Given two words word1 and word2, find the minimum number of steps required to convert word1 to word2. (each operation is counted as 1 step.)
You have the following 3 operations permitted on a word:
a) Insert a character
b) Delete a character
c) Replace a character

本文介绍了一种高效的算法,用于计算将一个字符串转换为另一个字符串所需的最少操作次数,包括插入、删除和替换字符等操作。该算法的空间复杂度被优化至仅使用两个字符串中最短长度的空间。
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