pvjc24/cv10/program.c

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

int main() {
    int count;
    char buffer[100];
    char **applications;
    int i, j;

    if (scanf("%d", &count) != 1 || count <= 0) {
        printf("Nespravny vstup\n");
        return 1;
    }

    applications = (char **)malloc(count * sizeof(char *));
    if (!applications) {
        printf("Chyba pri alokacii pamate\n");
        return 1;
    }

    i = 0;
    while (scanf("%s", buffer) == 1 && strcmp(buffer, "") != 0) {
        int found = 0;
        for (j = 0; j < i; j++) {
            if (strcmp(applications[j], buffer) == 0) {
                found = 1;
                break;
            }
        }
        if (!found) {
            applications[i] = strdup(buffer);
            i++;
        }
    }

    if (i == 0) {
        printf("Ziadne prihlasky\n");
        return 1;
    }

    // Sort the applications alphabetically
    for (int m = 0; m < i - 1; m++) {
        for (int n = m + 1; n < i; n++) {
            if (strcmp(applications[m], applications[n]) > 0) {
                char *temp = applications[m];
                applications[m] = applications[n];
                applications[n] = temp;
            }
        }
    }

    printf("Prijati studenti:\n");
    for (j = 0; j < (count < i ? count : i); j++) {
        printf("%s\n", applications[j]);
    }

    if (count < i) {
        printf("Neprijati studenti:\n");
        for (; j < i; j++) {
            printf("%s\n", applications[j]);
        }
    }

    // Free allocated memory
    for (j = 0; j < i; j++) {
        free(applications[j]);
    }
    free(applications);

    return 0;
}