pvjc24/cv5/program.c

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

#define MAX_STUDENTOV 100
#define MAX_MENO 100

typedef struct {
    char meno[MAX_MENO];
    int hlasy;
} Student;

Student studenti[MAX_STUDENTOV];
int pocetStudentov = 0;

int pridajHlas(char* meno, int pocetHlasov) {
    for (int i = 0; i < pocetStudentov; i++) {
        if (strcmp(studenti[i].meno, meno) == 0) {
            studenti[i].hlasy += pocetHlasov;
            return 0; 
        }
    }
    if (pocetStudentov < MAX_STUDENTOV) {
        strcpy(studenti[pocetStudentov].meno, meno);
        studenti[pocetStudentov].hlasy = pocetHlasov;
        pocetStudentov++;
        return 0; 
    }
    return 1; 
}

int porovnaj(const void* a, const void* b) {
    Student *studentA = (Student *)a;
    Student *studentB = (Student *)b;

    if (studentA->hlasy == studentB->hlasy) {
        return strcmp(studentA->meno, studentB->meno);
    }
    return studentB->hlasy - studentA->hlasy;
}

int main() {
    char riadok[150];
    char meno[MAX_MENO];
    int pocetHlasov;
    int validneZaznamy = 0; 

    while (fgets(riadok, sizeof(riadok), stdin)) {
        if (sscanf(riadok, "%d %[^\n]s", &pocetHlasov, meno) == 2) {
            if (pridajHlas(meno, pocetHlasov)) {
                printf("Nepodarilo sa pridať hlas.\n");
                return 1;
            }
            validneZaznamy = 1;
        } else {
            
            break;
        }
    }

    if (!validneZaznamy) {
       
        printf("Nepodarilo nacitat nic\n");
        return 1;
    }

    qsort(studenti, pocetStudentov, sizeof(Student), porovnaj);

    printf("Vysledky:\n");
    for (int i = 0; i < pocetStudentov; i++) {
        printf("%d %s\n", studenti[i].hlasy, studenti[i].meno);
    }

    return 0;
}