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leetcode-problemset/leetcode-cn/originData/check-if-all-the-integers-in-a-range-are-covered.json
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{
"data": {
"question": {
"questionId": "2005",
"questionFrontendId": "1893",
"categoryTitle": "Algorithms",
"boundTopicId": 820491,
"title": "Check if All the Integers in a Range Are Covered",
"titleSlug": "check-if-all-the-integers-in-a-range-are-covered",
"content": "<p>You are given a 2D integer array <code>ranges</code> and two integers <code>left</code> and <code>right</code>. Each <code>ranges[i] = [start<sub>i</sub>, end<sub>i</sub>]</code> represents an <strong>inclusive</strong> interval between <code>start<sub>i</sub></code> and <code>end<sub>i</sub></code>.</p>\n\n<p>Return <code>true</code> <em>if each integer in the inclusive range</em> <code>[left, right]</code> <em>is covered by <strong>at least one</strong> interval in</em> <code>ranges</code>. Return <code>false</code> <em>otherwise</em>.</p>\n\n<p>An integer <code>x</code> is covered by an interval <code>ranges[i] = [start<sub>i</sub>, end<sub>i</sub>]</code> if <code>start<sub>i</sub> &lt;= x &lt;= end<sub>i</sub></code>.</p>\n\n<p>&nbsp;</p>\n<p><strong class=\"example\">Example 1:</strong></p>\n\n<pre>\n<strong>Input:</strong> ranges = [[1,2],[3,4],[5,6]], left = 2, right = 5\n<strong>Output:</strong> true\n<strong>Explanation:</strong> Every integer between 2 and 5 is covered:\n- 2 is covered by the first range.\n- 3 and 4 are covered by the second range.\n- 5 is covered by the third range.\n</pre>\n\n<p><strong class=\"example\">Example 2:</strong></p>\n\n<pre>\n<strong>Input:</strong> ranges = [[1,10],[10,20]], left = 21, right = 21\n<strong>Output:</strong> false\n<strong>Explanation:</strong> 21 is not covered by any range.\n</pre>\n\n<p>&nbsp;</p>\n<p><strong>Constraints:</strong></p>\n\n<ul>\n\t<li><code>1 &lt;= ranges.length &lt;= 50</code></li>\n\t<li><code>1 &lt;= start<sub>i</sub> &lt;= end<sub>i</sub> &lt;= 50</code></li>\n\t<li><code>1 &lt;= left &lt;= right &lt;= 50</code></li>\n</ul>\n",
"translatedTitle": "检查是否区域内所有整数都被覆盖",
"translatedContent": "<p>给你一个二维整数数组 <code>ranges</code> 和两个整数 <code>left</code> 和 <code>right</code> 。每个 <code>ranges[i] = [start<sub>i</sub>, end<sub>i</sub>]</code> 表示一个从 <code>start<sub>i</sub></code> 到 <code>end<sub>i</sub></code> 的 <strong>闭区间</strong> 。</p>\n\n<p>如果闭区间 <code>[left, right]</code> 内每个整数都被 <code>ranges</code> 中 <strong>至少一个</strong> 区间覆盖,那么请你返回 <code>true</code> ,否则返回 <code>false</code> 。</p>\n\n<p>已知区间 <code>ranges[i] = [start<sub>i</sub>, end<sub>i</sub>]</code> ,如果整数 <code>x</code> 满足 <code>start<sub>i</sub> <= x <= end<sub>i</sub></code> ,那么我们称整数<code>x</code> 被覆盖了。</p>\n\n<p> </p>\n\n<p><strong>示例 1</strong></p>\n\n<pre>\n<b>输入:</b>ranges = [[1,2],[3,4],[5,6]], left = 2, right = 5\n<b>输出:</b>true\n<b>解释:</b>2 到 5 的每个整数都被覆盖了:\n- 2 被第一个区间覆盖。\n- 3 和 4 被第二个区间覆盖。\n- 5 被第三个区间覆盖。\n</pre>\n\n<p><strong>示例 2</strong></p>\n\n<pre>\n<b>输入:</b>ranges = [[1,10],[10,20]], left = 21, right = 21\n<b>输出:</b>false\n<b>解释:</b>21 没有被任何一个区间覆盖。\n</pre>\n\n<p> </p>\n\n<p><strong>提示:</strong></p>\n\n<ul>\n\t<li><code>1 <= ranges.length <= 50</code></li>\n\t<li><code>1 <= start<sub>i</sub> <= end<sub>i</sub> <= 50</code></li>\n\t<li><code>1 <= left <= right <= 50</code></li>\n</ul>\n",
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"difficulty": "Easy",
"likes": 157,
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"similarQuestions": "[{\"title\": \"Find Maximal Uncovered Ranges\", \"titleSlug\": \"find-maximal-uncovered-ranges\", \"difficulty\": \"Medium\", \"translatedTitle\": \"\\u5bfb\\u627e\\u6700\\u5927\\u957f\\u5ea6\\u7684\\u672a\\u8986\\u76d6\\u533a\\u95f4\", \"isPaidOnly\": true}]",
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"topicTags": [
{
"name": "Array",
"slug": "array",
