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Update 'cv2/program.c'

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This commit is contained in:
Maryna Kravtsova 2020-10-24 17:06:11 +00:00
parent fe62adf684
commit 594d3cd491
1 changed files with 9 additions and 2 deletions
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11
cv2/program.c
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@ -9,6 +9,9 @@ struct pizza{
float prize; float prize;
}; };
//read the name and prize
//push them to stack
int read_pizza(struct pizza* item){ int read_pizza(struct pizza* item){
char line1[LINESIZE]; char line1[LINESIZE];
@ -29,12 +32,15 @@ int read_pizza(struct pizza* item){
return 1; return 1;
} }
} }
//compare 2 elements
int compare(const void *a, const void *b){ int compare(const void *a, const void *b){
struct pizza* pizza_a = (void*) a; struct pizza* pizza_a = (void*) a;
struct pizza* pizza_b = (void*) b; struct pizza* pizza_b = (void*) b;
float r = (pizza_a->prize > pizza_b->prize) - (pizza_a->prize < pizza_b->prize); float r = (pizza_a->prize > pizza_b->prize) - (pizza_a->prize < pizza_b->prize);
if (r == 0){ if (r == 0){ //if prizes are identical, than check if names are in alphabetical order
r = strcmp(pizza_a->name, pizza_b->name); r = strcmp(pizza_a->name, pizza_b->name);
} }
return r; return r;
@ -48,12 +54,13 @@ int main(){
struct pizza item; struct pizza item;
int counter = 0; int counter = 0;
//write menu to array
while(stdin, read_pizza(&item)){ while(stdin, read_pizza(&item)){
strcpy(jedalny_listok[counter].name, item.name); strcpy(jedalny_listok[counter].name, item.name);
jedalny_listok[counter].prize = item.prize; jedalny_listok[counter].prize = item.prize;
counter++; counter++;
} }
qsort(jedalny_listok, counter, sizeof(struct pizza), compare); qsort(jedalny_listok, counter, sizeof(struct pizza), compare);
int i = 0; int i = 0;