85 lines
2.3 KiB
C
85 lines
2.3 KiB
C
#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#define SIZE 100
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struct student {
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char name[SIZE];
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int votes;
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};
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// Funkcia pre porovnanie dvoch študentov pri triedení
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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
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int result = s2->votes - s1->votes;
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if (result == 0) {
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// Ak majú rovnaký počet hlasov, zoradíme lexikograficky podľa mena
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return strcmp(s1->name, s2->name);
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}
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return result;
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}
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int main() {
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struct student students[SIZE];
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memset(students, 0, SIZE * sizeof(struct student));
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int size = 0;
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char line[SIZE];
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char name[SIZE];
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int votes;
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printf("Enter votes for 'Student of the Year' contest (or 'q' to quit):\n");
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while (fgets(line, SIZE, stdin) != NULL) {
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// Kontrola ukončenia vstupu
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if (strcmp(line, "q\n") == 0 || strcmp(line, "Q\n") == 0) {
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break;
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}
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// Načítanie počtu hlasov a mena zo vstupu
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if (sscanf(line, "%d %[^\n]", &votes, name) != 2) {
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printf("Invalid input format. Exiting.\n");
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return 1;
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}
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// Vyhľadanie študenta v databáze
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int index = -1;
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for (int i = 0; i < size; i++) {
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if (strcmp(students[i].name, name) == 0) {
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index = i;
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break;
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}
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}
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// Ak študent nie je v databáze, pridáme ho
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if (index == -1) {
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if (size < SIZE) {
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strcpy(students[size].name, name);
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students[size].votes = votes;
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size++;
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} else {
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printf("Database is full. Exiting.\n");
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return 1;
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}
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} else {
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// Ak študent už existuje, zvýšime počet hlasov
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students[index].votes += votes;
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}
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}
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// Triedenie databázy podľa počtu hlasov a mena
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qsort(students, size, sizeof(struct student), compare);
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// Výpis výsledkov
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printf("\nResults:\n");
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for (int i = 0; i < size; 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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