Leetcode Note: Go - Reverse Vowels of a String
Reverse Vowels of a String - LeetCode
https://leetcode.com/problems/reverse-vowels-of-a-string/
- Go 言語で取り組んだメモ
所感
- vowles (母音) を反転させる
- a, i, u, e, o
回答
A golang solution - LeetCode Discuss
https://leetcode.com/problems/reverse-vowels-of-a-string/discuss/81415/A-golang-solution
func reverseVowels(s string) string {
r := []byte(s)
var index []int
// index で母音を管理
for i, v := range s {
if v == 'a' || v == 'e' || v == 'i' || v == 'o' || v== 'u' ||
v == 'A' || v == 'E' || v == 'I' || v == 'O' || v == 'U' {
index = append(index, i)
}
}
// 母音が 2 つ以上あれば反転を行う
if len(index) >= 2 {
i := 0
j := len(index) - 1
for i < j {
r[index[i]], r[index[j]] = r[index[j]], r[index[i]]
i++
j--
}
}
return string(r)
}