pvjc26/a3/program.c
2026-03-24 17:10:35 +01:00

80 lines
1.8 KiB
C

#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#define SIZE 1024
int compare(const void* arg1, const void* arg2) {
char* s1 = *((char**)arg1);
char* s2 = *((char**)arg2);
return strcmp(s1, s2);
}
int main() {
int max_prijatych = 0;
if (scanf("%d\n", &max_prijatych) != 1 || max_prijatych <= 0) {
puts("Nespravny vstup");
return 1;
}
char* mena[SIZE];
memset(mena, 0, SIZE * sizeof(char*));
int pocet_mien = 0;
char line[SIZE];
while (pocet_mien < SIZE) {
memset(line, 0, SIZE);
char* r = fgets(line, SIZE, stdin);
if (r == NULL) break;
int pocet_znakov = strlen(line);
if (pocet_znakov <= 1) break;
if (line[pocet_znakov - 1] == '\n') {
line[pocet_znakov - 1] = '\0';
pocet_znakov--;
}
int najdene = 0;
for (int i = 0; i < pocet_mien; i++) {
if (strcmp(mena[i], line) == 0) {
najdene = 1;
break;
}
}
if (!najdene) {
mena[pocet_mien] = malloc(pocet_znakov);
strcpy(mena[pocet_mien], line);
pocet_mien++;
}
}
if (pocet_mien == 0) {
puts("Ziadne prihlasky");
return 1;
}
qsort(mena, pocet_mien, sizeof(char*), compare);
puts("Prijati studenti:");
int prijatych = (max_prijatych < pocet_mien) ? max_prijatych : pocet_mien;
for (int i = 0; i < prijatych; i++) {
puts(mena[i]);
}
if (pocet_mien > max_prijatych) {
puts("Neprijati studenti:");
for (int i = max_prijatych; i < pocet_mien; i++) {
puts(mena[i]);
}
}
for (int i = 0; i < pocet_mien; i++) {
free(mena[i]);
}
return 0;
}