103 lines
2.0 KiB
C
103 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 Fstudent(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 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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// s1->votes je počet hlasov
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// s1->name je meno študenta
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if (s1->votes != s2->votes) {
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return s2->votes - s1->votes;
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}
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return strcmp(s1->name, s2->name);
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}
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int main(){
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struct student databaza[SIZE];
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memset(databaza,0,SIZE*sizeof(struct student));
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int size = 0;
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while(1){
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char line[SIZE];
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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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// Nastal koniec načítania
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}
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char* end = NULL;
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int value = strtol(line,&end,10);
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if (value == 0){
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break;
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// Premena sa nepodarila
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}
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if (*end != ' ') {
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break;
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}
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char name[SIZE];
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memset(name, 0, SIZE);
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char* zaciatok_mena = end + 1;
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int velkost_mena = strlen(zaciatok_mena) - 1;
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memcpy(name,zaciatok_mena,velkost_mena);
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name[velkost_mena] = '\0';
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if (velkost_mena <= 1) {
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break;
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}
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int id = Fstudent(databaza, size, name);
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if (id< 0){
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if (size >= SIZE) {
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break;
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}
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// Skopirujte zaznam na posledne miesto v poli
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memcpy(databaza[size].name,name,velkost_mena + 1);
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databaza[size].votes = value;
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// Zvacsite pocet zaznamov
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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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if (size == 0) {
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printf("Nepodarilo nacitat nic\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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} |