#include #include #include #define LINE_SIZE 100 #define LIST_SIZE 20 struct pizza{ char name[LINE_SIZE]; float prize; }; int read_item(struct pizza* item); int read_pizza_list(struct pizza* list); int compare_pizza(const void * left, const void * right) { const struct pizza * a = (const struct pizza *) left; const struct pizza * b = (const struct pizza *) right; if (a->prize > b->prize){ return 1; } else if (a->prize < b->prize){ return -1; } else{ return 0; } } int main(int argc, char *argv[]) { struct pizza list[LIST_SIZE]; memset(list,0,LIST_SIZE*sizeof(struct pizza)); int counter = 0; for (int i=0; i< LIST_SIZE; i++){ struct pizza item; memset(&item,0,sizeof(struct pizza)); // Nacitajte polozku do pomocnej premennej // Na nacitanie pouzite vlastny kod int r = read_item(&item); if (r){ // Ak sa nacitanie podarilo, skopirujte polozku do pola memcpy(&list[i],&item,sizeof(struct pizza)); // Spocitame uspesne nacitane polozky counter += 1; } else{ // Ak sa nacitanie nepodarilo, nasli sme poslednu polozku // Prerusim nacitanie break; } } qsort (list, counter, sizeof(struct pizza), compare_pizza); int i=0; for (i = 0; i < counter; i++) { printf("%s%.6f\n", list[i].name, list[i].prize); } return 0; } int read_item(struct pizza* item){ char line[LINE_SIZE]; char line2[LINE_SIZE]; memset(line,0,LINE_SIZE); memset(line2,0,LINE_SIZE); while (1){ char *r = fgets(line,LINE_SIZE,stdin); if(r != NULL && line[1] != 0){ int i=0; //printf("%s",line); while(line[i]!='\n' || line[i]!='\r'){ if(line[i]=='\n'){ //printf("Koniec n riadku\n"); break; } else if(line[i]=='\r'){ //printf("Koniec r riadku\n"); break; } else if((line[i]>='a' && line[i]<='z') || (line[i]>='A' && line[i]<='Z') || line[i]==' ' || line[i]=='-'){ //printf("%c\n",line[i]); i++; } else{ //printf("NeplatnĂ˝ znak %c\n",line[i]); return 0; } } i=0; char *r2 = fgets(line2,LINE_SIZE,stdin); if(r2 != NULL && line2[1] != 0){ int i=0; int comma=0; int comma_number=0; //printf("%s",line); while(line2[i]!='\n' || line2[i]!='\r' || line2[i]!='\0'){ if(line2[i]=='\n'){ //printf("Koniec n riadku\n"); break; } else if(line2[i]=='\r'){ //printf("Koniec r riadku\n"); break; } else if(line2[i]=='\0'){ //printf("Koniec r riadku\n"); break; } else if((line2[i]>='0' && line2[i]<='9') || line2[i]=='.'){ //printf("%c\n",line[i]); if(line2[i]=='.'){ comma++; } if(line2[i]!='.' && comma){ comma_number++; } i++; } else{ //printf("NeplatnĂ˝ znak %c\n",line[i]); return 0; } } i=0; //printf("Comma %d\n",comma); //printf("Comma number %d\n",comma_number); if(comma!=1)return 0; if(comma_number!=2)return 0; float value = strtof(line2,NULL); if (value == 0.0F){ return 0; } item->prize = value; strcpy(item->name, line); return 1; } else{ return 0; } } else{ return 0; } } }