Note :This post is first published on Apr-2013 in my previous blog Techkindle. Moving the content here.
Below code, without using BigInteger structure.
using System; | |
namespace BigNumberAddition | |
{ | |
class Addition | |
{ | |
static void Main(string[] args) | |
{ | |
int[] firstNumber = new int[50] { | |
1, 2, 3, 4, 5, 6, 7, 8, 9, | |
1, 2, 3, 4, 5, 6, 7, 8, 9, | |
1, 2, 3, 4, 5, 6, 7, 8, 9, | |
1, 2, 3, 4, 5, 6, 7, 8, 9, | |
1, 2, 3, 4, 5, 6, 7, 8, 9, | |
1, 2, 3, 4, 5 | |
}; | |
int[] secondNumber = new int[50] { | |
1, 2, 3, 4, 5, 6, 7, 8, 9, | |
1, 2, 3, 4, 5, 6, 7, 8, 9, | |
1, 2, 3, 4, 5, 6, 7, 8, 9, | |
1, 2, 3, 4, 5, 6, 7, 8, 9, | |
1, 2, 3, 4, 5, 6, 7, 8, 9, | |
1, 2, 3, 4, 5 | |
}; | |
int[] resultNumber = new int[50]; | |
int temp = 0; | |
for (int i = firstNumber.Length – 1; i >= 0; i–) | |
{ | |
resultNumber[i] = firstNumber[i] + secondNumber[i] + temp; | |
if (resultNumber[i] > 9 && i != 0) | |
{ | |
temp = Convert.ToInt32(resultNumber[i].ToString().Substring(0, resultNumber[i].ToString().Length – 1)); | |
resultNumber[i] = Convert.ToInt32(resultNumber[i].ToString().Remove(0, resultNumber[i].ToString().Length – 1)); | |
} | |
else | |
temp = 0; | |
} | |
Console.WriteLine("First " + firstNumber.Length + " digits number: "); | |
foreach (int i in firstNumber) | |
Console.Write(i); | |
Console.WriteLine("\n\nSecond " + secondNumber.Length + " digits number: "); | |
foreach (int i in secondNumber) | |
Console.Write(i); | |
Console.WriteLine("\n\nResultant number after addition: "); | |
foreach (int i in resultNumber) | |
Console.Write(i); | |
Console.ReadKey(); | |
} | |
} | |
} |
Output
Happy Learning 🙂