Brute force
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
```java []
class Solution {
    public int[] separateDigits(int[] nums) {
        String str = "";
        for(int num : nums) str += num;
        int[] answer = new int[str.length()];
        for(int i = 0 ; i < str.length(); i++){
            char ch = str.charAt(i);
            int n = ch - '0';
            answer[i] = n;
        }

        return answer;
    }
}
```
['Java']