one codition one loop code
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
```python3 []
class Solution:
    def distinctDifferenceArray(self, nums: List[int]) -> List[int]:
        l = []
        for i in range(len(nums)):
            l.append(len(set(nums[:i+1]))-len(set(nums[i+1:])))
        return l

```
['Python3']