/*
  Name: Pole struktur
  Author: Jimmy
  Date: 21.03.11 08:30
*/

#include <stdio.h>
#include <stdlib.h>
#include <string.h>

typedef struct{int cislo;
               char nazev[30];
               float cena;
              }Tkniha;

int main(){
    Tkniha pole[20], pom;
    int i, pocet, j, min, zam;
    
    //--------------------Nacteni struktury----------------
    
    printf("Zadej pocet knih: ");
    scanf("%d", &pocet);
    for(i=0;i<pocet;i++){printf("%d. hodnota:\n", i+1);
                         printf("\tcislo: ");
                         scanf("%d", &pole[i].cislo);
                         printf("\tnazev: ");
                         scanf("%s", pole[i].nazev);
                         printf("\tcena: ");
                         scanf("%f", &pole[i].cena);
                         }
       
    //----------------Razeni podle ceny---------------------
    
    do{zam=0;
       for(i=0;i<pocet-1;i++){if(pole[i].cena>pole[i+1].cena){pom=pole[i];
                                                              pole[i]=pole[i+1];
                                                              pole[i+1]=pom;
                                                              zam=1;}                                                }
                             }while(zam==1);
                             
    //----------------Razeni podle nazvu---------------------
    
    do{zam=0;
       for(i=0;i<pocet-1;i++){if((strcmp(pole[i].nazev,pole[i+1].nazev))>0){pom=pole[i];
                                                                            pole[i]=pole[i+1];
                                                                            pole[i+1]=pom;
                                                                            zam=1;}                                                }
                             }while(zam==1);
    
    //----------------Vypis struktury-----------------------
    
    printf("\nKnihy:\n Cislo\t\tNazev\t\tCena\n");
    for(i=0;i<pocet;i++){printf("%5d ", pole[i].cislo);
                         printf("%20s ", pole[i].nazev);
                         printf("%10.2f\n", pole[i].cena);
                         }
    
    printf("\n\n");
 system("pause");
 return 0;   
}