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Problem
Submissions
Problem: Edit Distance
med
30 min
Understand how to find the minimum number of insertions, deletions, and replacements required to convert one string into another. Learn to apply dynamic programming principles to efficiently solve the edit distance problem in coding interviews.
Statement
Given two strings word1 and word2, return the minimum number of operations needed to transform word1 into word2.
The following three operations are allowed on any character of a word:
Insert a character
Delete a character
Replace a character
Constraints:
word1.length,word2.lengthword1andword2consist of lowercase English letters
Examples
Understand the problem
Figure it out!
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Tap here to switch tabs
Problem
Submissions
Problem: Edit Distance
med
30 min
Understand how to find the minimum number of insertions, deletions, and replacements required to convert one string into another. Learn to apply dynamic programming principles to efficiently solve the edit distance problem in coding interviews.
Statement
Given two strings word1 and word2, return the minimum number of operations needed to transform word1 into word2.
The following three operations are allowed on any character of a word:
Insert a character
Delete a character
Replace a character
Constraints:
word1.length,word2.lengthword1andword2consist of lowercase English letters
Examples
Understand the problem
Figure it out!
Try it yourself
Unlock AI-Powered LearningUpgrade to smarter learning with instant explanations of Ask Agent, Personalized Interview Prep, Real-World Projects, 3 AI Mock Interviews per month, and Personalized Paths