{ "data": { "question": { "questionId": "1238", "questionFrontendId": "1138", "categoryTitle": "Algorithms", "boundTopicId": 16761, "title": "Alphabet Board Path", "titleSlug": "alphabet-board-path", "content": "

On an alphabet board, we start at position (0, 0), corresponding to character board[0][0].

\r\n\r\n

Here, board = ["abcde", "fghij", "klmno", "pqrst", "uvwxy", "z"], as shown in the diagram below.

\r\n\r\n

\"\"

\r\n\r\n

We may make the following moves:

\r\n\r\n\r\n\r\n

(Here, the only positions that exist on the board are positions with letters on them.)

\r\n\r\n

Return a sequence of moves that makes our answer equal to target in the minimum number of moves.  You may return any path that does so.

\r\n\r\n

 

\r\n

Example 1:

\r\n
Input: target = \"leet\"\r\nOutput: \"DDR!UURRR!!DDD!\"\r\n

Example 2:

\r\n
Input: target = \"code\"\r\nOutput: \"RR!DDRR!UUL!R!\"\r\n
\r\n

 

\r\n

Constraints:

\r\n\r\n", "translatedTitle": "字母板上的路径", "translatedContent": "

我们从一块字母板上的位置 (0, 0) 出发，该坐标对应的字符为 board[0][0]。

\n\n

在本题里，字母板为board = [\"abcde\", \"fghij\", \"klmno\", \"pqrst\", \"uvwxy\", \"z\"]，如下所示。

\n\n

\"\"

\n\n

我们可以按下面的指令规则行动：

\n\n\n\n

（注意，字母板上只存在有字母的位置。）

\n\n

返回指令序列，用最小的行动次数让答案和目标 target 相同。你可以返回任何达成目标的路径。

\n\n

 

\n\n

示例 1：

\n\n
\n输入：target = \"leet\"\n输出：\"DDR!UURRR!!DDD!\"\n
\n\n

示例 2：

\n\n
\n输入：target = \"code\"\n输出：\"RR!DDRR!UUL!R!\"\n
\n\n

 

\n\n

提示：

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