101 lines
2.0 KiB
C
101 lines
2.0 KiB
C
#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#define SIZE 100
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struct student {
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char name[SIZE];
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int votes;
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};
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int read_input(int* votes, char* name, int size) {
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char line[SIZE];
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if (fgets(line, size, stdin) != NULL) {
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char* space = strchr(line, ' ');
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if (space != NULL) {
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*votes = atoi(line);
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strcpy(name, space + 1);
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char* newline = strchr(name, '\n');
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if (newline)
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*newline = '\0';
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return 1;
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}
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}
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return 0;
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}
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int parse_int(const char* str) {
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return atoi(str);
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}
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int find_student(struct student* students, int size, const char* name) {
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for (int i = 0; i < size; ++i) {
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if (strcmp(students[i].name, name) == 0) {
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return i;
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}
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}
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return -1;
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}
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void add_student(struct student* students, int* size, const char* name, int votes) {
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int index = find_student(students, *size, name);
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if (index == -1) {
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if (*size < SIZE) {
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strcpy(students[*size].name, name);
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students[*size].votes = votes;
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(*size)++;
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} else {
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printf("Datebase is crowded!\n");
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}
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} else {
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students[index].votes += votes;
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}
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}
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int compare_students(const void* p1, const void* p2) {
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const struct student* s1 = (const struct student*)p1;
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const struct student* s2 = (const struct student*)p2;
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if (s1->votes != s2->votes) {
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return s2->votes - s1->votes;
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} else {
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return strcmp(s1->name, s2->name);
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}
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}
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int main() {
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struct student database[SIZE];
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int size = 0;
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int votes;
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char name[SIZE];
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while (read_input(&votes, name, SIZE)) {
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add_student(database, &size, name, votes);
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}
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qsort(database, size, sizeof(struct student), compare_students);
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printf("Vysledky:\n");
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for (int i = 0; i < size; ++i) {
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printf("%d %s\n", database[i].votes, database[i].name);
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}
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return 0;
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}
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