package
Version:
v0.0.0-...-b071cee
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Published: Aug 9, 2023
License: GPL-3.0
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README
¶
72.编辑距离
1. 题目描述
给你两个单词 word1
和 word2
, 请返回将 word1
转换成 word2
所使用的最少操作数 。
你可以对一个单词进行如下三种操作:
示例 1:
输入:word1 = "horse", word2 = "ros"
输出:3
解释:
horse -> rorse (将 'h' 替换为 'r')
rorse -> rose (删除 'r')
rose -> ros (删除 'e')
示例 2:
输入:word1 = "intention", word2 = "execution"
输出:5
解释:
intention -> inention (删除 't')
inention -> enention (将 'i' 替换为 'e')
enention -> exention (将 'n' 替换为 'x')
exention -> exection (将 'n' 替换为 'c')
exection -> execution (插入 'u')
提示:
0 <= word1.length, word2.length <= 500
word1
和 word2
由小写英文字母组成
标签
字符串
动态规划
2. 解题
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