static void Exo01_07()
{
int numbersToAdd = 0, add = 0, i;
HelpProgram.readInteger(ref numbersToAdd);
int[] tab = new int[numbersToAdd];
for (i = 0; i < tab.Length; i++)
{
tab[i] = i + 1;
}
foreach (var number in tab)
{
add += number;
}
Write("The addition of the first {0} integers equals {1}", numbersToAdd, add);
ReadKey();
}
static void Exo01_06()
{
int i = 0, big = 0;
int[] tab = new int[3];
foreach (var cell in tab)
{
WriteLine("Write a number: ");
HelpProgram.readInteger(ref tab[i]);
if (tab[i] > big)
{
big = tab[i];
}
i++;
}
WriteLine("The biggest number is {0}", big);
ReadKey();
}
static void Exo1_04()
{
int a, b, size, choice;
float c;
WriteLine("---------------------");
WriteLine(" AVAIBLE EXCERCISES ");
WriteLine("---------------------");
WriteLine("1. Static method with two arguments that returns the addition of the two values.");
WriteLine("2. Static method with three arguments, one of which is an 'out' integer, doesn't return anything.");
WriteLine("3. Static method that takes an array as arguments and returns the addition of the array's elements.");
WriteLine("4. Static method that takes an undetermined nunmber of integers as arguments and returns the addition of the arguments.");
WriteLine("\nWhich excercise do you want to execute?");
while (!int.TryParse(ReadLine(), out choice) || choice > 4 || choice < 0)
{
WriteLine("Wrong input. Please, enter a valid option.");
}
switch (choice)
{
case 1:
Write("\n\nEnter A: ");
while (!int.TryParse(ReadLine(), out a))
{
WriteLine("Wrong input. Please, enter an integer.");
}
Write("Enter B: ");
while (!int.TryParse(ReadLine(), out b))
{
WriteLine("Wrong input. Please, enter an integer.");
}
c = HelpProgram.Exo1_04_01(a, b);
Write("C = " + c);
ReadKey(true);
break;
case 2:
Write("\n\nEnter A: ");
while (!int.TryParse(ReadLine(), out a))
{
WriteLine("Wrong input. Please, enter an integer.");
}
Write("Enter B: ");
while (!int.TryParse(ReadLine(), out b))
{
WriteLine("Wrong input. Please, enter an integer.");
}
HelpProgram.Exo1_04_02(a, b, out c); //If we passed a reference to 'c', we would need to initialiaze 'c' at 0.
Write("C = " + c);
ReadKey(true);
break;
case 3:
WriteLine("\n\nEnter the size of the array. (it will contain random integers inside smaller than one thousand.)");
while (!int.TryParse(ReadLine(), out size))
{
WriteLine("Wrong input. Please, enter an integer.");
}
int[] tab = new int[size];
WriteLine();
Write("This is your array: ");
Random rand = new Random();
for (int i = 0; i < tab.Length; i++)
{
int num = rand.Next(1, 1001);
tab[i] = num;
Write("\n" + tab[i] + "\n");
}
WriteLine();
size = HelpProgram.Exo01_04_03(tab);
WriteLine("The addition of the elements in the array makes {0}.", size);
ReadKey();
break;
case 4:
int sum;
sum = HelpProgram.Exo01_04_04(5, 8, 9, 10, 20, 19);
Write(sum);
ReadKey();
break;
}
}