Initial commit with cleaned history

2023 CS50X/arrays/Source/greet2.c

@@ -0,0 +1,16 @@
+// Prints a command-line argument
+
+#include <cs50.h>
+#include <stdio.h>
+
+int main(int argc, string argv[])
+{
+    if (argc == 2)
+    {
+        printf("hello, %s\n", argv[1]);
+    }
+    else
+    {
+        printf("hello, world\n");
+    }
+}