a1/program.c

@@ -10,11 +10,6 @@ bool is_operator(char c) {
     return c == '+' || c == '-' || c == '*' || c == '/';
 }
 
-// Funkcia na kontrolu, či je daný znak medzera
-bool is_space(char c) {
-    return c == ' ';
-}
-
 // Funkcia na kontrolu, či je daný znak číslica
 bool is_digit(char c) {
     return isdigit(c);
@@ -36,48 +31,6 @@ double calculate(double num1, char op, double num2) {
     }
 }
 
-// Funkcia na kontrolu, či je zadaný riadok úlohy v správnom formáte
-bool is_valid_task(char *line) {
-    int len = strlen(line);
-    if (len < 7) // Minimálna dĺžka: "a+b=c"
-        return false;
-
-    int i = 0;
-    // Kontrola či prvé číslo je platné
-    if (!is_digit(line[i]) && line[i] != '-')
-        return false;
-    while (is_digit(line[i]) || is_space(line[i]))
-        i++;
-
-    // Kontrola či operátor je platný
-    if (!is_operator(line[i]))
-        return false;
-    i++;
-
-    // Kontrola či druhé číslo je platné
-    if (!is_digit(line[i]) && line[i] != '-')
-        return false;
-    while (is_digit(line[i]) || is_space(line[i]))
-        i++;
-
-    // Kontrola či '=' je na správnom mieste
-    if (line[i] != '=')
-        return false;
-    i++;
-
-    // Kontrola či výsledok je platný
-    if (!is_digit(line[i]) && line[i] != '-')
-        return false;
-    while (is_digit(line[i]) || is_space(line[i]))
-        i++;
-
-    // Kontrola či na konci riadka už nie sú ďalšie znaky
-    if (line[i] != '\0')
-        return false;
-
-    return true;
-}
-
 int main() {
     char line[100]; // Predpokladáme, že žiadny riadok nebude dlhší ako 100 znakov
 
@@ -85,23 +38,24 @@ int main() {
         if (strcmp(line, "\n") == 0) // Ak je riadok prázdny, končíme
             break;
 
-        // Odstránenie konca riadka
-        line[strcspn(line, "\n")] = '\0';
+        int len = strlen(line);
+        if (line[len - 1] == '\n') // Odstránenie konca riadka
+            line[len - 1] = '\0';
 
-        if (!is_valid_task(line)) {
-            printf("CHYBA\n");
-            continue;
-        }
-
-        double num1, num2, result;
         char op;
-        sscanf(line, "%lf %c %lf = %lf", &num1, &op, &num2, &result);
+        double num1, num2, result;
+        int scanned = sscanf(line, "%lf%*[^0-9-]%c%*[^0-9-]%lf=%lf", &num1, &op, &num2, &result);
 
-        double calculated_result = calculate(num1, op, num2);
-        if (fabs(calculated_result - result) < 0.01) // Zaokrúhlenie na 2 desatinné miesta
-            printf("OK\n");
-        else
-            printf("ZLE\n");
+        // Kontrola, či boli načítané správne hodnoty
+        if (scanned != 4 || !is_operator(op))
+            printf("CHYBA\n");
+        else {
+            double calculated_result = calculate(num1, op, num2);
+            if (fabs(calculated_result - result) < 0.01) // Zaokrúhlenie na 2 desatinné miesta
+                printf("OK\n");
+            else
+                printf("ZLE\n");
+        }
     }
 
     return 0;

du7/snake.c

@@ -1,91 +0,0 @@
-#include "snake.h"
-#include <stdlib.h>
-
-struct snake* add_snake(struct snake* snake, int x, int y) {
-    struct snake* new_head = (struct snake*)malloc(sizeof(struct snake));
-    if (!new_head) {
-        // Memory allocation failed
-        return NULL;
-    }
-    new_head->x = x;
-    new_head->y = y;
-    new_head->next = snake;
-    return new_head;
-}
-
-struct snake* remove_snake(struct snake* snake) {
-    if (!snake) {
-        // Snake is empty
-        return NULL;
-    }
-    struct snake* new_head = snake->next;
-    free(snake);
-    return new_head;
-}
-
-int is_snake(struct snake* snake, int x, int y) {
-    while (snake) {
-        if (snake->x == x && snake->y == y) {
-            return 1; // Found snake part at given coordinates
-        }
-        snake = snake->next;
-    }
-    return 0; // Snake part not found
-}
-
-void free_snake(struct snake* sn) {
-    while (sn) {
-        struct snake* temp = sn;
-        sn = sn->next;
-        free(temp);
-    }
-}
-
-int step_state(struct state* state) {
-    // Calculate new position of the snake head
-    int new_x = state->snake->x + state->sx;
-    int new_y = state->snake->y + state->sy;
-
-    // Check if snake hits a wall
-    if (new_x < 0 || new_x >= state->width || new_y < 0 || new_y >= state->height) {
-        return END_WALL;
-    }
-
-    // Check if snake hits itself
-    if (is_snake(state->snake->next, new_x, new_y)) {
-        return END_SNAKE;
-    }
-
-    // Check if snake eats food
-    int i;
-    for (i = 0; i < FOOD_COUNT; i++) {
-        if (state->foodx[i] == new_x && state->foody[i] == new_y) {
-            // Food eaten, mark it as negative
-            state->foodx[i] = -1;
-            state->foody[i] = -1;
-            // Add new snake part at the food position
-            state->snake = add_snake(state->snake, new_x, new_y);
-            if (state->snake == NULL) {
-                // Memory allocation failed
-                return END_USER;
-            }
-            // Check if no food left
-            int food_left = 0;
-            for (int j = 0; j < FOOD_COUNT; j++) {
-                if (state->foodx[j] >= 0 && state->foody[j] >= 0) {
-                    food_left = 1;
-                    break;
-                }
-            }
-            if (!food_left) {
-                return END_FOOD; // No food left
-            }
-            return END_CONTINUE; // Food eaten, continue the game
-        }
-    }
-
-    // Add new snake part on the new position and remove the last part of the snake
-    state->snake = add_snake(state->snake, new_x, new_y);
-    state->snake = remove_snake(state->snake->next);
-    return END_CONTINUE;
-}