pvjc24/cv5/program.c
2024-03-21 21:30:14 +00:00

72 lines
1.9 KiB
C

#include <stdio.h>
#include <stdlib.h>
#include <string.h>
typedef struct student {
char *name;
int vote_count;
} student_t;
int compare_students(const void *a, const void *b) {
const student_t *student_a = (const student_t *)a;
const student_t *student_b = (const student_t *)b;
if (student_a->vote_count > student_b->vote_count) {
return -1;
} else if (student_a->vote_count < student_b->vote_count) {
return 1;
}
return strcmp(student_a->name, student_b->name);
}
int main() {
student_t *students = NULL;
int students_capacity = 0;
int student_count = 0;
char line[1024];
while (fgets(line, sizeof(line), stdin)) {
int vote_count;
char name[1024];
sscanf(line, "%d %[^\n]", &vote_count, name);
int found = 0;
for (int i = 0; i < student_count; i++) {
if (strcmp(students[i].name, name) == 0) {
students[i].vote_count += vote_count;
found = 1;
break;
}
}
if (!found) {
if (student_count >= students_capacity) {
students_capacity = (students_capacity + 1) * 2;
student_t *new_students = realloc(students, students_capacity * sizeof(student_t));
if (new_students == NULL) {
fprintf(stderr, "Error: Memory reallocation failed\n");
return 1;
}
students = new_students;
}
students[student_count].name = strdup(name);
students[student_count].vote_count = vote_count;
student_count++;
}
}
qsort(students, student_count, sizeof(student_t), compare_students);
printf("Vysledky:\n");
for (int i = 0; i < student_count; i++) {
printf("%d %s\n", students[i].vote_count, students[i].name);
free(students[i].name);
}
free(students);
return 0;
}