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Update Q4.c

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Alex
2024-10-22 21:55:45 -07:00
parent 94d003bf68
commit 4894b6d8e2
1 changed files with 8 additions and 5 deletions
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13
Q4.c
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@@ -1,6 +1,6 @@
#include <stdio.h> #include <stdio.h>
#include <string.h>
// union for book
typedef union Book { typedef union Book {
char title[50]; char title[50];
char author[50]; char author[50];
@@ -8,6 +8,8 @@ typedef union Book {
double price; double price;
} Book; } Book;
//Print book details
// Note that this is impossible since Book is a union, it cannot have all these details initialized at once
void print_book(Book *book) { void print_book(Book *book) {
printf("Title: %s\n", book->title); printf("Title: %s\n", book->title);
printf("Author: %s\n", book->author); printf("Author: %s\n", book->author);
@@ -15,6 +17,7 @@ void print_book(Book *book) {
printf("Price: %0.02f\n\n", book->price); printf("Price: %0.02f\n\n", book->price);
} }
// Prints all books with price higher than threshold
void print_books_higher_than_threshold(Book arr[], int len, double threshold) { void print_books_higher_than_threshold(Book arr[], int len, double threshold) {
for(int i = 0; i < len; i++) { for(int i = 0; i < len; i++) {
if(arr[i].price > threshold) { if(arr[i].price > threshold) {
@@ -24,6 +27,7 @@ void print_books_higher_than_threshold(Book arr[], int len, double threshold) {
} }
int main() { int main() {
// Books to test function
Book b1; Book b1;
b1.price = 2.99; b1.price = 2.99;
Book b2; Book b2;
@@ -37,9 +41,8 @@ int main() {
/* Ok so this kinda doesnt make sense. The threshold check only works if Book is set with a price. Kinda goes in /* Ok so this kinda doesnt make sense. The threshold check only works if Book is set with a price. Kinda goes in
* line with the fact that union doesnt make sense at all here * line with the fact that union doesnt make sense at all here
* Also, when printing any book, since only 1 value is assigned (as its a UNION) the other fields are gibberish * Also, when printing any book, since only 1 value is assigned (as its a union) the other fields are gibberish
* */
print_books_higher_than_threshold(arr, sizeof(arr)/sizeof(arr[0]), 10.0); print_books_higher_than_threshold(arr, sizeof(arr)/sizeof(arr[0]), 10.0);
} }