final 2024_Remote_Sensing

2023_CS50X/w5_datastructures/speller/dictionary.c

@@ -0,0 +1,62 @@
+// Implements a dictionary's functionality
+
+#include <ctype.h>
+#include <stdbool.h>
+
+#include "dictionary.h"
+
+// Represents a node in a hash table
+typedef struct node
+{
+    char word[LENGTH + 1];
+    struct node *next;
+} node;
+
+// TODO: Choose number of buckets in hash table
+const unsigned int N = 26;
+
+// Hash table
+node *table[N];
+
+// Returns true if word is in dictionary, else false
+bool check(const char *word)
+{
+    // TODO
+    return false;
+}
+
+// Hashes word to a number
+unsigned int hash(const char *word)
+{
+    // TODO: Improve this hash function
+    return toupper(word[0]) - 'A';
+}
+
+// Loads dictionary into memory, returning true if successful, else false
+bool load(const char *dictionary)
+{
+    // TODO
+    // Open the dictionary file
+
+    // Read each word in the file
+
+        // Add each word to the hash table
+
+    // Close the dictionary file
+
+    return false;
+}
+
+// Returns number of words in dictionary if loaded, else 0 if not yet loaded
+unsigned int size(void)
+{
+    // TODO
+    return 0;
+}
+
+// Unloads dictionary from memory, returning true if successful, else false
+bool unload(void)
+{
+    // TODO
+    return false;
+}