63 lines
1.5 KiB
C
63 lines
1.5 KiB
C
#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#define MAX_NAME_LEN 256
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#define MAX_STUDENTS 10000
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int compare(const void *a, const void *b) {
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return strcmp(*(const char **)a, *(const char **)b);
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}
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int main() {
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int max_students;
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if (scanf("%d", &max_students) != 1 || max_students <= 0) {
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puts("Nespravny vstup");
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return 1;
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}
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char buffer[MAX_NAME_LEN];
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fgets(buffer, sizeof(buffer), stdin);
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char *names[MAX_STUDENTS];
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int counter = 0;
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while (fgets(buffer, sizeof(buffer), stdin)) {
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// remove newline
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buffer[strcspn(buffer, "\n")] = '\0';
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if (buffer[0] == '\0') break;
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// check duplicate
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int duplicate = 0;
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for (int i = 0; i < counter; i++) {
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if (strcmp(names[i], buffer) == 0) { duplicate = 1; break; }
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}
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if (!duplicate) {
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names[counter++] = strdup(buffer);
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if (counter >= MAX_STUDENTS) break;
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}
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}
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if (counter == 0) {
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puts("Ziadne prihlasky");
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return 1;
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}
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qsort(names, counter, sizeof(char *), compare);
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puts("Prijati studenti:");
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int accepted = counter < max_students ? counter : max_students;
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for (int i = 0; i < accepted; i++) {
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puts(names[i]);
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}
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if (counter > max_students) {
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puts("Neprijati studenti:");
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for (int i = max_students; i < counter; i++) {
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puts(names[i]);
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}
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}
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for (int i = 0; i < counter; i++) free(names[i]);
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return 0;
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} |