#include <stdio.h>
#include <string.h>
#include <stdlib.h>

#define SIZE 30

typedef struct student{
	int id;
	int help;
	char name[SIZE];
	char *task[SIZE];
}student;

void swap(student *xp, student *yp)
{
	student temp = *xp;
	*xp = *yp;
	*yp = temp;
}

void bubbleSort(student arr[], int n)
{
	int i, j;
	for (i = 0; i < n - 1; i++)

		// Last i elements are already in place
		for (j = 0; j < n - i - 1; j++)
			if (arr[j].help <= arr[j + 1].help)
				swap(&arr[j], &arr[j + 1]);
}


void swap2(int *xp, int *yp)
{
	int temp = *xp;
	*xp = *yp;
	*yp = temp;
}

void bubbleSort2(int arr[], int n)
{
	int i, j;
	for (i = 0; i < n - 1; i++)

		// Last i elements are already in place
		for (j = 0; j < n - i - 1; j++)
			if (arr[j] <= arr[j + 1])
				swap2(&arr[j], &arr[j + 1]);
}


int main(void)
{
	int i;
	int noSessions;
	int noStudents;

	printf("Enter number of consultation sesssions: ");
	scanf("%d", &noSessions);

    //create an array of sessions.
    int sessionCount[noSessions];

	printf("Enter number of students: ");
	scanf("%d", &noStudents);

	student arr[SIZE];

	for (i = 0; i < noStudents; i++) {
		int j = i + 1;
		printf("Enter enter student %d ID, name and consultation session.", j);
		scanf("%d" "%s" "%d", &arr[i].id, arr[i].name, &arr[i].help);
        //increment the number of people in that particular session.
        sessionCount[arr[i].help]++;
	}

	printf("Student ID == Full Name == Consultation Session");

	bubbleSort(arr, noStudents);

	for (i = 0; i < noStudents; i++) {
		printf("\n");
		printf("   %d   <>     %s     <>         %d", arr[i].id, arr[i].name, arr[i].help);
		printf("\n");
	}

    //print the number of people in each session
    for (i = 0; i < noSessions; i++) {
		printf("\n");
		printf("%d,  %d", i, sessionCount[i]);
		printf("\n");
	}

}