pvjc24/cv5/program.c
2024-03-20 12:48:07 +01:00

102 lines
2.2 KiB
C

#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#define SIZE 100
struct student {
char name[SIZE];
int votes;
};
/*char* read_line(char* buffer, int size) {
char* result = fgets(buffer, size, stdin);
if (result) {
// Удаление символа новой строки, если он есть
char* newline = strchr(buffer, '\n');
if (newline)
*newline = '\0';
}
return result;
}*/
char* read_line(char* buffer, int size) {
char* result = fgets(buffer, size, stdin);
if (result) {
buffer[strcspn(buffer, "\n")] = '\0';
}
return result;
}
int parse_int(const char* str) {
return atoi(str);
}
int find_student(struct student* students, int size, const char* name) {
for (int i = 0; i < size; ++i) {
if (strcmp(students[i].name, name) == 0) {
return i;
}
}
return -1;
}
void add_student(struct student* students, int* size, const char* name, int votes) {
int index = find_student(students, *size, name);
if (index == -1) {
if (*size < SIZE) {
strcpy(students[*size].name, name);
students[*size].votes = votes;
(*size)++;
} else {
printf("Database is crowded!\n");
}
} else {
students[index].votes += votes;
}
}
int compare_students(const void* p1, const void* p2) {
const struct student* s1 = (const struct student*)p1;
const struct student* s2 = (const struct student*)p2;
if (s1->votes != s2->votes) {
return s2->votes - s1->votes;
} else {
return strcmp(s1->name, s2->name);
}
}
/*int main() {
struct student database[SIZE];
int size = 0;
char line[SIZE];
while (read_line(line, SIZE)) {
int votes = parse_int(line);
read_line(line, SIZE);
add_student(database, &size, line, votes);
}
qsort(database, size, sizeof(struct student), compare_students);
printf("Vysledky hlasovania:\n");
for (int i = 0; i < size; ++i) {
printf("%s: %d Hlas(ov) \n", database[i].name, database[i].votes);
}
return 0;
}*/