108 lines
2.0 KiB
C
108 lines
2.0 KiB
C
#include <string.h>
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#include <stdio.h>
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#include <ctype.h>
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#include <stdlib.h>
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#include <stdbool.h>
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#define SIZE 100
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int compare(const void* arg1, const void* arg2){
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char* s1 = *((char**)arg1);
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char* s2 = *((char**)arg2);
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return strcmp(s1, s2);
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}
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void printStudents(char* pole_smernikov[], int mena, int MaxCislo) {
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printf("Prijati studenti:\n");
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for (int i = 0; i < MaxCislo && i < mena; i++) {
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printf("%s", pole_smernikov[i]);
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}
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if (mena > MaxCislo) {
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printf("Neprijati studenti:\n");
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for (int i = MaxCislo; i < mena; i++) {
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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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void uvolnenie_pamate(char* pole_smernikov[], int mena){
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for (int i = 0; i < mena; i++){
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free(pole_smernikov[i]);
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}
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}
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bool CheckRepeat(char* pole_smernikov[], char* riadok, int mena) {
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for (int i = 0; i < mena; i++) {
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if (strcmp(pole_smernikov[i], riadok) == 0) {
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return true;
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}
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}
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return false;
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}
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int main (){
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char* pole_smernikov[SIZE];
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memset(pole_smernikov,0,SIZE*sizeof(char*));
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int MaxCislo = 0;
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scanf("%d", &MaxCislo);
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getchar();
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int mena = 0;
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if (MaxCislo == 0 || MaxCislo == -1){
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printf("Nespravny vstup");
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}
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else{
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while (1){
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char line[SIZE];
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memset(line,0,SIZE);
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char* r = fgets(line,SIZE,stdin);
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if (r == NULL){
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//nepodarilo sa
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break;
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}
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//ci je prvy znak medzera alebo EOF
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if (isspace(line[0]) || line [0] == EOF) {
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break;
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}
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if (r!=NULL){
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// Podarilo sa
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int pocet_znakov = strlen(line);
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if (CheckRepeat(pole_smernikov, line,mena) == false){
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pole_smernikov[mena] = malloc(pocet_znakov + 1);
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memcpy(pole_smernikov[mena],line,pocet_znakov + 1);
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mena += 1;
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}
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}
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}
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}
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if (mena == 0){
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printf ("Ziadne prihlasky\n");
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return 0;
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}
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qsort(pole_smernikov, mena, sizeof(char*), compare);
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printStudents(pole_smernikov, mena, MaxCislo);
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uvolnenie_pamate( pole_smernikov, mena);
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return 0;
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} |