public void Add( BigInt value )
{
int aCount = _digits.Count;
int bCount = value._digits.Count;
int carry = 0;
for ( int i = 0; i < System.Math.Max( aCount, bCount ); i++ )
{
int a = 0;
int b = 0;
if ( aCount > i )
a = _digits[i];
if ( bCount > i )
b = value._digits[i];
int sum = a + b + carry;
int d;
carry = System.Math.DivRem(sum, 10, out d);
if ( aCount > i )
_digits[i] = d;
else
_digits.Add(d);
}
if ( carry > 0 )
_digits.Add(carry);
}
public void TestDefaultConstructor()
{
BigInt bi = new BigInt();
Assert.AreEqual( "0", bi.ToString() );
}
public void TestConstructor( string value, string expected )
{
BigInt bi = new BigInt( value );
Assert.AreEqual( expected, bi.ToString() );
}
public void TestAdd( string a, string b, string expected )
{
BigInt bi = new BigInt( a );
bi.Add( b );
Assert.AreEqual( expected, bi.ToString() );
}
public void Add( string value )
{
BigInt i = new BigInt( value );
Add(i);
}
public long Solve()
{
try
{
BigInt sum = new BigInt();
foreach ( string number in _numbers )
{
sum.Add(number);
}
string value = sum.ToString();
value = value.Substring( 0, 10 );
return long.Parse( value );
}
catch ( Exception e )
{
Console.WriteLine( e );
}
return 0;
}
