72 lines
1.8 KiB
Java
72 lines
1.8 KiB
Java
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//给你一个字符串 s ,仅反转字符串中的所有元音字母,并返回结果字符串。
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//
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// 元音字母包括 'a'、'e'、'i'、'o'、'u',且可能以大小写两种形式出现。
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//
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//
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//
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// 示例 1:
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//
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//
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//输入:s = "hello"
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//输出:"holle"
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//
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//
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// 示例 2:
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//
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//
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//输入:s = "leetcode"
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//输出:"leotcede"
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//
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//
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//
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// 提示:
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//
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//
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// 1 <= s.length <= 3 * 105
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// s 由 可打印的 ASCII 字符组成
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//
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// Related Topics 双指针 字符串
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// 👍 209 👎 0
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package leetcode.editor.cn;
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import java.util.ArrayList;
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import java.util.Arrays;
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import java.util.List;
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//345:反转字符串中的元音字母
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class ReverseVowelsOfAString {
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public static void main(String[] args) {
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//测试代码
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Solution solution = new ReverseVowelsOfAString().new Solution();
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}
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//力扣代码
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//leetcode submit region begin(Prohibit modification and deletion)
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class Solution {
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public String reverseVowels(String s) {
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List<Character> list = new ArrayList<>(Arrays.asList('a', 'e', 'i', 'o', 'u', 'A', 'E', 'I', 'O', 'U'));
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int start = 0;
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int end = s.length() - 1;
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char[] chs = s.toCharArray();
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while (start < end) {
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if (list.contains(chs[start]) && list.contains(chs[end])) {
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char ch = chs[start];
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chs[start] = chs[end];
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chs[end] = ch;
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start++;
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end--;
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}
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if(!list.contains(chs[start])){
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start++;
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}
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if(!list.contains(chs[end])){
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end--;
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}
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}
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return new String(chs);
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}
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}
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//leetcode submit region end(Prohibit modification and deletion)
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}
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