74 lines
1.5 KiB
C
74 lines
1.5 KiB
C
#include "anketa.h"
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#include <stdlib.h>
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#include <string.h>
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#include <assert.h>
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int count_students(struct student* students){
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int i;
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for(i=0; i<MAXSTUDENTS; i++){
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if(students[i].votes<=0){
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break;
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}
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}
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return i;
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}
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int search(struct student* students,const char* name){
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int a;
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for(int i=0; i<count_students(students); i++){
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a=strcmp(students[i].name,name);
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if(a==0){
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return i;
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}else{
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continue;
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}
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}
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return -1;
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}
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int add_student(struct student* students, const char* name, int votes){
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int index=search(students,name),pocet=count_students(students);
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if(index==-1&&pocet<MAXSTUDENTS){
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strcpy(students[pocet].name,name);
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students[pocet].votes=votes;
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return pocet;
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}else if(pocet<MAXSTUDENTS){
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students[index].votes+=votes;
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return index;
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}
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return -1;
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}
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int compare(const void* s1,const void* s2){
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struct student* stud1=(struct student*)s1;
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struct student* stud2=(struct student*)s2;
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return stud1->votes==stud2->votes?0:stud1->votes<stud2->votes?1:-1;
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}
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void sort_students(struct student* students){
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qsort(students, count_students(students), sizeof(struct student), compare);
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}
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void print_students(struct student* students){
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for(int i=0;i<count_students(students);i++){
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if(students[i].name!=NULL){
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printf("%s\n %d\n", students[i].name, students[i].votes);
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}
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}
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}
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void read_students(FILE* file,struct student* students){
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char meno[100];
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int body,result;
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while(fscanf(file,"%s",&meno[0])!=EOF){
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fscanf(file,"%d",&body);
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result= add_student(students,meno,body);
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if(result==-1){
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break;
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}
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}
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}
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