public MyInt subTrack(MyInt b) { byte[] res = new byte[b.ToString().Length + 1]; byte[] bb = b.ToArr(); for (int i = b.ToString().Length - 1; i >= 0; i--) { this.ToArr()[i] = Convert.ToByte(this.ToArr()[i] - bb[i]); } return(this); }
public MyInt add(MyInt b) { byte[] bb = b.ToArr(); int size = this.ToArr().Count(); if (bb.Count() > num.Count()) { byte[] temp = bb; bb = num; num = temp; } size = num.Count(); //MyInt res=new MyInt(); int redix = 10; int mem = 0; int dif = Math.Abs(bb.Count() - num.Count()); for (int i = b.ToString().Length - 1; i >= 0; i--) { num[i] = Convert.ToByte(num[i] + bb[i] + mem); mem = 0; if (num[i] >= redix) { num[i] %= 10; mem = 1; } } return(this); }