pvjc23/du5/program.c

109 lines
1.8 KiB
C

#include <stdio.h>
#include <string.h>
#include <stdlib.h>
#define SIZE 100
struct student
{
int votes;
char name[SIZE];
};
int find_student(struct student* students,int size, const char* name)
{
int index = -1;
for(int i = 0; i < size; i++)
{
if(strcmp(students[i].name, name) == 0)
{
index = i;
break;
}
}
return index;
}
int compare(const void* p1, const void* p2)
{
struct student* s1 = (struct student*)p1;
struct student* s2 = (struct student*)p2;
if(s2->votes != s1->votes)
{
return s2->votes - s1->votes;
}
else
{
return strcmp(s1->name, s2->name);
}
}
int main()
{
struct student database[SIZE];
memset(database,0, SIZE*sizeof(struct student));
char string[SIZE];
int k = 0;
int index = 0;
int size_name = 0;
while(fgets(string, SIZE, stdin))
{
string[strcspn(string, "\n")] = '\0';
char *end = NULL;
if(string[0] == '\0')
{
break;
}
int value = strtol(string, &end, 10);
char *name = end + 1;
size_name = strlen(name);
if(value == 0 || name == NULL || size_name <= 0)
{
break;
}
index = find_student(database, k, name);
if(index == -1)
{
database[k].votes = value;
memcpy(database[k].name,name,size_name+1);
k++;
}
else
{
database[index].votes = database[index].votes + value;
}
}
qsort(database, k, sizeof(struct student), compare);
if( k == 0)
{
printf("Nepodarilo nacitat nic\n");
return 0;
}
printf("Vysledky:\n");
for (int i = 0; i < k; i++)
{
printf("%d %s\n", database[i].votes, database[i].name);
}
return 0;
}