104 lines
2.3 KiB
C
104 lines
2.3 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 find_student(struct student *students, int size, const char *name);
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int compare(const void *p1, const void *p2);
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struct student databaza[SIZE];
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int size = 0;
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char line[SIZE];
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int main() {
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memset(databaza, 0, SIZE * sizeof(struct student));
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int prvy_vstup = 1;
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while (1) {
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memset(line, 0, SIZE);
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char *r = fgets(line, SIZE, stdin);
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if (r == NULL) {
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break;
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}
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if (strcmp(line, "\n") == 0) {
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continue;
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}
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int value = strtol(line, NULL, 10);
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if (value == 0) {
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if (prvy_vstup) {
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printf("Nepodarilo nacitat nic.\n");
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return 0;
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} else {
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break;
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}
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}
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prvy_vstup = 0;
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char name[SIZE];
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memset(name, 0, SIZE);
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char *zaciatok_mena = strchr(line, ' ') + 1;
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int velkost_mena = strlen(zaciatok_mena) - 1;
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if (velkost_mena > 0) {
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memcpy(name, zaciatok_mena, velkost_mena);
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name[velkost_mena] = '\0';
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} else {
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printf("Nepodarilo sa nacitat meno\n");
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return 0;
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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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int id = find_student(databaza, size, name);
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if (id < 0) {
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strcpy(databaza[size].name, name);
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databaza[size].votes = value;
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size += 1;
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} else {
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databaza[id].votes += value;
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}
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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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int compare(const void *p1, const void *p2) {
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struct student *s1 = (struct student *)p1;
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struct student *s2 = (struct student *)p2;
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if (s1->votes < s2->votes) {
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return 1;
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} else if (s1->votes > s2->votes) {
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return -1;
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}
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return strcmp(s1->name, s2->name);
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}
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