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How to relocate the zeros to the end of the list?

asked 2022-07-19 11:00:00 +0000

lalupa gravatar image

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answered 2021-09-15 00:00:00 +0000

qstack gravatar image

One possible way to relocate the zeros to the end of a list is as follows:

  1. Create an empty list to hold the non-zero elements of the original list.
  2. Traverse the original list element by element.
  3. If the current element is non-zero, append it to the empty list created in step 1.
  4. After completing the traversal, append the necessary number of zeros to the end of the non-zero list to match the length of the original list.
  5. Return the modified list.

Here is the Python code that implements the above algorithm:

def move_zeros_to_end(lst):
    non_zeros = []
    zeros_count = 0
    for el in lst:
        if el != 0:
            non_zeros.append(el)
        else:
            zeros_count += 1
    result = non_zeros + [0] * zeros_count
    return result

Example usage:

>>> move_zeros_to_end([1, 0, 3, 0, 0, 2, 8, 0])
[1, 3, 2, 8, 0, 0, 0, 0]

>>> move_zeros_to_end([0, 0, 0, 0, 0, 0])
[0, 0, 0, 0, 0, 0]

>>> move_zeros_to_end([1, 2, 3])
[1, 2, 3]
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Asked: 2022-07-19 11:00:00 +0000

Seen: 8 times

Last updated: Sep 15 '21