Merge pull request #790 from youngqqcn/master

1002. 查找常用字符,   更新题目描述
This commit is contained in:
程序员Carl
2021-09-29 10:40:58 +08:00
committed by GitHub
2 changed files with 47 additions and 6 deletions

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@ -12,18 +12,24 @@
[力扣题目链接](https://leetcode-cn.com/problems/find-common-characters/)
定仅有小写字母组成的字符串数组 A返回列表中的每个字符串中都显示的全部字符(包括重复字符)组成的列表。例如,如果一个字符在每个字符串中出现 3 次,但不是 4 次,则需要在最终答案中包含该字符 3 次
你一个字符串数组 words ,请你找出所有在 words 的每个字符串中都出现的共用字符( 包括重复字符),并以数组形式返回。你可以按 任意顺序 返回答案
你可以按任意顺序返回答案。
示例 1
【示例一】
输入:["bella","label","roller"]
输入words = ["bella","label","roller"]
输出:["e","l","l"]
示例 2
【示例二】
输入:["cool","lock","cook"]
输入words = ["cool","lock","cook"]
输出:["c","o"]
提示:
1 <= words.length <= 100
1 <= words[i].length <= 100
words[i] 由小写英文字母组成
# 思路

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@ -109,6 +109,41 @@ class Solution:
return dp[-1][-1]
```
Golang:
```go
func maxUncrossedLines(A []int, B []int) int {
m, n := len(A), len(B)
dp := make([][]int, m+1)
for i := range dp {
dp[i] = make([]int, n+1)
}
for i := 1; i <= len(A); i++ {
for j := 1; j <= len(B); j++ {
if (A[i - 1] == B[j - 1]) {
dp[i][j] = dp[i - 1][j - 1] + 1
} else {
dp[i][j] = max(dp[i - 1][j], dp[i][j - 1])
}
}
}
return dp[m][n]
}
func max(a, b int) int {
if a > b {
return a
}
return b
}
```
JavaScript
```javascript