11/ex3.c

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+#include <stdio.h>
+#include <math.h>
+
+#define ARRAY_LEN 90
+
+float degrees_to_radians(float degrees) {
+	return M_PI * degrees / 180.0;
+}
+
+int main() {
+	int i;
+	float arr[ARRAY_LEN];
+
+	for (i = 0; i < ARRAY_LEN; i++) {
+		arr[i] = degrees_to_radians((float)i);
+	}
+
+	for (i = 0; i < ARRAY_LEN; i++) {
+		printf("%d %f\n", i, arr[i]);
+	}
+}

Exercises/C11/initialise_string_example_1.c

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+#include <stdio.h>
+#include <stdlib.h>
+
+// Main : Execution starts here...
+int main(void)
+{
+	// Declare variable - pre-populate the array
+	char msg[] = {'H','i',' ','W','o','r','l','d','\0'};
+
+	// Output with printf
+	printf ("The text is: %s\n", msg);
+
+	puts(msg); // We could also use puts to display the string
+
+	return 0;    // Exit the application
+}

Exercises/C11/initialise_string_example_2.c

@@ -0,0 +1,15 @@
+#include <stdio.h>
+#include <stdlib.h>
+
+int main(void) // Main : Execution starts here...
+{
+	// Declare variable - pre-populate the array
+	char msg[] = "Hello World";
+
+	// Output with printf
+	printf ("The text is: %s\n", msg);
+
+	puts(msg); // We could also use puts to display the string
+
+	return 0;      // Exit the application
+}