Question: algorithm 2. (30 points) Given two strings X and Y, the edit distance between X and Y, D(X, Y), is the minimal number of operations

algorithm

algorithm 2. (30 points) Given two strings X and Y, the edit

2. (30 points) Given two strings X and Y, the edit distance between X and Y, D(X, Y), is the minimal number of operations performed on X so that X becomes Y. The allowed operations are: delete a letter, add a letter, or change a letter. For example, D("hur "carry")-2, because "hu" can be changed to "ca" by two operations. Please design an efficient algorithm to compute D(X, Y) and analyze its complexity

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