test

cv2/program.c

@@ -1,56 +1,59 @@
 #include <stdio.h>
 #include <stdlib.h>
 #include <string.h>
+#include <ctype.h>
 
 #define MAX_PIZZAS 100
-#define MAX_TITLE_LENGTH 100
-#define MAX_PRICE_LENGTH 10
+#define MAX_NAME_LENGTH 101
 
 typedef struct {
-    char title[MAX_TITLE_LENGTH];
-    float price;
+    char name[MAX_NAME_LENGTH];
+    double price;
 } Pizza;
 
-int compare_pizzas(const void *a, const void *b) {
-    Pizza *pizza1 = (Pizza *)a;
-    Pizza *pizza2 = (Pizza *)b;
 
-    if (pizza1->price < pizza2->price) {
-        return -1;
-    } else if (pizza1->price > pizza2->price) {
-        return 1;
-    } else {
-        return strcmp(pizza1->title, pizza2->title);
+int compare(const void *a, const void *b) {
+    const Pizza *pizzaA = (const Pizza *)a;
+    const Pizza *pizzaB = (const Pizza *)b;
+
+
+    if (pizzaA->price != pizzaB->price) {
+        return (pizzaA->price < pizzaB->price) ? -1 : 1;
     }
+
+
+    return strcasecmp(pizzaA->name, pizzaB->name);
+}
+
+
+int readPizza(Pizza *pizza) {
+    if (!fgets(pizza->name, sizeof(pizza->name), stdin)) return 0;
+    pizza->name[strcspn(pizza->name, "\n")] = 0; 
+
+    char priceStr[10];
+    if (!fgets(priceStr, sizeof(priceStr), stdin)) return 0;
+    priceStr[strcspn(priceStr, "\n")] = 0; 
+
+    char *endptr;
+    pizza->price = strtod(priceStr, &endptr);
+    return *endptr == '\0'; 
 }
 
 int main() {
-    Pizza pizzas[MAX_PIZZAS];
-    int num_pizzas = 0;
+    Pizza menu[MAX_PIZZAS];
+    int count = 0;
 
-    while (num_pizzas < MAX_PIZZAS) {
-        printf("Enter pizza title: ");
-        fgets(pizzas[num_pizzas].title, MAX_TITLE_LENGTH, stdin);
-        pizzas[num_pizzas].title[strcspn(pizzas[num_pizzas].title, "\n")] = 0; 
-
-        printf("Enter pizza price: ");
-        char price_str[MAX_PRICE_LENGTH];
-        fgets(price_str, MAX_PRICE_LENGTH, stdin);
-        price_str[strcspn(price_str, "\n")] = 0; 
-
-        char *endptr;
-        pizzas[num_pizzas].price = strtof(price_str, &endptr);
-        if (endptr == price_str || *endptr != '\0') {
-            break; 
-        }
-
-        num_pizzas++;
+    while (count < MAX_PIZZAS) {
+        if (!readPizza(&menu[count])) break; 
+        count++;
     }
 
-    qsort(pizzas, num_pizzas, sizeof(Pizza), compare_pizzas);
+   
+    qsort(menu, count, sizeof(Pizza), compare);
 
-    for (int i = 0; i < num_pizzas; i++) {
-        printf("%s\n%.6f\n", pizzas[i].title, pizzas[i].price);
+
+    for (int i = 0; i < count; i++) {
+        printf("%s\n%.6f\n", menu[i].name, menu[i].price);
     }
 
     return 0;