static void Main(string[] args)
{
SortedDictionary <string, Student> studentsDict = new SortedDictionary <string, Student>();
string input = Console.ReadLine();
while (input != "end of dates")
{
string[] userAndDates = input.Split(' ', ',').ToArray();
string name = userAndDates[0];
Student newStudent = new Student();
newStudent.Name = name;
newStudent.DatesAttended = new List <DateTime>();
newStudent.Comments = new List <string>();
if (userAndDates.Length > 1)
{
for (int i = 1; i < userAndDates.Length; i++)
{
DateTime currentDate = DateTime.ParseExact(userAndDates[i], "dd/MM/yyyy", CultureInfo.InvariantCulture);
newStudent.DatesAttended.Add(currentDate);
}
}
if (!studentsDict.ContainsKey(newStudent.Name))
{
studentsDict.Add(name, newStudent);
}
else
{
foreach (var date in newStudent.DatesAttended)
{
studentsDict[name].DatesAttended.Add(date);
}
}
input = Console.ReadLine();
}
input = Console.ReadLine();
while (input != "end of comments")
{
string[] userComments = input.Split('-').ToArray();
string name = userComments[0];
string comment = userComments[1];
if (!studentsDict.ContainsKey(name))
{
input = Console.ReadLine();
continue;
}
else
{
studentsDict[name].Comments.Add(comment);
}
input = Console.ReadLine();
}
foreach (var student in studentsDict)
{
Console.WriteLine(student.Key);
Console.WriteLine("Comments:");
foreach (var comment in student.Value.Comments)
{
Console.WriteLine($"- {comment}");
}
Console.WriteLine("Dates attended:");
foreach (var date in student.Value.DatesAttended.OrderBy(x => x))
{
Console.WriteLine($"-- {date.ToString("dd/MM/yyyy")}");
}
}
}
static void Main(string[] args)
{
List<Student> students = new List<Student>();
string[] info = Console.ReadLine().Split(new char[] { ' ', ',' }, StringSplitOptions.RemoveEmptyEntries).ToArray();
while (info[0] != "end")
{
string name = info[0];
if (!students.Any(x => x.Name == name))
{
Student temp = new Student();
temp.Name = name;
List<DateTime> tempList = new List<DateTime>();
for (int i = 1; i < info.Length; i++)
{
tempList.Add(DateTime.ParseExact(info[i], "dd/MM/yyyy", CultureInfo.InvariantCulture));
}
temp.Dates = tempList;
students.Add(temp);
}
else
{
Student temp = students.Where(x => x.Name == name).First();
for (int i = 1; i < info.Length; i++)
{
temp.Dates.Add(DateTime.ParseExact(info[i], "dd/MM/yyyy", CultureInfo.InvariantCulture));
}
}
info = Console.ReadLine().Split(new char[] { ' ', ',' }, StringSplitOptions.RemoveEmptyEntries);
}
string[] comments = Console.ReadLine().Split('-').ToArray();
while (comments[0] != "end of comments")
{
string name = comments[0];
string comment = comments[1];
if (students.Any(x => x.Name == name))
{
Student student = students.Where(x => x.Name == name).First();
if (student.Comments == null)
{
List<string> temp = new List<string>();
temp.Add(comment);
student.Comments = temp;
}
else
{
student.Comments.Add(comment);
}
}
comments = Console.ReadLine().Split('-').ToArray();
}
students = students.OrderBy(x => x.Name).ToList();
for (int i = 0; i < students.Count; i++)
{
students[i].Dates = students[i].Dates.OrderBy(x => x).ToList();
}
foreach (var student in students)
{
Console.WriteLine(student.Name);
Console.WriteLine("Comments:");
if (student.Comments != null)
{
foreach (var comment in student.Comments)
{
Console.WriteLine("-- {0}", comment);
}
}
Console.WriteLine("Dates attended:");
foreach (var date in student.Dates)
{
Console.WriteLine("-- {0}", date.ToString(@"dd\/MM\/yyyy"));
}
}
}
