Backspace String Compare Given two strings s
and t
, return true
if they are equal when both are typed into empty text editors. '#'
means a backspace character.
Note that after backspacing an empty text, the text will continue empty.
Example 1:
Input: s = "ab#c", t = "ad#c" Output: true Explanation: Both s and t become "ac".
Example 2:
Input: s = "ab##", t = "c#d#" Output: true Explanation: Both s and t become "".
Example 3:
Input: s = "a#c", t = "b" Output: false Explanation: s becomes "c" while t becomes "b".
Constraints:
1 <= s.length, t.length <= 200
s
andt
only contain lowercase letters and'#'
characters.
Backspace String Compare Solutions
✅Time: O(n)
✅Space: O(n)
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