80 lines
2.1 KiB
C
80 lines
2.1 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_STUDENTS 100
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#define MAX_NAME_LENGTH 50
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struct Student {
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char name[MAX_NAME_LENGTH];
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int votes;
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};
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// Funkcia načíta študentov zo štandardného vstupu a sčíta ich hlasy
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int read_and_sum_votes(struct Student students[], int max_students) {
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int count = 0;
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while (count < max_students) {
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int votes;
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char name[MAX_NAME_LENGTH];
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if (scanf("%d %[^\n]", &votes, name) != 2) {
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break; // Koniec vstupu alebo chyba
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}
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// Hľadáme, či už sme tento študent videli
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int found = 0;
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for (int i = 0; i < count; i++) {
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if (strcmp(students[i].name, name) == 0) {
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// Ak sme študenta našli, pridáme mu hlasy
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students[i].votes += votes;
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found = 1;
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break;
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}
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}
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// Ak sme študenta ešte nevideli, pridáme ho do zoznamu
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if (!found) {
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strcpy(students[count].name, name);
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students[count].votes = votes;
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count++;
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}
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// Zbavíme sa koncového znaku nového riadku z bufferu vstupu
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getchar();
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}
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return count;
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}
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// Funkcia na porovnávanie študentov pre qsort
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int compare(const void *p1, const void *p2) {
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const struct Student *s1 = (const struct Student *)p1;
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const struct Student *s2 = (const struct Student *)p2;
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// Porovnanie podľa počtu hlasov, v prípade rovnakého počtu podľa mena
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if (s1->votes != s2->votes) {
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return s2->votes - s1->votes;
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} else {
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return strcmp(s1->name, s2->name);
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}
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}
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int main() {
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struct Student students[MAX_STUDENTS];
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int count = read_and_sum_votes(students, MAX_STUDENTS);
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if (count == 0) {
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printf("Nepodarilo nacitat nic\n");
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return 1;
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}
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// Triedenie študentov
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qsort(students, count, sizeof(struct Student), compare);
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// Výpis výsledkov
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printf("Vysledky:\n");
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for (int i = 0; i < count; i++) {
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printf("%d %s\n", students[i].votes, students[i].name);
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}
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return 0;
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}
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