"translatedName": "数组",
"__typename": "TopicTagNode"
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{
"name": "Hash Table",
"slug": "hash-table",
"translatedName": "哈希表",
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{
"name": "Prefix Sum",
"slug": "prefix-sum",
"translatedName": "前缀和",
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"code": "class Solution {\npublic:\n bool isCovered(vector<vector<int>>& ranges, int left, int right) {\n \n }\n};",
"__typename": "CodeSnippetNode"
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"code": "class Solution {\n public boolean isCovered(int[][] ranges, int left, int right) {\n \n }\n}",
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"code": "class Solution:\n def isCovered(self, ranges: List[List[int]], left: int, right: int) -> bool:\n ",
"__typename": "CodeSnippetNode"
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{
"lang": "Python",
"langSlug": "python",
"code": "class Solution(object):\n def isCovered(self, ranges, left, right):\n \"\"\"\n :type ranges: List[List[int]]\n :type left: int\n :type right: int\n :rtype: bool\n \"\"\"\n ",
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"code": "public class Solution {\n public bool IsCovered(int[][] ranges, int left, int right) {\n \n }\n}",
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"code": "bool isCovered(int** ranges, int rangesSize, int* rangesColSize, int left, int right) {\n \n}",
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{
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"code": "impl Solution {\n pub fn is_covered(ranges: Vec<Vec<i32>>, left: i32, right: i32) -> bool {\n \n }\n}",
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"lang": "Ruby",
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"lang": "PHP",
"langSlug": "php",
"code": "class Solution {\n\n /**\n * @param Integer[][] $ranges\n * @param Integer $left\n * @param Integer $right\n * @return Boolean\n */\n function isCovered($ranges, $left, $right) {\n \n }\n}",
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{
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"code": "object Solution {\n def isCovered(ranges: Array[Array[Int]], left: Int, right: Int): Boolean = {\n \n }\n}",
"__typename": "CodeSnippetNode"
},
{
"lang": "Elixir",
"langSlug": "elixir",
"code": "defmodule Solution do\n @spec is_covered(ranges :: [[integer]], left :: integer, right :: integer) :: boolean\n def is_covered(ranges, left, right) do\n \n end\nend",
"__typename": "CodeSnippetNode"
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"lang": "Erlang",
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"code": "-spec is_covered(Ranges :: [[integer()]], Left :: integer(), Right :: integer()) -> boolean().\nis_covered(Ranges, Left, Right) ->\n .",
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"__typename": "CodeSnippetNode"
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{
"lang": "Cangjie",
"langSlug": "cangjie",
"code": "class Solution {\n func isCovered(ranges: Array<Array<Int64>>, left: Int64, right: Int64): Bool {\n\n }\n}",
"__typename": "CodeSnippetNode"
}
],
"stats": "{\"totalAccepted\": \"46.4K\", \"totalSubmission\": \"78.1K\", \"totalAcceptedRaw\": 46433, \"totalSubmissionRaw\": 78085, \"acRate\": \"59.5%\"}",
"hints": [
"Iterate over every integer point in the range [left, right].",
"For each of these points check if it is included in one of the ranges."
],
"solution": null,
"status": null,
"sampleTestCase": "[[1,2],[3,4],[5,6]]\n2\n5",
"metaData": "{\n \"name\": \"isCovered\",\n \"params\": [\n {\n \"name\": \"ranges\",\n \"type\": \"integer[][]\"\n },\n {\n \"type\": \"integer\",\n \"name\": \"left\"\n },\n {\n \"type\": \"integer\",\n \"name\": \"right\"\n }\n ],\n \"return\": {\n \"type\": \"boolean\"\n }\n}",
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