{ "data": { "question": { "questionId": "1000220", "questionFrontendId": "LCP 35", "categoryTitle": "Algorithms", "boundTopicId": 713325, "title": "电动车游城市", "titleSlug": "DFPeFJ", "content": "English description is not available for the problem. Please switch to Chinese.", "translatedTitle": "电动车游城市", "translatedContent": "小明的电动车电量充满时可行驶距离为 `cnt`,每行驶 1 单位距离消耗 1 单位电量,且花费 1 单位时间。小明想选择电动车作为代步工具。地图上共有 N 个景点,景点编号为 0 ~ N-1。他将地图信息以 `[城市 A 编号,城市 B 编号,两城市间距离]` 格式整理在在二维数组 `paths`,表示城市 A、B 间存在双向通路。初始状态,电动车电量为 0。每个城市都设有充电桩,`charge[i]` 表示第 i 个城市每充 1 单位电量需要花费的单位时间。请返回小明最少需要花费多少单位时间从起点城市 `start` 抵达终点城市 `end`。\n\n\n**示例 1:**\n>输入:`paths = [[1,3,3],[3,2,1],[2,1,3],[0,1,4],[3,0,5]], cnt = 6, start = 1, end = 0, charge = [2,10,4,1]`\n>\n>输出:`43`\n>\n>解释:最佳路线为:1->3->0。\n>在城市 1 仅充 3 单位电至城市 3,然后在城市 3 充 5 单位电,行驶至城市 5。\n>充电用时共 3\\*10 + 5\\*1= 35\n>行驶用时 3 + 5 = 8,此时总用时最短 43。\n![image.png](https://pic.leetcode-cn.com/1616125304-mzVxIV-image.png)\n\n\n\n\n**示例 2:**\n>输入:`paths = [[0,4,2],[4,3,5],[3,0,5],[0,1,5],[3,2,4],[1,2,8]], cnt = 8, start = 0, end = 2, charge = [4,1,1,3,2]`\n>\n>输出:`38`\n>\n>解释:最佳路线为:0->4->3->2。\n>城市 0 充电 2 单位,行驶至城市 4 充电 8 单位,行驶至城市 3 充电 1 单位,最终行驶至城市 2。\n>充电用时 4\\*2+2\\*8+3\\*1 = 27\n>行驶用时 2+5+4 = 11,总用时最短 38。\n\n**提示:**\n- `1 <= paths.length <= 200`\n- `paths[i].length == 3`\n- `2 <= charge.length == n <= 100`\n- `0 <= path[i][0],path[i][1],start,end < n`\n- `1 <= cnt <= 100`\n- `1 <= path[i][2] <= cnt`\n- `1 <= charge[i] <= 100`\n- 题目保证所有城市相互可以到达", "isPaidOnly": false, "difficulty": "Hard", "likes": 39, "dislikes": 0, "isLiked": null, "similarQuestions": "[]", "contributors": [ { "username": "DB_yjp", "profileUrl": "/u/db_yjp", "avatarUrl": "https://assets.leetcode.cn/aliyun-lc-upload/users/db_yjp/avatar_1531473359.png", "__typename": "ContributorNode" } ], "langToValidPlayground": "{\"cpp\": false, \"java\": true, \"python\": true, \"python3\": false, \"mysql\": false, \"mssql\": false, \"oraclesql\": false, \"c\": false, \"csharp\": false, \"javascript\": false, \"typescript\": false, \"bash\": false, \"php\": false, \"swift\": false, \"kotlin\": false, \"dart\": false, \"golang\": false, \"ruby\": false, \"scala\": false, \"html\": false, \"pythonml\": false, \"rust\": false, \"racket\": false, \"erlang\": false, \"elixir\": false, \"pythondata\": false, \"react\": false, \"vanillajs\": false, \"postgresql\": false}", "topicTags": [ { "name": "Graph", "slug": "graph", "translatedName": "图", "__typename": "TopicTagNode" }, { "name": "Shortest Path", "slug": "shortest-path", "translatedName": "最短路", "__typename": "TopicTagNode" }, { "name": "Heap (Priority Queue)", "slug": "heap-priority-queue", "translatedName": "堆(优先队列)", "__typename": "TopicTagNode" } ], "companyTagStats": null, "codeSnippets": [ { "lang": "C++", "langSlug": "cpp", "code": "class Solution {\npublic:\n int electricCarPlan(vector>& paths, int cnt, int start, int end, vector& charge) {\n\n }\n};", "__typename": "CodeSnippetNode" }, { "lang": "Java", "langSlug": "java", "code": "class Solution {\n public int electricCarPlan(int[][] paths, int cnt, int start, int end, int[] charge) {\n\n }\n}", "__typename": "CodeSnippetNode" }, { "lang": "Python", "langSlug": "python", "code": "class Solution(object):\n def electricCarPlan(self, paths, cnt, start, end, charge):\n \"\"\"\n :type paths: List[List[int]]\n :type cnt: int\n :type start: int\n :type end: int\n :type charge: List[int]\n :rtype: int\n \"\"\"", "__typename": "CodeSnippetNode" }, { "lang": "Python3", "langSlug": "python3", "code": "class Solution:\n def electricCarPlan(self, paths: List[List[int]], cnt: int, start: int, end: int, charge: List[int]) -> int:", "__typename": "CodeSnippetNode" }, { "lang": "C", "langSlug": "c", "code": "\n\nint electricCarPlan(int** paths, int pathsSize, int* pathsColSize, int cnt, int start, int end, int* charge, int chargeSize){\n\n}", "__typename": "CodeSnippetNode" }, { "lang": "C#", "langSlug": "csharp", "code": "public class Solution {\n public int ElectricCarPlan(int[][] paths, int cnt, int start, int end, int[] charge) {\n\n }\n}", "__typename": "CodeSnippetNode" }, { "lang": "JavaScript", "langSlug": "javascript", "code": "/**\n * @param {number[][]} paths\n * @param {number} cnt\n * @param {number} start\n * @param {number} end\n * @param {number[]} charge\n * @return {number}\n */\nvar electricCarPlan = function(paths, cnt, start, end, charge) {\n\n};", "__typename": "CodeSnippetNode" }, { "lang": "TypeScript", "langSlug": "typescript", "code": "function electricCarPlan(paths: number[][], cnt: number, start: number, end: number, charge: number[]): number {\n\n};", "__typename": "CodeSnippetNode" }, { "lang": "PHP", "langSlug": "php", "code": "class Solution {\n\n /**\n * @param Integer[][] $paths\n * @param Integer $cnt\n * @param Integer $start\n * @param Integer $end\n * @param Integer[] $charge\n * @return Integer\n */\n function electricCarPlan($paths, $cnt, $start, $end, $charge) {\n\n }\n}", "__typename": "CodeSnippetNode" }, { "lang": "Swift", "langSlug": "swift", "code": "class Solution {\n func electricCarPlan(_ paths: [[Int]], _ cnt: Int, _ start: Int, _ end: Int, _ charge: [Int]) -> Int {\n\n }\n}", "__typename": "CodeSnippetNode" }, { "lang": "Kotlin", "langSlug": "kotlin", "code": "class Solution {\n fun electricCarPlan(paths: Array, cnt: Int, start: Int, end: Int, charge: IntArray): Int {\n\n }\n}", "__typename": "CodeSnippetNode" }, { "lang": "Dart", "langSlug": "dart", "code": "class Solution {\n int electricCarPlan(List> paths, int cnt, int start, int end, List charge) {\n\n }\n}", "__typename": "CodeSnippetNode" }, { "lang": "Go", "langSlug": "golang", "code": "func electricCarPlan(paths [][]int, cnt int, start int, end int, charge []int) int {\n\n}", "__typename": "CodeSnippetNode" }, { "lang": "Ruby", "langSlug": "ruby", "code": "# @param {Integer[][]} paths\n# @param {Integer} cnt\n# @param {Integer} start\n# @param {Integer} end\n# @param {Integer[]} charge\n# @return {Integer}\ndef electric_car_plan(paths, cnt, start, end, charge)\n\nend", "__typename": "CodeSnippetNode" }, { "lang": "Scala", "langSlug": "scala", "code": "object Solution {\n def electricCarPlan(paths: Array[Array[Int]], cnt: Int, start: Int, end: Int, charge: Array[Int]): Int = {\n\n }\n}", "__typename": "CodeSnippetNode" }, { "lang": "Rust", "langSlug": "rust", "code": "impl Solution {\n pub fn electric_car_plan(paths: Vec>, cnt: i32, start: i32, end: i32, charge: Vec) -> i32 {\n\n }\n}", "__typename": "CodeSnippetNode" }, { "lang": "Racket", "langSlug": "racket", "code": "(define/contract (electric-car-plan paths cnt start end charge)\n (-> (listof (listof exact-integer?)) exact-integer? exact-integer? exact-integer? (listof exact-integer?) exact-integer?)\n\n )", "__typename": "CodeSnippetNode" }, { "lang": "Erlang", "langSlug": "erlang", "code": "-spec electric_car_plan(Paths :: [[integer()]], Cnt :: integer(), Start :: integer(), End :: integer(), Charge :: [integer()]) -> integer().\nelectric_car_plan(Paths, Cnt, Start, End, Charge) ->\n .", "__typename": "CodeSnippetNode" }, { "lang": "Elixir", "langSlug": "elixir", "code": "defmodule Solution do\n @spec electric_car_plan(paths :: [[integer]], cnt :: integer, start :: integer, end :: integer, charge :: [integer]) :: integer\n def electric_car_plan(paths, cnt, start, end, charge) do\n\n end\nend", "__typename": "CodeSnippetNode" } ], "stats": "{\"totalAccepted\": \"3.1K\", \"totalSubmission\": \"6.3K\", \"totalAcceptedRaw\": 3061, \"totalSubmissionRaw\": 6341, \"acRate\": \"48.3%\"}", "hints": [], "solution": null, "status": null, "sampleTestCase": "[[1,3,3],[3,2,1],[2,1,3],[0,1,4],[3,0,5]]\n6\n1\n0\n[2,10,4,1]", "metaData": "{\"name\": \"electricCarPlan\", \"params\": [{\"name\": \"paths\", \"type\": \"integer[][]\"}, {\"name\": \"cnt\", \"type\": \"integer\"}, {\"name\": \"start\", \"type\": \"integer\"}, {\"name\": \"end\", \"type\": \"integer\"}, {\"name\": \"charge\", \"type\": \"integer[]\"}], \"return\": {\"type\": \"integer\"}}", "judgerAvailable": true, "judgeType": "large", "mysqlSchemas": [], "enableRunCode": true, "envInfo": "{\"cpp\":[\"C++\",\"

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