2025-09-22 17:10

Status: adult

Tags: leetcode leetcode-easy google strings arrays Removing Stars From a String Leetcode

Clear Digits

Code

class Solution(object):
    def clearDigits(self, s):
        """
        :type s: str
        :rtype: str
        """
 
 
        stack = []
 
        for char in s:
            if not char.isdigit():
                stack.append(char)
            else:
                stack.pop()
        
        return "".join(stack)

Explanation

1. Just like

   Removing Stars From a String

   2024-12-20 17:34

   Status: child leetcode leetcode-medium

   Tags: stack arrays Leetcode

   Removing Stars From a String

   Code

   class Solution(object):
       def removeStars(self, s):
           """
           :type s: str
           :rtype: str
           """
    
           stack = []
    
           for letter in s:
               if letter != "*":
                   stack.append(letter)
               else:
                   stack.pop(-1)
           return "".join(stack)
           
       # Time Complexity: O(n)
       # Space Complexitty: O(n)

   Explanation

   • way to simple don’t even need to explain

   References

   Link to original

   except it’s digits instead of stars.

References

Me