final

cv6/a_station.c

@@ -1,7 +1,9 @@
+#include <stdio.h>
 #include <stdlib.h>
 #include <string.h>
 #include "a_station.h"
 
+// Создание пустой станции
 struct station* create_station() {
     struct station* new_station = malloc(sizeof(struct station));
     if (!new_station) return NULL;
@@ -11,6 +13,7 @@ struct station* create_station() {
     return new_station;
 }
 
+// Освобождение памяти станции
 void destroy_station(struct station* station) {
     for (int i = 0; i < station->track_count; i++) {
         struct car* current = station->tracks[i];
@@ -24,6 +27,7 @@ void destroy_station(struct station* station) {
     free(station);
 }
 
+// Хеш-функция для выбора пути
 int select_track(struct station* station, const char* target) {
     unsigned int hash = 0;
     for (int i = 0; target[i] != '\0'; i++) {
@@ -32,6 +36,7 @@ int select_track(struct station* station, const char* target) {
     return hash % station->track_count;
 }
 
+// Добавление или обновление записи для направления
 void add_target_capacity(struct station* station, const char* target, int capacity) {
     int index = select_track(station, target);
     struct car* current = station->tracks[index];
@@ -52,6 +57,7 @@ void add_target_capacity(struct station* station, const char* target, int capaci
     station->tracks[index] = new_car;
 }
 
+// Получение ёмкости направления
 int get_target_capacity(struct station* station, const char* target) {
     int index = select_track(station, target);
     struct car* current = station->tracks[index];
@@ -65,6 +71,7 @@ int get_target_capacity(struct station* station, const char* target) {
     return 0;
 }
 
+// Подсчёт количества направлений
 int count_targets(struct station* station) {
     int count = 0;
     for (int i = 0; i < station->track_count; i++) {
@@ -77,6 +84,7 @@ int count_targets(struct station* station) {
     return count;
 }
 
+// Подсчёт общей ёмкости
 int count_capacity(struct station* station) {
     int total_capacity = 0;
     for (int i = 0; i < station->track_count; i++) {

cv6/main.c

@@ -1,16 +1,104 @@
 #include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
 #include "a_station.h"
 
+// Загрузка данных из файла
+void load_station_data(struct station* station, const char* filename) {
+    FILE* file = fopen(filename, "r");
+    if (!file) {
+        perror("Error opening file");
+        return;
+    }
+
+    char destination[TARGET_SIZE];
+    int capacity;
+
+    while (fscanf(file, "%s %d", destination, &capacity) == 2) {
+        add_target_capacity(station, destination, capacity);
+    }
+
+    fclose(file);
+    printf("Data successfully loaded from file '%s'.\n", filename);
+}
+
+// Поиск информации по направлению
+void find_destination(struct station* station, const char* destination) {
+    int capacity = get_target_capacity(station, destination);
+    if (capacity > 0) {
+        printf("Destination: %s, Capacity: %d\n", destination, capacity);
+    } else {
+        printf("Destination '%s' not found.\n", destination);
+    }
+}
+
+// Пользовательское меню
+void user_menu(struct station* station) {
+    int choice;
+    char filename[100];
+    char destination[TARGET_SIZE];
+    int capacity;
+
+    do {
+        printf("\n--- Menu ---\n");
+        printf("1. Load data from file\n");
+        printf("2. Add or update destination\n");
+        printf("3. Find destination\n");
+        printf("4. Show total number of destinations\n");
+        printf("5. Show total capacity\n");
+        printf("6. Exit\n");
+        printf("Select an option: ");
+        scanf("%d", &choice);
+
+        switch (choice) {
+            case 1:
+                printf("Enter the filename: ");
+                scanf("%s", filename);
+                load_station_data(station, filename);
+                break;
+
+            case 2:
+                printf("Enter the destination: ");
+                scanf("%s", destination);
+                printf("Enter the capacity: ");
+                scanf("%d", &capacity);
+                add_target_capacity(station, destination, capacity);
+                printf("Destination '%s' has been added or updated.\n", destination);
+                break;
+
+            case 3:
+                printf("Enter the destination to search: ");
+                scanf("%s", destination);
+                find_destination(station, destination);
+                break;
+
+            case 4:
+                printf("Total number of destinations: %d\n", count_targets(station));
+                break;
+
+            case 5:
+                printf("Total capacity: %d\n", count_capacity(station));
+                break;
+
+            case 6:
+                printf("Exiting the program.\n");
+                break;
+
+            default:
+                printf("Invalid option, please try again.\n");
+        }
+    } while (choice != 6);
+}
+
+// Основная функция
 int main() {
     struct station* station = create_station();
+    if (!station) {
+        printf("Error creating station!\n");
+        return 1;
+    }
 
-    add_target_capacity(station, "Bratislava", 100);
+    user_menu(station);
-    add_target_capacity(station, "Kosice", 150);
-    add_target_capacity(station, "Bratislava", 50);
-
-    printf("Capacity to Bratislava: %d\n", get_target_capacity(station, "Bratislava"));
-    printf("Total number of targets: %d\n", count_targets(station));
-    printf("Total capacity: %d\n", count_capacity(station));
 
     destroy_station(station);
     return 0;