Esempio n. 1
0
        public static void TestBigInteger()
        {
            BigInteger first = new BigInteger("100000000000000000000000000000003453453453");
            BigInteger secod = new BigInteger("100000000000000000000000000000003453453453");
            BigInteger jami = BigInteger.Add(first, secod);

            Console.WriteLine(jami.StringValue);
        }
Esempio n. 2
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        public static BigInteger Add(BigInteger first, BigInteger second)
        {
            // first  = 2000;
            // second = 0010;

            if (first.Sign != -1 && second.Sign != -1)
            {
                string s = "";
                int reminder = 0;
                for (int i = first.StringValue.Length - 1; i >= 0; i--)
                {
                    int a = int.Parse("" + first.StringValue[i]);
                    int b = int.Parse("" + second.StringValue[i]);
                    int res = (a + b + reminder)%10;
                    reminder = (a + b + reminder) / 10;
                    s = s.Insert(0, res.ToString());
                }
                if( reminder > 0)
                    s = s.Insert(0, reminder.ToString());
                return new BigInteger(s);
            }

            return null;
        }
Esempio n. 3
0
 public static BigInteger Subtract(BigInteger first, BigInteger second)
 {
     return null;
 }