leetcode-problemset/leetcode-cn/originData/[no content]shortest-path-in-a-hidden-grid.json

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            "questionFrontendId": "1778",
            "categoryTitle": "Algorithms",
            "boundTopicId": 635621,
            "title": "Shortest Path in a Hidden Grid",
            "titleSlug": "shortest-path-in-a-hidden-grid",
            "content": null,
            "translatedTitle": "未知网格中的最短路径",
            "translatedContent": null,
            "isPaidOnly": true,
            "difficulty": "Medium",
            "likes": 9,
            "dislikes": 0,
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            "topicTags": [
                {
                    "name": "Depth-First Search",
                    "slug": "depth-first-search",
                    "translatedName": "深度优先搜索",
                    "__typename": "TopicTagNode"
                },
                {
                    "name": "Breadth-First Search",
                    "slug": "breadth-first-search",
                    "translatedName": "广度优先搜索",
                    "__typename": "TopicTagNode"
                },
                {
                    "name": "Graph",
                    "slug": "graph",
                    "translatedName": "图",
                    "__typename": "TopicTagNode"
                },
                {
                    "name": "Interactive",
                    "slug": "interactive",
                    "translatedName": "交互",
                    "__typename": "TopicTagNode"
                }
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            "hints": [
                "The grid is at a maximum 500 x 500, so it is clever to assume that the robot's initial cell is grid[501][501]",
                "Run a DFS from the robot's position to make sure that you can reach the target, otherwise you should return -1.",
                "Now that you are sure you can reach the target, run BFS to find the shortest path."
            ],
            "solution": null,
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            "metaData": "{\n  \"name\": \"foobar\",\n  \"params\": [\n    {\n      \"type\": \"integer[][]\",\n      \"name\": \"grid\"\n    }\n  ],\n  \"return\": {\n    \"type\": \"integer\"\n  },\n  \"manual\": true,\n  \"languages\": [\n    \"cpp\",\n    \"java\",\n    \"python\",\n    \"csharp\",\n    \"javascript\",\n    \"swift\",\n    \"python3\"\n  ]\n}",
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