static void Main(string[] args)
{
Console.WriteLine("====================TASK 1====================");
StudentClass studentClassA = new StudentClass {
ExcellentPupils = 10, GoodPupils = 14, MediocrePupils = 4
};
StudentClass studentClassB = new StudentClass {
ExcellentPupils = 8, GoodPupils = 12, MediocrePupils = 5
};
StudentClass studentClassC = new StudentClass {
ExcellentPupils = 12, GoodPupils = 7, MediocrePupils = 8
};
int excellectQty = studentClassB.ExcellentPupils + studentClassB.ExcellentPupils + studentClassC.ExcellentPupils;
int goodQty = studentClassB.GoodPupils + studentClassB.GoodPupils + studentClassC.GoodPupils;
int mediocreQty = studentClassB.MediocrePupils + studentClassB.MediocrePupils + studentClassC.MediocrePupils;
Console.WriteLine("==Pupils sorted by grades");
Console.WriteLine($"Excellent pupils: {excellectQty}");
Console.WriteLine($"Good pupils: {goodQty}");
Console.WriteLine($"Mediocre pupils: {mediocreQty}\n");
Program program = new Program();
Console.WriteLine("==Class A:");
program.PrintStudentClassSummary(studentClassA);
Console.WriteLine("==Class B:");
program.PrintStudentClassSummary(studentClassB);
Console.WriteLine("==Class C:");
program.PrintStudentClassSummary(studentClassC);
Console.WriteLine("\n==All Classes:");
program.PrintAllClassesSummary(excellectQty, goodQty, mediocreQty);
Console.WriteLine();
Console.WriteLine("====================TASK 2====================");
while (true)
{
Console.Write("Enter your number: ");
string numberStr = Console.ReadLine();
if (int.TryParse(numberStr, out int number))
{
Console.WriteLine($"Is number even: {program.IsNumberEven(number)}");
break;
}
}
Console.WriteLine();
Console.WriteLine("====================TASK 3====================");
bool flag;
int numA, numB, numC;
Console.WriteLine("Enter three numbers:");
Console.Write("1st(A): ");
do
{
flag = program.GetIntNumberFromInput(out numA);
} while(!flag);
Console.Write("2nd(B): ");
do
{
flag = program.GetIntNumberFromInput(out numB);
} while(!flag);
Console.Write("3rd(C): ");
do
{
flag = program.GetIntNumberFromInput(out numC);
} while(!flag);
int[] nums = new[] { numA, numB, numC };
Array.Sort(nums);
Console.WriteLine($"{nums[0]} <= {nums[1]} <= {nums[2]}");
Console.WriteLine();
Console.WriteLine("====================TASK 4====================");
int[] arr = { 1, 2, 3, 4, 1, 1, 4, 1, 5, 6, 6, 7, 4, 1, 2, 3, 5, 7, -12, 132, 415, 1 - 5, 1 - 5, 5, 15, 1, 5 - 1, 51, -16, 6 - 7, 415, 7, 415 };
arr = program.GetDistinctValues(arr);
foreach (var num in arr)
{
Console.WriteLine(num);
}
Console.WriteLine();
Console.WriteLine("====================TASK 5====================");
int[,] initialMatrix =
{
{ 1, 2, 3, 4, 5 },
{ 1, 2, 3, 4, 5 },
{ 1, 2, 3, 4, 5 },
{ 1, 2, 3, 4, 5 }
};
int[,] transposedMatrix = program.GetTransposedMatrix(initialMatrix);
for (int i = 0; i < transposedMatrix.GetLength(0); i++)
{
for (int j = 0; j < transposedMatrix.GetLength(1); j++)
{
Console.Write($"{transposedMatrix[i, j]} ");
}
Console.WriteLine();
}
Console.WriteLine();
Console.WriteLine("====================TASK 6====================");
double numDbl = -13214.5423643;
numDbl = program.RoundNumberToNDigits(numDbl, 4);
Console.WriteLine(numDbl);
Console.WriteLine();
Console.WriteLine("====================TASK 7====================");
try
{
Console.WriteLine($"Y1 = {program.EvaluateFormulaOne(-4.54)}");
}
catch (ArgumentException ex)
{
Console.WriteLine(ex.Message);
}
Console.WriteLine($"Y2 = {program.EvaluateFormulaTwo(41.51)}");
Console.WriteLine();
Console.WriteLine("====================TASK 8====================");
Console.WriteLine(program.GetFirstTokenFromString("я-нехочу-делать-дз", '-'));
Console.WriteLine();
Console.WriteLine("====================TASK 9====================");
int[] indices = program.GetPositionRangeOfStringInString("Lorem ipsum dolor sit amet", "amet");
Console.WriteLine($"{indices[0]}-{indices[1]}");
Console.WriteLine();
Console.WriteLine("====================EXTRA TASK====================");
Dictionary <int, int> valuesWithTwoOrMoreMatches = program.GetValuesWithMoreThanTwoMatchesWithLINQ(new [] { 1, 2, 3, 4, 1, 1, 4, 1, 5, 6, 6, 7, 4, 1, 2, 3, 5, 7, -12, 132, 415, 1 - 5, 1 - 5, 5, 15, 1, 5 - 1, 51, -16, 6 - 7, 415, 7, 415 });
foreach (var key in valuesWithTwoOrMoreMatches.Keys)
{
Console.WriteLine($"{key}: {valuesWithTwoOrMoreMatches[key]}");
}
}
// Task 1
void PrintStudentClassSummary(StudentClass studentClass)
{
Console.WriteLine($"Excellent pupils: {studentClass.GetPupilsPercentageByMarks(studentClass.ExcellentPupils)}%");
Console.WriteLine($"Good pupils: {studentClass.GetPupilsPercentageByMarks(studentClass.GoodPupils)}%");
Console.WriteLine($"Mediocre pupils: {studentClass.GetPupilsPercentageByMarks(studentClass.MediocrePupils)}%");
}
