69 lines
1.2 KiB
C
69 lines
1.2 KiB
C
#include <stdio.h>
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#include <string.h>
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#include <stdlib.h>
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#define SIZE 100
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#define NAMESIZE 30
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struct menu {
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char name[SIZE];
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float price;
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};
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int compare_name(const void* c1, const void* c2){
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struct menu* p1 = (struct menu* ) c1;
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struct menu* p2 = (struct menu* ) c2;
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return strcmp(p1->name,p2->name);
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}
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int compare_price(const void* c1, const void* c2){
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struct menu* p1 = (struct menu* ) c1;
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struct menu* p2 = (struct menu* ) c2;
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return p1->price - p2->price;
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}
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int main(){
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struct menu food_database[SIZE];
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memset(food_database, 0, SIZE*sizeof(struct menu));
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// load name into struct
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int meal_counter = 0;
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char temp[20];
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char* ptr1 = NULL;
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char* ptr2 = NULL;
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while(1){
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ptr1 = fgets(food_database[meal_counter].name, NAMESIZE, stdin);
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if ( ptr1 == NULL ){
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break;
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}
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ptr2 = fgets(temp, 20, stdin);
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food_database[meal_counter].price = strtof(temp, NULL);
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if ( ptr2 == NULL ){
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break;
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}
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meal_counter++;
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}
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qsort(food_database,meal_counter,sizeof(struct menu),compare_name);
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qsort(food_database,meal_counter,sizeof(struct menu),compare_price);
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for(int i=0; i<meal_counter; i++){
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printf("%s",food_database[i].name);
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printf("%f\n",food_database[i].price);
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}
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return 0;
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}
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