85 lines
1.9 KiB
C
85 lines
1.9 KiB
C
#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include <ctype.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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struct student databaza[SIZE];
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int size = 0;
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int find_student(const char* name) {
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for (int i = 0; i < size; i++) {
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if (strcmp(databaza[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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int compare(const void* a, const void* b) {
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struct student* s1 = (struct student*)a;
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struct student* s2 = (struct student*)b;
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if (s1->votes > s2->votes) return -1;
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if (s1->votes < s2->votes) return 1;
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return strcmp(s1->name, s2->name);
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}
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int main() {
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char line[SIZE];
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memset(databaza, 0, sizeof(databaza));
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while (fgets(line, SIZE, stdin)) {
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char* end;
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int votes = strtol(line, &end, 10);
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if (*end != ' ') {
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printf("Chyba: Neplatny format vstupu!\n");
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return 1;
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}
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end++;
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if (*end == '\0' || *end == '\n') {
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printf("Chyba: Neplatny format vstupu!\n");
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return 1;
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}
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char name[SIZE];
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memset(name, 0, SIZE);
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strncpy(name, end, SIZE - 1);
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name[strcspn(name, "\n")] = '\0';
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int id = find_student(name);
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if (id < 0) {
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if (size >= SIZE) {
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printf("Chyba: Databaza je plna!\n");
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return 1;
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}
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strncpy(databaza[size].name, name, SIZE - 1);
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databaza[size].votes = votes;
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size++;
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} else {
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databaza[id].votes += votes;
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}
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}
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if (size == 0) {
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printf("Chyba: Nebol nacitany ziadny platny zaznam!\n");
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return 1;
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}
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qsort(databaza, size, sizeof(struct student), compare);
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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", databaza[i].votes, databaza[i].name);
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}
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return 0;
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}
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