Ruby Solution
IntuitionApproachComplexity
Time complexity:

Space complexity:
Code
# Intuition
<!-- Describe your first thoughts on how to solve this problem. -->

# Approach
<!-- Describe your approach to solving the problem. -->

# Complexity
- Time complexity:
<!-- Add your time complexity here, e.g. $$O(n)$$ -->

- Space complexity:
<!-- Add your space complexity here, e.g. $$O(n)$$ -->

# Code
```ruby []
# @param {String} num
# @return {Boolean}
def is_balanced(num)
    even = 0
    odd = 0
    num.chars.each_with_index do |v, i|
        i.even? ? even += v.to_i : odd += v.to_i 
    end
    even == odd
end
```
['Ruby']