pvjc25/du4/program.c

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

#define MAX_LEN 256
#define MAX_NAME_LEN 100

typedef struct {
    char name[MAX_NAME_LEN];
    int votes;
} Student;

int compare_students(const void *a, const void *b) {
    Student *student_a = (Student *)a;
    Student *student_b = (Student *)b;

    if (student_b->votes != student_a->votes) {
        return student_b->votes - student_a->votes;
    }

    return strcmp(student_a->name, student_b->name);
}

int main() {
    Student students[MAX_LEN];  
    int student_count = 0;

    char line[MAX_LEN];
    
    while (fgets(line, MAX_LEN, stdin)) {
        int votes;
        char name[MAX_NAME_LEN];
        
        if (sscanf(line, "%d %[^\n]", &votes, name) != 2) {
            if (student_count == 0) {
                printf("CHYBA\n");
                return 0;
            }
            break;
        }
        
        int found = 0;
        for (int i = 0; i < student_count; i++) {
            if (strcmp(students[i].name, name) == 0) {
                students[i].votes += votes;
                found = 1;
                break;
            }
        }
        
        if (!found) {
            if (student_count < MAX_LEN) {
                strcpy(students[student_count].name, name);
                students[student_count].votes = votes;
                student_count++;
            } else {
                printf("CHYBA\n");
                return 0;
            }
        }
    }

    printf("Vysledky:\n");
    for (int i = 0; i < student_count; i++) {
        printf("%d %s\n", students[i].votes, students[i].name);
    }
    
    return 0;
}