85 minutes C/C++ only.

Minimum length of (-2) base integers.

Given an integer, it can be represented using (-2) base.

Example:

original | (-2) base

-2 | 10

4 | 100

-8 | 1000

Write a function that returns the (-2) base integer and the length of it must be the smallest of all possible representations.

`vector<int> convert(int integer)`

挂了