/// <summary>
/// Adds two positive numbers.
/// </summary>
/// <param name="a"></param>
/// <param name="b"></param>
public void AddPositiveNumbers(string a, string b)
{
string result = Add(a, b);
result = new StringManipulation().ReverseString(result);
Console.WriteLine(result);
}
/// <summary>
/// Adds two numbers.
/// </summary>
/// <param name="a"></param>
/// <param name="b"></param>
/// <returns></returns>
static string Add(string a, string b)
{
int i = 0, j = 0, carry = 0, sum = 0;
string result = null;
object temperory = (a.Length < b.Length) ? (a = a.PadRight(b.Length, '0')) : (b = b.PadRight(a.Length, '0'));
StringManipulation manipulationObj = new StringManipulation();
int[] numbersA = manipulationObj.SplitNumbers(a);
int[] numbersB = manipulationObj.SplitNumbers(b);
while (i < numbersA.Length || j < numbersB.Length)
{
if (carry != 0)
{
sum = numbersA[i] + numbersB[j] + carry;
if (sum > 9 && sum != 10)
{
carry = (sum) / 10;
sum = (sum) % 10;
}
else if (sum == 10)
{
carry = 1;
sum = 0;
}
}
else if (carry == 0)
{
sum = numbersA[i] + numbersB[j];
if (sum > 9 && sum != 10)
{
carry = (sum) / 10;
sum = (sum) % 10;
}
else if (sum == 10)
{
carry = 1;
sum = 0;
}
}
result += sum;
i++;
j++;
}
;
if (carry != 0)
{
result += carry;
}
return(result);
}