89 lines
2.3 KiB
C
89 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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#include <math.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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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_votes (const void* p1, const void* p2)
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{
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struct student* s1 = (struct student*)p1;
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struct student* s2 = (struct student*)p2;
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return (s2->votes - s1->votes);
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}
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int compare_names (const void* p1, const void* p2)
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{
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struct student* s1 = (struct student*)p1;
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struct student* s2 = (struct student*)p2;
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return strcmp(s1->name,s2->name);
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}
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int main(){
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int counter = 0;
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char name[SIZE];
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memset(name,0,SIZE);
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char line[SIZE];
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memset(line,0,SIZE);
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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(fgets(line,SIZE,stdin) && line[0] != '\n'){
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memset(name,0,SIZE);
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if(line == NULL){
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break;
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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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char* zaciatok_mena = end + 1;
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if (value == 0){
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break;
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}
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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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}
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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 id = find_student(databaza,size,name);
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if (id< 0){
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memcpy(databaza[counter].name,name,velkost_mena);
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databaza[counter].votes = value;
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size++;
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}
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else {
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memset(databaza[counter].name,0,velkost_mena);
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databaza[id].votes = databaza[id].votes + value;
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size++;
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}
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counter++;
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}
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counter--;
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qsort(databaza, size, sizeof(struct student), compare_names);
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qsort(databaza, size, sizeof(struct student), compare_votes);
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if(databaza[0].votes == 0)
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printf("Nepodarilo nacitat nic\n");
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else
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printf("Vysledky:\n");
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for(int i = 0; i < size; i++) {
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if(databaza[i].votes != 0)
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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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