5 files changed, 82 insertions, 0 deletions
diff --git a/wk2/sect/alpha.c b/wk2/sect/alpha.c
new file mode 100644
index 0000000..054950f
--- /dev/null
+++ b/wk2/sect/alpha.c
@@ -0,0 +1,20 @@
+#include <stdio.h>
+#include <ctype.h>
+#include <cs50.h>
+#include <string.h>
+
+int main(void)
+{
+    string word = get_string("Word: ");
+    int l = strlen(word);
+    for (int i = 0; i < l - 1; i++)
+    {
+        // If NOT alphabetical
+        if (word[i] > word[i + 1])
+        {
+            printf("No\n");
+            return 0;
+        }
+    }
+    printf("Yes\n");
+}
diff --git a/wk2/sect/array.c b/wk2/sect/array.c
new file mode 100644
index 0000000..a8807a7
--- /dev/null
+++ b/wk2/sect/array.c
@@ -0,0 +1,22 @@
+#include <cs50.h>
+#include <stdio.h>
+
+int main(void)
+{
+    int n;
+    do
+    {
+        n = get_int("Length: ");
+    }
+    while (n < 1);
+    int array[n];
+    array[0] = 1;
+    for (int i = 1; i < n; i++)
+    {
+        array[i] = array[i - 1] * 2;
+    }
+    for (int i = 0; i < n; i++)
+    {
+        printf("%i\n", array[i]);
+    }
+}
diff --git a/wk2/sect/cla.c b/wk2/sect/cla.c
new file mode 100644
index 0000000..431b04c
--- /dev/null
+++ b/wk2/sect/cla.c
@@ -0,0 +1,12 @@
+#include <stdio.h>
+#include <ctype.h>
+#include <cs50.h>
+#include <string.h>
+
+int main(int argc, string argv[])
+{
+    for (int i = 0; i < argc; i++)
+    {
+        printf("argv[%i] is %s\n", i, argv[i]);
+    }
+}
diff --git a/wk2/sect/initials.c b/wk2/sect/initials.c
new file mode 100644
index 0000000..45a36c6
--- /dev/null
+++ b/wk2/sect/initials.c
@@ -0,0 +1,13 @@
+#include <stdio.h>
+#include <ctype.h>
+#include <cs50.h>
+#include <string.h>
+
+int main(int argc, string argv[])
+{
+    for (int i = 1; i < argc; i++)
+    {
+        printf("%c", argv[i][0]);
+    }
+    printf("\n");
+}
diff --git a/wk2/sect/str.c b/wk2/sect/str.c
new file mode 100644
index 0000000..5075431
--- /dev/null
+++ b/wk2/sect/str.c
@@ -0,0 +1,15 @@
+#include <stdio.h>
+#include <ctype.h>
+#include <cs50.h>
+#include <string.h>
+
+int main(void)
+{
+    string name = "Emma";
+    int l = strlen(name);
+    for (int i = 0; i < l; i++)
+    {
+        printf("%i ", name[i]);
+    }
+    printf("\n");
+}