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6UEx57.json
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{
"data": {
"question": {
"questionId": "1000439",
"questionFrontendId": "LCP 56",
"categoryTitle": "Algorithms",
"boundTopicId": 1443277,
"title": "信物传送",
"titleSlug": "6UEx57",
"content": "",
"translatedTitle": "信物传送",
"translatedContent": "欢迎各位勇者来到力扣城，本次试炼主题为「信物传送」。\n\n本次试炼场地设有若干传送带，`matrix[i][j]` 表示第 `i` 行 `j` 列的传送带运作方向，`\"^\",\"v\",\"<\",\">\"` 这四种符号分别表示 **上、下、左、右** 四个方向。信物会随传送带的方向移动。勇者**每一次**施法操作，可**临时**变更一处传送带的方向，在物品经过后传送带恢复原方向。\n.gif){:width=300px}\n\n通关信物初始位于坐标 `start`处，勇者需要将其移动到坐标 `end` 处，请返回勇者施法操作的最少次数。\n\n\n\n**注意：**\n- `start` 和 `end` 的格式均为 `[i,j]`\n\n**示例 1:**\n> 输入：`matrix = [\">>v\",\"v^<\",\"<><\"], start = [0,1], end = [2,0]`\n>\n> 输出：`1`\n>\n> 解释：\n> 如上图所示\n> 当信物移动到 `[1,1]` 时，勇者施法一次将 `[1,1]` 的传送方向 `^` 从变更为 `<`\n> 从而信物移动到 `[1,0]`，后续到达 `end` 位置\n> 因此勇者最少需要施法操作 1 次\n\n**示例 2:**\n> 输入：`matrix = [\">>v\",\">>v\",\"^<<\"], start = [0,0], end = [1,1]`\n>\n> 输出：`0`\n>\n> 解释：勇者无需施法，信物将自动传送至 `end` 位置\n\n**示例 3:**\n> 输入：`matrix = [\">^^>\",\"<^v>\",\"^v^<\"], start = [0,0], end = [1,3]`\n>\n> 输出：`3`\n\n**提示：**\n- `matrix` 中仅包含 `'^'、'v'、'<'、'>'`\n- `0 < matrix.length <= 100`\n- `0 < matrix[i].length <= 100`\n- `0 <= start[0],end[0] < matrix.length`\n- `0 <= start[1],end[1] < matrix[i].length`\n\n",
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"username": "LeetCode",
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{
"lang": "C++",
"langSlug": "cpp",
"code": "class Solution {\npublic:\n int conveyorBelt(vector<string>& matrix, vector<int>& start, vector<int>& end) {\n\n }\n};",
"__typename": "CodeSnippetNode"
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{
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"code": "class Solution {\n public int conveyorBelt(String[] matrix, int[] start, int[] end) {\n\n }\n}",
"__typename": "CodeSnippetNode"
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{
"lang": "Python",
"langSlug": "python",
"code": "class Solution(object):\n def conveyorBelt(self, matrix, start, end):\n \"\"\"\n :type matrix: List[str]\n :type start: List[int]\n :type end: List[int]\n :rtype: int\n \"\"\"",
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"code": "class Solution:\n def conveyorBelt(self, matrix: List[str], start: List[int], end: List[int]) -> int:",
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{
"lang": "C#",
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"code": "public class Solution {\n public int ConveyorBelt(string[] matrix, int[] start, int[] end) {\n\n }\n}",
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"lang": "JavaScript",
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"code": "/**\n * @param {string[]} matrix\n * @param {number[]} start\n * @param {number[]} end\n * @return {number}\n */\nvar conveyorBelt = function(matrix, start, end) {\n\n};",
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"code": "# @param {String[]} matrix\n# @param {Integer[]} start\n# @param {Integer[]} end\n# @return {Integer}\ndef conveyor_belt(matrix, start, end)\n\nend",
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{
"lang": "Swift",
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"code": "class Solution {\n func conveyorBelt(_ matrix: [String], _ start: [Int], _ end: [Int]) -> Int {\n\n }\n}",
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"code": "object Solution {\n def conveyorBelt(matrix: Array[String], start: Array[Int], end: Array[Int]): Int = {\n\n }\n}",
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{
"lang": "Kotlin",
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"code": "class Solution {\n fun conveyorBelt(matrix: Array<String>, start: IntArray, end: IntArray): Int {\n\n }\n}",
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"lang": "Rust",
"langSlug": "rust",
"code": "impl Solution {\n pub fn conveyor_belt(matrix: Vec<String>, start: Vec<i32>, end: Vec<i32>) -> i32 {\n\n }\n}",
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{
"lang": "PHP",
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"code": "class Solution {\n\n /**\n * @param String[] $matrix\n * @param Integer[] $start\n * @param Integer[] $end\n * @return Integer\n */\n function conveyorBelt($matrix, $start, $end) {\n\n }\n}",
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"code": "(define/contract (conveyor-belt matrix start end)\n (-> (listof string?) (listof exact-integer?) (listof exact-integer?) exact-integer?)\n\n )",
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"lang": "Erlang",
"langSlug": "erlang",
"code": "-spec conveyor_belt(Matrix :: [unicode:unicode_binary()], Start :: [integer()], End :: [integer()]) -> integer().\nconveyor_belt(Matrix, Start, End) ->\n .",
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},
{
"lang": "Elixir",
"langSlug": "elixir",
"code": "defmodule Solution do\n @spec conveyor_belt(matrix :: [String.t], start :: [integer], end :: [integer]) :: integer\n def conveyor_belt(matrix, start, end) do\n\n end\nend",
"__typename": "CodeSnippetNode"
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"stats": "{\"totalAccepted\": \"1.2K\", \"totalSubmission\": \"3.7K\", \"totalAcceptedRaw\": 1154, \"totalSubmissionRaw\": 3716, \"acRate\": \"31.1%\"}",
"hints": [],
"solution": null,
"status": null,
"sampleTestCase": "[\">>v\",\"v^<\",\"<><\"]\n[0,1]\n[2,0]",
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