How should I practice Edit Distance?

Start by reading the full statement, solve the visible examples, then compare the pattern against related Amazon onsite interview problems in FastPrep.

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Edit Distance

Amazon● MediumNEW GRADONSITE INTERVIEW

Problem statement

Given two strings word1 and word2, return the minimum number of single-character operations needed to transform word1 into word2.

The problem statement continues

Pro

Examples

Example 1

word1 = "horse"word2 = "ros"return = 3

Replace h with r, delete the second r, and delete e.

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