public void Test1()
{
var test = new SpreadSheetEncoding();
var ans = test.MaxSum(new int[] { 100, 11, 12 });
Assert.Equal(100, ans);
}
public void Test2()
{
var test = new SpreadSheetEncoding();
var ans = test.StringToInt("-312");
Assert.Equal(-312, ans);
ans = test.StringToInt("3121");
Assert.Equal(3121, ans);
}