usaa21/cv2/program.c
Peter Petrek dcad10bfb5 hope
2021-10-14 23:59:06 +02:00

82 lines
1.7 KiB
C

#include <stdio.h>
#include <stdio.h>
#include <ctype.h>
#include <string.h>
#include <stdlib.h>
#include <math.h>
#define velkost strlen
#define size 100
struct jedlo {
char name[size];
float price;
};
int compare(const void* p1,const void*p2);
int abeceda(const void* p1, const void* p2);
int main() {
struct jedlo databaza[size];
char input[100]= {0};
float price = 0;
int counter = 0;
int helper = 2;
int counter2 = 0;
int yes = 0;
while(fgets(input, sizeof(input), stdin) && strcmp( input, "\n" ) != 0 ){
if(helper %2 == 0){
strcpy(databaza[counter].name, input);
yes++;
}
else{
price = strtof(input, NULL);
databaza[counter].price = price;
yes++;
}
if(yes == 2){
counter++;
yes = 0;
}
counter2++;
helper++;
}
counter2 = (counter2 / 2);
qsort(databaza, counter2,sizeof(struct jedlo),abeceda);
qsort(databaza, counter2,sizeof(struct jedlo),compare);
for(int z=0; z<counter2; z++){
printf("%s", databaza[z].name);
printf("%f\n", databaza[z].price);
}
}
int compare(const void* p1,const void*p2){
struct jedlo s1 = *(const struct jedlo*)p1;
struct jedlo s2 = *(const struct jedlo*)p2;
int order;
if(s1.price > s2.price){
order = 1;
}
else if(s1.price < s2.price){
order = -1;
}
else {
order = 0;
}
return order;
}
int abeceda(const void* p1, const void* p2) {
struct jedlo* s1=(struct jedlo*)p1;
struct jedlo* s2=(struct jedlo*)p2;
int result = strcmp(s1->name, s2->name);
return result;
}