Coding Practice

Notion Pages

• Python Programming

  • Educative.io: Python for Programmers | Ace The Python Coding Interview

• Problem Solving

  • LeetCode | Blind 75 | NeetCode 150

📍 List solved problems

Command: python3 main.py -list

📍 Execution Mode

Command: python3 main.py -prob [PROB_ID: 0001, 0002, 0003, ...]

📍 Interactive Mode

>>> from Array import Array
>>> import inspect
>>> code = inspect.getsource(Array.search("0027"))
>>> print(code)
    @classmethod
    def _0027_remove_element(self, nums: list[int], val: int) -> int:
        """  Easy  |  Two Pointer  """
        # Time:  O(n)
        # Space: O(1)

        l, r = 0, len(nums)-1
        while r >= 0 and nums[r] == val: r -= 1             # skip duplicate

        while l <= r:
            if nums[l] == val:
                nums[l], nums[r] = nums[r], nums[l]
                r -= 1
                while r >= 0 and nums[r] == val: r -= 1     # skip duplicate
            else:
                l += 1
        return l

>>> from Test import Test
>>> Test.run("0027", nums=[3,2,2,3], val=3)
[2, 2, 3, 3]
>>> Test.run("0088", nums1=[1,2,3,0,0,0], m=3, nums2=[2,5,6], n=3)
[1, 2, 2, 3, 5, 6]