leetcode: 2022-04-21 LeetCode824.java

niumoo · niumoo · commit 2aeb98aa0840 · 2022-04-21T14:02:01.000+08:00
diff --git a/leetcode/README.md b/leetcode/README.md
@@ -1,11 +1,11 @@
 ## LeetCode
 
-| 日期         | 题目                                                         | 解题                                                         |
-|------------| ------------------------------------------------------------ | ------------------------------------------------------------ |
-| 2022-04-24 |                                                              |                                                              |
-| 2022-04-23 |                                                              |                                                              |
-| 2022-04-22 |                                                              |                                                              |
-| 2022-04-21 |                                                              |                                                              |
+| 日期         | 题目                                                                                      | 解题                                                                                                                              |
+|------------|-----------------------------------------------------------------------------------------|---------------------------------------------------------------------------------------------------------------------------------|
+| 2022-04-24 |                                                                                         |                                                                                                                                 |
+| 2022-04-23 |                                                                                         |                                                                                                                                 |
+| 2022-04-22 |                                                                                         |                                                                                                                                 |
+| 2022-04-21 | [LeetCode 824. 山羊拉丁文](https://leetcode-cn.com/problems/goat-latin/) | [LeetCode824.java](https://github.com/niumoo/JavaNotes/blob/master/leetcode/src/main/java/com/wdbyte/leetcode/LeetCode824.java) |
 | 2022-04-20 | [LeetCode 388. 文件的最长绝对路径](https://leetcode-cn.com/problems/longest-absolute-file-path/) | [LeetCode388.java](https://github.com/niumoo/JavaNotes/blob/master/leetcode/src/main/java/com/wdbyte/leetcode/LeetCode388.java) |
 
 
diff --git a/leetcode/src/main/java/com/wdbyte/leetcode/LeetCode824.java b/leetcode/src/main/java/com/wdbyte/leetcode/LeetCode824.java
@@ -0,0 +1,57 @@
+package com.wdbyte.leetcode;
+
+/**
+ * https://leetcode-cn.com/problems/goat-latin/
+ * 824. 山羊拉丁文
+ *
+ * @author niulang
+ * @date 2022/04/21
+ */
+public class LeetCode824 {
+
+    public static void main(String[] args) {
+        //String goatLatin = new LeetCode824().toGoatLatin("I speak Goat Latin");
+        String goatLatin = new LeetCode824().toGoatLatin("The quick brown fox jumped over the lazy dog");
+        //String goatLatin = new LeetCode824().toGoatLatin("goat");
+        System.out.println(goatLatin);
+    }
+
+    /**
+     * 如果单词以元音开头（'a', 'e', 'i', 'o', 'u'），在单词后添加"ma"。
+     * 例如，单词 "apple" 变为 "applema" 。
+     * 如果单词以辅音字母开头（即，非元音字母），移除第一个字符并将它放到末尾，之后再添加"ma"。
+     * 例如，单词 "goat" 变为 "oatgma" 。
+     * 根据单词在句子中的索引，在单词最后添加与索引相同数量的字母'a'，索引从 1 开始。
+     * 例如，在第一个单词后添加 "a" ，在第二个单词后添加 "aa" ，以此类推。
+     *
+     * @param sentence
+     * @return
+     */
+    public String toGoatLatin(String sentence) {
+        String[] array = sentence.split(" ");
+        StringBuilder builder = new StringBuilder();
+        for (int i = 0; i < array.length; i++) {
+            String word = array[i];
+            if (builder.length() != 0) {
+                builder.append(" ");
+            }
+            // 元音开头
+            char[] chars = word.toCharArray();
+            if (chars[0] == 'A' || chars[0] == 'E' || chars[0] == 'I' || chars[0] == 'O' || chars[0] == 'U' ||
+                chars[0] == 'a' || chars[0] == 'e' || chars[0] == 'i' || chars[0] == 'o' || chars[0] == 'u') {
+                builder.append(word).append("ma");
+            } else {
+                // 辅音开头
+                for (int j = 0; j < chars.length; j++) {
+                    if (j == 0) {continue;}
+                    builder.append(chars[j]);
+                }
+                builder.append(chars[0]).append("ma");
+            }
+            for (int j = 0; j <= i; j++) {
+                builder.append("a");
+            }
+        }
+        return builder.toString();
+    }
+}
