80 lines
1.8 KiB
C
80 lines
1.8 KiB
C
#include <stdio.h>
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#include <string.h>
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#include <stdlib.h>
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#define LINESIZE 100
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struct pizza{
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char name[LINESIZE];
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float prize;
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};
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int read_pizza(struct pizza* item){
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char line1[LINESIZE];
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char line2[LINESIZE];
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memset(line1, 0, LINESIZE);
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memset(line2, 0, LINESIZE);
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char *l1 = fgets(line1,LINESIZE,stdin);
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char *l2 = fgets(line2,LINESIZE,stdin);
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//line1[strlen(line1)-1] = '\0';
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//line2[strlen(line2)-1] = '\0';
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float value = strtof(line2, &l2);
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if(value == 0.0F){
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return 0;
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}
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if(l1 != NULL && line1[1] != 0){
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item->prize = value;
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strcpy(item->name, line1);
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return 1;
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}
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}
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int comparename(const void *a, const void *b){
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struct pizza* pizza_a = (void*) a;
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struct pizza* pizza_b = (void*) b;
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return strcmp(pizza_a->name, pizza_b->name);
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}
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int compareprize(const void *a, const void *b){
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struct pizza* pizza_a = (void*) a;
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struct pizza* pizza_b = (void*) b;
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float r = (pizza_a->prize > pizza_b->prize) - (pizza_a->prize < pizza_b->prize);
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return r;
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}
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int main(){
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struct pizza jedalny_listok[100];
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memset(jedalny_listok, 0 , sizeof(struct pizza)*100);
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struct pizza item;
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int counter = 0;
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while(stdin, read_pizza(&item)){
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strcpy(jedalny_listok[counter].name, item.name);
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jedalny_listok[counter].prize = item.prize;
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counter++;
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}
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qsort(jedalny_listok, counter, sizeof(struct pizza), compareprize);
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//qsort(jedalny_listok, counter, sizeof(struct pizza), comparename);
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int i = 0;
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for(i = 0; i < counter; i++){
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printf("%s", jedalny_listok[i].name);
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printf("%f", jedalny_listok[i].prize);
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printf("\n");
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}
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return 0;
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}
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