pvjc24/cv5/program.c
2024-03-21 21:01:53 +00:00

58 lines
1.4 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 = a;
const student_t *student_b = 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;
char line[1024];
while (fgets(line, sizeof(line), stdin)) {
int vote_count;
char *name;
sscanf(line, "%d %ms", &vote_count, &name);
if (students_capacity <= vote_count) {
students_capacity *= 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[vote_count].name = name;
students[vote_count].vote_count++;
}
qsort(students, students_capacity, sizeof(student_t), compare_students);
printf("Results:\n");
for (int i = 0; i < students_capacity; i++) {
if (students[i].vote_count > 0) {
printf("%d %s\n", students[i].vote_count, students[i].name);
students[i].name = NULL;
}
}
return 0;
}