// Deze method checkt rooster conflicten (Dubbele roosteringen van studenten)
public int computeStudentConflicts() {
ArrayList<Student> checkedStudentsList = new ArrayList<Student>();
int studentConflictCounter = 0;
boolean conflictFound = false;
for (int i = 0; i < timeslots; i++) {
for (int j = 0; j < rooms.size() - 1; j++) {
Activity activity = rooms.get(j).timetable.get(i);
if (activity != null) {
for (Student student : activity.studentGroup) {
if (!checkedStudentsList.contains(student)) {
for (int k = j + 1; k < rooms.size(); k++) {
Room otherRoom = rooms.get(k);
Activity otherActivity = otherRoom.timetable.get(i);
if (otherActivity != null) {
if (otherActivity.studentGroup.contains(student)) {
studentConflictCounter++;
conflictFound = true;
}
}
}
}
if (conflictFound) {
checkedStudentsList.add(student);
conflictFound = false;
}
}
}
}
checkedStudentsList.clear();
}
return studentConflictCounter;
}
public static void main(String[] args) {
Locale.setDefault(Locale.ROOT);
Scanner scanner = new Scanner(System.in);
TreeMap<String, Map<String, ArrayList<Integer>>> map = new TreeMap<>();
int n = Integer.parseInt(scanner.nextLine());
for (int i = 0; i < n; i++) {
String[] line = scanner.nextLine().split("\\s+");
String fullName = line[0] + " " + line[1];
String subject = line[2];
int score = Integer.parseInt(line[3]);
if (map.containsKey(fullName)) {
if (map.get(fullName).containsKey(subject)) {
map.get(fullName).get(subject).add(score);
} else {
ArrayList<Integer> list = new ArrayList<>();
list.add(score);
map.get(fullName).put(subject, list);
}
} else {
ArrayList<Integer> list = new ArrayList<>();
list.add(score);
Map<String, ArrayList<Integer>> innerMap = new TreeMap<>();
innerMap.put(subject, list);
map.put(fullName, innerMap);
}
}
for (String name : map.keySet()) {
String print = name + ": [";
for (Map.Entry<String, ArrayList<Integer>> innerMap : map.get(name).entrySet()) {
double average = getAverage(innerMap.getValue());
print += String.format("%s - %.2f, ", innerMap.getKey(), average);
}
String finalPrint = "";
for (int i = 0; i < print.length() - 2; i++) {
finalPrint += print.charAt(i);
}
finalPrint += "]";
System.out.println(finalPrint);
}
}