private static List <ArithmeticExpression> ReadFile(string filePath)
{
List <ArithmeticExpression> result = new List <ArithmeticExpression>();
string[] lines = File.ReadAllLines(filePath);
foreach (string line in lines)
{
result.Add(ArithmeticExpression.StringToArithmeticExpression(line));
}
return(result);
}
static void Main(string[] args)
{
#region 1. feladat
arithmeticExpressions = ReadFile(FILE_IN);
#endregion
#region 2. feladat
var totalNumberOfExpressions = arithmeticExpressions.Count();
Console.WriteLine($"2. feladat: Kifejezések száma: {totalNumberOfExpressions}");
#endregion
#region 3. feladat
var numberOfExpressionsWithMod = arithmeticExpressions
.Select(x => x)
.Where(x => x.Operaator.Equals("mod"))
.Count();
Console.WriteLine($"3. feladat: Kifejezések maradékos osztással: {numberOfExpressionsWithMod}");
#endregion
#region 4. feladat
var bothDividableByTenExists = arithmeticExpressions
.Select(x => x)
.Where(x => (x.FirstOperand % 10 == 0) && (x.SecondOperand % 10 == 0))
.Any();
string bothDividableByTenExistsString = bothDividableByTenExists ? "Van" : "Nincs";
Console.WriteLine($"4. feladat: {bothDividableByTenExistsString} ilyen kifejezés!");
#endregion
#region 5. feladat
var groupByOperaator = arithmeticExpressions
.Select(x => x)
.Where(x => x.OperaatorIsValid())
.GroupBy(x => x.Operaator)
.ToList();
Console.WriteLine("5. feladat: Statisztika");
foreach (string operaator in groupByOperaator.Select(x => x.Key))
{
var counter = arithmeticExpressions
.Select(y => y)
.Where(y => y.Operaator.Equals(operaator))
.Count();
Console.WriteLine($"\t{operaator} -> {counter} db");
}
#endregion
#region 7. feladat
string userInput = "";
while (true)
{
Console.Write("7. feladat: Kérek egy kifejezést (pl.: 1 + 1): ");
userInput = Console.ReadLine();
if (userInput.Equals("vége"))
{
break;
}
if (ArithmeticExpression.StringToArithmeticExpression(userInput) == null)
{
break;
}
string expressionResult = ArithmeticExpression.StringToArithmeticExpression(userInput).Result();
Console.WriteLine($"\t{userInput} = {expressionResult}");
}
#endregion
#region 8. feladat
Console.WriteLine($"8. feladat: {FILE_OUT}");
WriteFile(FILE_OUT);
#endregion
Console.ReadKey();
}