84 lines
1.7 KiB
C
84 lines
1.7 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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for(int i=0; i<size; i++){
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if(!strcmp(students[i].name, name)){
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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 * a, const void * b){
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if(((struct student*)a)->votes < ((struct student*)b)->votes)
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return 1;
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if(((struct student*)a)->votes == ((struct student*)b)->votes)
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return strcmp(((struct student*)a)->name, ((struct student*)b)->name);
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if(((struct student*)a)->votes > ((struct student*)b)->votes)
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return -1;
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}
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int main(int argc, char const *argv[]){
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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(size!=SIZE){
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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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}
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if(line[0]=='\n'){
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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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if (value == 0){
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if(size!=0){
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break;
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}
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printf("Nepodarilo nacitat nic\n");
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return 0;
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}
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char tmp[SIZE];
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memset(tmp, 0, SIZE);
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memcpy(tmp, end+1, strlen(end+1)-1);
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int idx = find_student(databaza, size, tmp);
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if(idx!=-1){
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memcpy(databaza[idx].name, tmp, strlen(tmp));
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databaza[idx].votes += value;
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}
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else{
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memcpy(databaza[size].name, tmp, strlen(tmp));
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databaza[size].votes = value;
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size++;
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}
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}
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qsort(databaza, size, sizeof(struct student), compare_votes);
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if(size==0){
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printf("Nepodarilo nacitat nic\n");
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}
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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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printf("%d %s\n", databaza[i].votes, databaza[i].name);
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}
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}
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return 0;
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}
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