# Use two stacks, iterate over the characters in the input strings pushing and popping as required then compare the # resulting stacks. # Time complexity: O(n) - We iterate over all elements in the ...
输入：S = "ab#c", T = "ad#c" 输出：true 解释：S 和 T 都会变成 “ac”。 来源：力扣（LeetCode） 链接：https://leetcode.cn/problems/backspace ...
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