Create anagram.c

games/anagram.c

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+/**
+ * @brief A simple C program that generates anagrams for a user-entered word.
+ *
+ * This program reads a word from the user and generates random anagrams (shuffled versions)
+ */
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+
+/**
+ * @brief Shuffles the characters of a word randomly to create an anagram.
+ *
+ * Uses the Fisher–Yates (Knuth) shuffle algorithm to ensure each permutation is equally likely.
+ *
+ * @param word Pointer to the string (character array) to be shuffled.
+ *
+ * @return void
+ */
+
+void shuffle(char *word) {           
+    int n = strlen(word);
+    for (int i = n - 1; i > 0; i--) {
+        int j = rand() % (i + 1);   
+        char temp = word[i];      
+        word[i] = word[j];
+        word[j] = temp;
+    }
+}
+
+/**
+ * @brief The main function of the program.
+ *
+ * Prompts the user for a word, then generates and displays the anagram
+ *
+ * @return int Returns 0 on successful execution.
+ */
+
+int main() {
+    char word[100], guess[100], shuffled[100];
+
+    printf("=== ANAGRAM GENERATOR ===\n");
+    printf("Enter a single word: ");
+    scanf("%s", word);
+
+    srand(time(0));
+    strcpy(shuffled, word);
+
+    do {
+        shuffle(shuffled);
+    } while (strcmp(shuffled, word) == 0);
+
+    printf("\nAnagram generated: %s\n", shuffled);
+    return 0;
+}