static MyTime TimeSinceMidnight(int s)
{
MyTime res = new MyTime(0, 0, s);
res.Normalize();
return(res);
}
static string WhatLesson(MyTime t)
{
if (Difference(t, new MyTime(8, 0, 0)) < 0)
{
return("пари ще не почались");
}
t = AddSeconds(t, -8 * 60 * 60);
int les_num = 1;
while (les_num < 5 && (Difference(t, new MyTime(1, 40, 0)) >= 0)) // Counting lessons and breaks 1 through 4
{
les_num++;
t = AddSeconds(t, -1 * 60 * 60 - 40 * 60); // -1h 40m
}
if (les_num == 5 && Difference(t, new MyTime(1, 30, 0)) >= 0) // after 5th lesson break is 10mins long
{
les_num++;
t = AddSeconds(t, -1 * 60 * 60 - 30 * 60); // -1h 30m
}
if (Difference(t, new MyTime(1, 20, 0)) < 0)
{
return($"{les_num}-{(les_num == 3 ? "я" : "а")} пара");
}
else if (les_num < 6)
{
return($"перерва між {les_num}-ю та {les_num + 1}-ю парами");
}
else
{
return("пари вже скінчились");
}
}
static void Main(string[] args)
{
MyTime t = new MyTime(9, 2, 30);
Console.WriteLine(t);
Console.WriteLine("TimeSinceMidnight:");
Console.WriteLine(TimeSinceMidnight(t));
Console.WriteLine(TimeSinceMidnight(24 * 60 * 60 - 1));
Console.WriteLine("Add one (s/m/h):");
t = AddOneSecond(t);
Console.WriteLine(t);
t = AddOneMinute(t);
Console.WriteLine(t);
t = AddOneHour(t);
Console.WriteLine(t);
Console.WriteLine("AddSeconds:");
t = AddSeconds(t, -40000);
Console.WriteLine(t);
Console.WriteLine(AddSeconds(new MyTime(23, 59, 59), 2));
Console.WriteLine("Difference:");
Console.WriteLine(Difference(t, new MyTime(4, 20, 0)));
MyTime t1 = new MyTime(7, 59, 59);
Console.WriteLine($"What lesson {t1}: {WhatLesson(t1)}");
MyTime t2 = new MyTime(8, 0, 0);
Console.WriteLine($"What lesson {t2}: {WhatLesson(t2)}");
MyTime t3 = new MyTime(17, 29, 59);
Console.WriteLine($"What lesson {t3}: {WhatLesson(t3)}");
MyTime t4 = new MyTime(17, 30, 0);
Console.WriteLine($"What lesson {t4}: {WhatLesson(t4)}");
}
static int Difference(MyTime t1, MyTime t2)
{
return(TimeSinceMidnight(t1) - TimeSinceMidnight(t2));
}
static MyTime AddSeconds(MyTime t, int s)
{
t.second += s;
t.Normalize();
return(t);
}
static MyTime AddOneHour(MyTime t)
{
t.hour += 1;
t.Normalize();
return(t);
}
static MyTime AddOneMinute(MyTime t)
{
t.minute += 1;
t.Normalize();
return(t);
}
static MyTime AddOneSecond(MyTime t)
{
t.second += 1;
t.Normalize();
return(t);
}
static int TimeSinceMidnight(MyTime t)
{
return(t.second + t.minute * 60 + t.hour * 60 * 60);
}
