93 lines
2.4 KiB
C
93 lines
2.4 KiB
C
#include <stdio.h>
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#include <string.h>
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#include <stdlib.h>
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#include <stdbool.h>
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#define ROZMER 100
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int compare(const void* a1, const void* a2){//na triedenie poľa
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char* string1 = *((char**)a1);
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char* string2 = *((char**)a2);
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int r = strcmp(string1,string2);
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return r;
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}
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int printStatus(int pocet_mien_v_poli,int number_list){
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if (number_list < 0 || number_list == 0)
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{
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printf("Nespravny vstup\n");
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return 0;
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}
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if (pocet_mien_v_poli==1)
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{
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printf("Ziadne prihlasky\n");
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return 0;
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}
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return 1;
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}
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void printAllStudents(int pocet_mien_v_poli, int number_list, char* pole_smernikov[ROZMER]){
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for (size_t i = 0; i <=number_list ; i++)
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{
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if (pole_smernikov[i]!=NULL)
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{
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printf("%s",pole_smernikov[i]);
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}
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}
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if (number_list+1 < pocet_mien_v_poli)
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{
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printf("Neprijati studenti:\n");
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}
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for (size_t i = number_list+1; i < pocet_mien_v_poli ; i++)
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{
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if (pole_smernikov[i]!=NULL)
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{
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printf("%s",pole_smernikov[i]);
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}
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}
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}
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int main(){
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int pocet_mien_v_poli = 0;
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int number_list = 0;
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char* pole_smernikov[ROZMER];
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memset(pole_smernikov,0,ROZMER*sizeof(char*));
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scanf("%d", &number_list);
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// prečítať všetkých študentov z terminálu
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while (true)
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{
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char line[ROZMER];
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memset(line,0,ROZMER);
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char* r = fgets(line,ROZMER,stdin);
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int pocet_znakov = 0;
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if (r!=NULL){
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pocet_znakov = strlen(line);
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}else{
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break;
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}
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bool find = false;
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for (int i = 0; i < pocet_mien_v_poli; i++){
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if (memcmp(pole_smernikov[i],line,pocet_znakov) == 0){
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find = true;
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}
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}
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if(find == false){
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pole_smernikov[pocet_mien_v_poli] = calloc(' ',pocet_znakov + 1);
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memcpy(pole_smernikov[pocet_mien_v_poli],line,pocet_znakov + 1);
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pocet_mien_v_poli ++;
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}
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find = false;
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}
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if (printStatus(pocet_mien_v_poli, number_list) == 0){
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return 0;
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}
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qsort(pole_smernikov,pocet_mien_v_poli,sizeof(char*),compare);//triedi pole pomocou komparátora
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printf("Prijati studenti:");
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printAllStudents(pocet_mien_v_poli,number_list,pole_smernikov);
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for (int i = 0; i < pocet_mien_v_poli; i++){
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free(pole_smernikov[i]);
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}
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} |