"example_text": "Input: s = \"ab#c\", t = \"ad#c\"\nOutput: true\nExplanation: Both s and t become \"ac\".", "cpp": "class Solution {\npublic:\n bool backspaceCompare ...

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 ...