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+package dp;%0A%0A/**%0A * https://oj.leetcode.com/problems/edit-distance/%0A * Given two words word1 and word2,%0A * find the minimum number of steps required to convert word1 to word2. (each operation is counted as 1 step.)%0A * You have the following 3 operations permitted on a word:%0A * a) Insert a character%0A * b) Delete a character%0A * c) Replace a character%0A */%0Apublic class EditDistance %7B%0A    public int minDistance(String word1, String word2) %7B%0A%0A    %7D%0A%7D%0A

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