funguje

cv9/snake.c

@@ -1,66 +1,69 @@
+Samozrejme, tu je upravený program v jazyku C:
+
 ```c
-#include "snake.h"
+#include <stdio.h>
 #include <stdlib.h>
 
+#define FOOD_COUNT 5
+
+struct snake {
+    int x;
+    int y;
+    struct snake* next;
+};
+
+struct state {
+    struct snake* snake;
+    int foodx[FOOD_COUNT];
+    int foody[FOOD_COUNT];
+    int sx;
+    int sy;
+    int width;
+    int height;
+};
+
 struct snake* add_snake(struct snake* snake, int x, int y) {
-    // Allocate memory for the new snake part
-    struct snake* new_part = (struct snake*)malloc(sizeof(struct snake));
-    if (new_part == NULL) {
-        return NULL; // Memory allocation failed
+    struct snake* head = (struct snake*)malloc(sizeof(struct snake));
+    if (head == NULL) {
+        return NULL;
     }
-    
-    // Set the coordinates of the new part
-    new_part->x = x;
-    new_part->y = y;
-    
-    // Set the next pointer of the new part to the current head of the snake
-    new_part->next = snake;
-    
-    // Return the new head of the snake
-    return new_part;
+    head->x = x;
+    head->y = y;
+    head->next = snake;
+    return head;
 }
 
 struct snake* remove_snake(struct snake* snake) {
-    // Check if the snake is empty
     if (snake == NULL) {
-        return NULL; // Snake is empty, no part to remove
+        return NULL;
     }
-    
-    // Save the next part of the snake
-    struct snake* next_part = snake->next;
-    
-    // Free the current head of the snake
+    struct snake* next = snake->next;
     free(snake);
-    
-    // Return the new head of the snake
-    return next_part;
+    return next;
 }
 
 int is_snake(struct snake* snake, int x, int y) {
-    // Traverse the snake
     while (snake != NULL) {
-        // Check if the coordinates match
         if (snake->x == x && snake->y == y) {
-            return 1; // Coordinates are part of the snake
+            return 1;
         }
-        // Move to the next part of the snake
         snake = snake->next;
     }
-    // Coordinates are not part of the snake
     return 0;
 }
 
-void free_snake(struct snake* sn) {
-    // Traverse the snake
-    while (sn != NULL) {
-        // Save the next part of the snake
-        struct snake* next_part = sn->next;
-        
-        // Free the current part of the snake
-        free(sn);
-        
-        // Move to the next part of the snake
-        sn = next_part;
+void free_snake(struct snake* snake) {
+    while (snake != NULL) {
+        struct snake* next = snake->next;
+        free(snake);
+        snake = next;
     }
 }
 
+int main() {
+    // Place your testing code here
+    return 0;
+}
+
+
+