添加1002.查找常用字符 Ruby实现

This commit is contained in:
han
2023-07-26 17:21:15 +08:00
parent 1340cc38d3
commit 3933b49cb3

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@ -518,6 +518,54 @@ impl Solution {
}
```
Ruby:
```ruby
def common_chars(words)
result = []
#统计所有字符串里字符出现的最小频率
hash = {}
#初始化标识
is_first = true
words.each do |word|
#记录共同字符
chars = []
word.split('').each do |chr|
#第一个字符串初始化
if is_first
chars << chr
else
#字母之前出现过的最小次数
if hash[chr] != nil && hash[chr] > 0
hash[chr] -= 1
chars << chr
end
end
end
is_first = false
#清除hash更新字符最小频率
hash.clear
chars.each do |chr|
if hash[chr] != nil
hash[chr] += 1
else
hash[chr] = 1
end
end
end
#字符最小频率hash转换为字符数组
hash.keys.each do |key|
for i in 0..hash[key] - 1
result << key
end
end
return result
end
```
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