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skuska

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Weber 2024-03-21 21:23:37 +00:00
parent c057acd40a
commit 80b02b2f26
1 changed files with 49 additions and 49 deletions
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98
cv5/program.c
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@ -3,68 +3,68 @@
#include <string.h> #include <string.h>
typedef struct student { typedef struct student {
char *name; char *name;
int vote_count; int vote_count;
} student_t; } student_t;
int compare_students(const void *a, const void *b) { int compare_students(const void *a, const void *b) {
const student_t *student_a = (const student_t *)a; const student_t *student_a = (const student_t *)a;
const student_t *student_b = (const student_t *)b; const student_t *student_b = (const student_t *)b;
if (student_a->vote_count > student_b->vote_count) { if (student_a->vote_count > student_b->vote_count) {
return -1; return -1;
} else if (student_a->vote_count < student_b->vote_count) { } else if (student_a->vote_count < student_b->vote_count) {
return 1; return 1;
} }
return strcmp(student_a->name, student_b->name); return strcmp(student_a->name, student_b->name);
} }
int main() { int main() {
student_t *students = NULL; student_t *students = NULL;
int students_capacity = 0; int students_capacity = 0;
int student_count = 0; int student_count = 0;
char line[1024]; char line[1024];
while (fgets(line, sizeof(line), stdin)) { while (fgets(line, sizeof(line), stdin)) {
int vote_count; int vote_count;
char name[1024]; char name[1024];
sscanf(line, "%d %[^\n]", &vote_count, name); sscanf(line, "%d %[^\n]", &vote_count, name);
if (student_count >= students_capacity) { int found = 0;
students_capacity = (students_capacity + 1) * 2; for (int i = 0; i < student_count; i++) {
student_t *new_students = realloc(students, students_capacity * sizeof(student_t)); if (strcmp(students[i].name, name) == 0) {
if (new_students == NULL) { students[i].vote_count += vote_count;
fprintf(stderr, "Error: Memory reallocation failed\n"); found = 1;
return 1; break;
} }
students = new_students; }
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++;
}
} }
int found = 0; qsort(students, student_count, sizeof(student_t), compare_students);
printf("Vysledky:\n");
for (int i = 0; i < student_count; i++) { for (int i = 0; i < student_count; i++) {
if (strcmp(students[i].name, name) == 0) { printf("%d %s\n", students[i].vote_count, students[i].name);
students[i].vote_count += vote_count; // Sčítaj nové hlasy k existujúcemu počtu hlasov študenta free(students[i].name);
found = 1;
break;
}
} }
free(students);
if (!found) { return 0;
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;
} }