usaa24/cv1/program.c

#include <stdio.h>
#include <string.h>
#include <stdlib.h>
#include <ctype.h>

#define LINESIZE 100
#define MAX_PIZZAS 100

// Structure to store pizza menu item
struct pizza {
    float price;
    char name[LINESIZE];
};

// Function to convert a character to its Hacker Script form
char hacker_script(char c) {
    char numbers[] = "0123456789";
    char letters[] = "oizeasbtbq";
    
    // Convert to lowercase first
    c = tolower(c);
    
    // Check for special characters
    for (int i = 0; i < 10; i++) {
        if (c == numbers[i]) {
            return letters[i];
        }
    }
    return c;
}

// Function to normalize a string by applying hacker script rules
void normalize_string(char *str) {
    for (int i = 0; str[i]; i++) {
        str[i] = hacker_script(str[i]);
    }
}

// Function to read one pizza item from input
int read_pizza(struct pizza *item) {
    char line1[LINESIZE], line2[LINESIZE];
    
    // Read name
    if (fgets(line1, LINESIZE, stdin) == NULL) {
        return 0;  // Failed to read
    }
    
    // Remove newline character
    line1[strcspn(line1, "\n")] = '\0';

    // Read price
    if (fgets(line2, LINESIZE, stdin) == NULL) {
        return 0;  // Failed to read
    }
    
    float value = strtof(line2, NULL);
    if (value == 0.0F) {
        return 0;  // Invalid price
    }
    
    // Copy the read values
    strcpy(item->name, line1);
    item->price = value;
    return 1;
}

// Function to search if a normalized needle exists in a normalized heap
int search_string(const char *heap, const char *needle) {
    char norm_heap[LINESIZE], norm_needle[LINESIZE];
    
    // Make copies to normalize
    strcpy(norm_heap, heap);
    strcpy(norm_needle, needle);
    
    // Normalize both strings
    normalize_string(norm_heap);
    normalize_string(norm_needle);
    
    // Use strstr to find the normalized needle in the heap
    return strstr(norm_heap, norm_needle) != NULL;
}

int main() {
    struct pizza menu[MAX_PIZZAS];
    char search[LINESIZE];
    int count = 0;

    // Read search string
    printf("Zadaj hladanu surovinu:\n");
    fgets(search, LINESIZE, stdin);
    search[strcspn(search, "\n")] = '\0';  // Remove newline character

    // Read menu
    printf("Zadaj jedalny listok:\n");
    while (read_pizza(&menu[count])) {
        count++;
        if (count >= MAX_PIZZAS) {
            break;  // Limit reached
        }
    }

    // Display valid dishes containing the searched ingredient
    int found = 0;
    for (int i = 0; i < count; i++) {
        if (search_string(menu[i].name, search)) {
            printf("%s\n", menu[i].name);
            printf("%.2f\n", menu[i].price);
            found++;
        }
    }

    // Display total items read
    printf("Nacitanych %d poloziek.\n", count);

    return 0;
}