Web Reference: 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. 1. Stack Intuition The backspace character # removes the previous character, which is exactly what a stack does well. We can simulate typing each string by pushing regular characters onto a stack and popping when we see a #. After processing both strings this way, we just compare the resulting stacks. Algorithm In-depth solution and explanation for LeetCode 844. Backspace String Compare in Python, Java, C++ and more. Intuitions, example walk through, and complexity analysis. Better than official and forum solutions.
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