Our Highest Common Factor code in C#.
List Highest Common Factor Class File:
using System.Collections.Generic;
namespace Arithmetic_CS
{
class HCF
{
private int[] set_of_numbers;
private List<int> common_factors = new List<int>(); // factors common to our set_of_numbers
private int index; // index into array common_factors
private bool all_round_factor; // variable to keep state
private int calc_result; // helps calculate H.C.F.
public HCF(List<int> group)
{
set_of_numbers = new int[group.Count];
index = 0;
// STEP 1:
group.Sort();
//iterate through and retrieve members
foreach (int number in group)
{
set_of_numbers[index] = number;
index++;
}
index = 2;
all_round_factor = false;
calc_result = 1;
}
/**
* Our function checks 'set_of_numbers'; If it finds a factor common to
* all for it, it records this factor; then divides 'set_of_numbers' by the
* common factor found and makes this the new 'set_of_numbers'. It
* continues recursively until all common factors are found.
*/
private int findHCFFactors()
{
while (index <= set_of_numbers[0])
{
// Check for factors common to every member of 'set_of_numbers'
all_round_factor = true;
// STEP 2:
for (int j = 0; j < set_of_numbers.Length; j++)
{
if (!(all_round_factor == true && set_of_numbers[j] % index == 0))
{
all_round_factor = false;
}
}
// STEP 3:
// Divide every member of 'set_of_numbers by each common factor
if (all_round_factor == true)
{
for (int j = 0; j < set_of_numbers.Length; j++)
{
set_of_numbers[j] /= index;
}
common_factors.Add(index);
// STEP 4:
return findHCFFactors();
}
index++;
}
return 0;
}
/**
* Just calls out and collects the prepared factors.
* @return - string value
*/
public int getHCF()
{
findHCFFactors();
//iterate through and retrieve members
foreach (int factor in common_factors)
{
calc_result *= factor;
}
return calc_result;
}
}
}Main Class:
using System;
using System.Collections.Generic;
namespace Arithmetic_CS
{
class Program
{
static void Main(string[] args)
{
Console.WriteLine("Welcome to our demonstration sequels");
Console.WriteLine("Hope you enjoy (and follow) the lessons.");
Console.WriteLine("\r\n");
/*
* Find HCF.
*/
List<int> set = new List<int>();
set.Add(30);
set.Add(48);
set.Add(54);
HCF hcf = new HCF(set);
Console.WriteLine("The H.C.F. of " + String.Join(", ", set) + " is " + hcf.getHCF());
}
}
}Try it out!
Elegance (0.0)
