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

#define SIZE 100
#define MAX 10

typedef struct _record {
  char name[SIZE];
  char roll[MAX];
  char dept[MAX];
  int course; // 0: BTech, 1: Dual, 2: MTech, 3: MS, 4: PhD
  int sem;
  char hall[MAX];
} record;

typedef struct _venue {
  char sub[SIZE];
  char room[MAX];
  int exam; // 0: departmental, 1: central
  char slot;
} venue;

typedef struct _timing {
  int date; //DDMMYYYY format
  char time; // 'a' for am/FN and 'p' for pm/AN
} timing;

typedef struct _admit {
  record who;
  int exam; // 0 for MidSem and 1 for EndSem
  int subCount;
  venue *where;
  timing *when;
} admit;

void inputDetails ( admit *student, int n )
{
  int i, j;

  printf("\n++ Enter Details of %d Students ++\n", n);
  for ( i=0; i<n; ++i ) {
    printf("\n-- Student %d --\n", i+1);
    printf("Name: "); scanf("%s", student[i].who.name);
    printf("Roll: "); scanf("%s", student[i].who.roll);
    printf("Dept: "); scanf("%s", student[i].who.dept);
    printf("Semester: "); scanf("%d", &(student[i].who.sem));
    printf("Hall: "); scanf("%s", student[i].who.hall);
    printf("Which Exam? (0: MidSem, 1: EndSem): "); scanf("%d", &(student[i].exam));

    printf("How Many Subjects? "); scanf("%d", &(student[i].subCount));
    student[i].where = (venue *)malloc(student[i].subCount * sizeof(venue));
    student[i].when = (timing *)malloc(student[i].subCount * sizeof(timing));

    printf("\n: Enter Venue and Timing for %d Exam Subjects :\n", student[i].subCount);
    for ( j=0; j<student[i].subCount; ++j) {
      printf("\nEnter Subject: "); scanf("%s", student[i].where[j].sub);
      printf("Enter Room: "); scanf("%s", student[i].where[j].room);
      printf("Enter Exam Place (0: Departmental, 1: Central): "); scanf("%d", &(student[i].where[j].exam));
      printf("Enter Sitting Slot: "); scanf(" %c", &(student[i].where[j].slot));
      printf("Enter Date of Exam (in DDMMYYYY format): "); scanf("%d", &(student[i].when[j].date));
      printf("Enter Time of Exam (a for AM/FN and p for PM/AN): "); scanf(" %c", &(student[i].when[j].time));
    }
  }
}

void printDetails ( admit *student, int n )
{
  int i, j;

  printf("\n\n++ Details of %d Students ++\n", n);
  for ( i=0; i<n; ++i ) {
    printf("\n-- Student %d --\n", i+1);
    printf("Name: %s\n", student[i].who.name);
    printf("Roll: %s\n", student[i].who.roll);
    printf("Dept: %s\n", student[i].who.dept);
    printf("Semester: %d\n", student[i].who.sem);
    printf("Hall: %s\n", student[i].who.hall);
    (student[i].exam)? printf("Exam Type: EndSem\n") : printf("Exam Type: MidSem\n");

    printf(": Venue and Timing Details for %d Exam Subjects :\n", student[i].subCount);
    printf("No. \t Subject \t Room \t Slot \t Date \t\t Time \t Alloc\n");
    for ( j=0; j<student[i].subCount; ++j) {
      printf("%d \t %s \t %s \t %c \t %d/%d/%d \t ",
             j+1, student[i].where[j].sub, student[i].where[j].room, student[i].where[j].slot,
             ((student[i].when[j].date)/1000000)%100, ((student[i].when[j].date)/10000)%100,
             (student[i].when[j].date)%10000);
      if (student[i].when[j].time == 'a') printf("FN \t ");
      if (student[i].when[j].time == 'p') printf("AN \t ");
      (student[i].where[j].exam) ? printf("CNT\n") : printf("DEP\n"); 
    }
  }
}

int main ()
{
  int n;
  admit *all;

  printf("How Many Students? "); scanf("%d", &n);
  all = (admit *)malloc(n * sizeof(admit));

  inputDetails(all, n);
  printDetails(all, n);

  return 0;
}