| 44 | string to_string() const { |
| 45 | stringstream ss; ss << *this; return ss.str(); } |
| 46 | bool operator <(const intx& b) const { |
| 47 | if (sign != b.sign) return sign < b.sign; |
| 48 | if (size() != b.size()) |
| 49 | return sign == 1 ? size() < b.size() : size() > b.size(); |
| 50 | for (int i = size() - 1; i >= 0; i--) |
| 51 | if (data[i] != b.data[i]) |
| 52 | return sign == 1 ? data[i] < b.data[i] |
| 53 | : data[i] > b.data[i]; |
| 54 | return false; } |
| 55 | intx operator -() const { |
| 56 | intx res(*this); res.sign *= -1; return res; } |
| 57 | friend intx abs(const intx &n) { return n < 0 ? -n : n; } |