107 lines
2.1 KiB
C
107 lines
2.1 KiB
C
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#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 MAX_M 100
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#define MAX_S 100
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typedef struct {
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char meno[MAX_M];
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int hlasy;
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} Student;
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int najdi_studenta(Student studenti[], int pocet, char *meno) {
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for (int i = 0; i < pocet; i++) {
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if (strcmp(studenti[i].meno, meno) == 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 porovnaj(const void *a, const void *b) {
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Student *s1 = (Student *)a;
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Student *s2 = (Student *)b;
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if (s2->hlasy != s1->hlasy) {
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return s2->hlasy - s1->hlasy;
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}
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return strcmp(s1->meno, s2->meno);
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}
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int je_cislo(const char *retazec) {
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while (*retazec) {
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if (!isdigit(*retazec)) {
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return 0;
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}
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retazec++;
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}
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return 1;
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}
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int main() {
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Student studenti[MAX_S];
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int pocet_studentov = 0;
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char meno[MAX_M];
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char vstup[MAX_M + 10];
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int hlasy;
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int nacitane = 0;
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while (fgets(vstup, sizeof(vstup), stdin) != NULL){
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vstup[strcspn(vstup, "\n")] = 0;
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if (strlen(vstup) == 0) {
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break;
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}
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if (sscanf(vstup, "%d %[^\n]", &hlasy, meno) != 2 || hlasy <= 0) {
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printf("Nepodarilo nacitat nic\n");
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return 1;
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}
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nacitane = 1;
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int index = najdi_studenta(studenti, pocet_studentov, meno);
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if (index != -1) {
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studenti[index].hlasy += hlasy;
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} else {
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if (pocet_studentov >= MAX_S) {
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printf("Nepodarilo nacitat nic\n");
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return 1;
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}
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strcpy(studenti[pocet_studentov].meno, meno);
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studenti[pocet_studentov].hlasy = hlasy;
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pocet_studentov++;
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}
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}
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if (!nacitane) {
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printf("Nepodarilo nacitat nic\n");
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return 1;
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}
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qsort(studenti, pocet_studentov, sizeof(Student), porovnaj);
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printf("Vysledky:\n");
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for (int i = 0; i < pocet_studentov; i++) {
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printf("%d %s\n", studenti[i].hlasy, studenti[i].meno);
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}
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return 0;
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}
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