Delete Operation for Two Strings
Given two strings word1 and word2, return the minimum number of steps required to make word1 and word2 the same.
In one step, you can delete exactly one character in either string.
Example 1
Input
word1 = "sea", word2 = "eat"Output
2You need one step to make "sea" to "ea" and another step to make "eat" to "ea".
Example 2
Input
word1 = "leetcode", word2 = "etco"Output
4Deleting four characters is the minimum needed to make both strings the same.
Constraints
- 1 <= word1.length, word2.length <= 500
- word1 and word2 consist of only lowercase English letters.