mirror of
https://gitee.com/coder-xiaomo/leetcode-problemset
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154 lines
18 KiB
JSON
154 lines
18 KiB
JSON
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"title": "Guess Number Higher or Lower",
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"content": "<p>We are playing the Guess Game. The game is as follows:</p>\n\n<p>I pick a number from <code>1</code> to <code>n</code>. You have to guess which number I picked.</p>\n\n<p>Every time you guess wrong, I will tell you whether the number I picked is higher or lower than your guess.</p>\n\n<p>You call a pre-defined API <code>int guess(int num)</code>, which returns three possible results:</p>\n\n<ul>\n\t<li><code>-1</code>: Your guess is higher than the number I picked (i.e. <code>num > pick</code>).</li>\n\t<li><code>1</code>: Your guess is lower than the number I picked (i.e. <code>num < pick</code>).</li>\n\t<li><code>0</code>: your guess is equal to the number I picked (i.e. <code>num == pick</code>).</li>\n</ul>\n\n<p>Return <em>the number that I picked</em>.</p>\n\n<p> </p>\n<p><strong>Example 1:</strong></p>\n\n<pre>\n<strong>Input:</strong> n = 10, pick = 6\n<strong>Output:</strong> 6\n</pre>\n\n<p><strong>Example 2:</strong></p>\n\n<pre>\n<strong>Input:</strong> n = 1, pick = 1\n<strong>Output:</strong> 1\n</pre>\n\n<p><strong>Example 3:</strong></p>\n\n<pre>\n<strong>Input:</strong> n = 2, pick = 1\n<strong>Output:</strong> 1\n</pre>\n\n<p> </p>\n<p><strong>Constraints:</strong></p>\n\n<ul>\n\t<li><code>1 <= n <= 2<sup>31</sup> - 1</code></li>\n\t<li><code>1 <= pick <= n</code></li>\n</ul>\n",
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"difficulty": "Easy",
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"exampleTestcases": "10\n6\n1\n1\n2\n1",
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"categoryTitle": "Algorithms",
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"name": "Binary Search",
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"code": "/** \n * Forward declaration of guess API.\n * @param num your guess\n * @return \t -1 if num is higher than the picked number\n *\t\t\t 1 if num is lower than the picked number\n * otherwise return 0\n * int guess(int num);\n */\n\nclass Solution {\npublic:\n int guessNumber(int n) {\n \n }\n};",
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"code": "/** \n * Forward declaration of guess API.\n * @param num your guess\n * @return \t -1 if num is higher than the picked number\n *\t\t\t 1 if num is lower than the picked number\n * otherwise return 0\n * int guess(int num);\n */\n\npublic class Solution extends GuessGame {\n public int guessNumber(int n) {\n \n }\n}",
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"code": "# The guess API is already defined for you.\n# @param num, your guess\n# @return -1 if num is higher than the picked number\n# 1 if num is lower than the picked number\n# otherwise return 0\n# def guess(num):\n\nclass Solution(object):\n def guessNumber(self, n):\n \"\"\"\n :type n: int\n :rtype: int\n \"\"\"\n ",
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"code": "# The guess API is already defined for you.\n# @param num, your guess\n# @return -1 if num is higher than the picked number\n# 1 if num is lower than the picked number\n# otherwise return 0\n# def guess(num: int) -> int:\n\nclass Solution:\n def guessNumber(self, n: int) -> int:\n ",
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"code": "/** \n * Forward declaration of guess API.\n * @param num your guess\n * @return \t -1 if num is higher than the picked number\n *\t\t\t 1 if num is lower than the picked number\n * otherwise return 0\n * int guess(int num);\n */\n\nint guessNumber(int n){\n\t\n}",
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"code": "/** \n * Forward declaration of guess API.\n * @param num your guess\n * @return \t -1 if num is higher than the picked number\n *\t\t\t 1 if num is lower than the picked number\n * otherwise return 0\n * int guess(int num);\n */\n\npublic class Solution : GuessGame {\n public int GuessNumber(int n) {\n \n }\n}",
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"code": "/** \n * Forward declaration of guess API.\n * @param {number} num your guess\n * @return \t -1 if num is higher than the picked number\n *\t\t\t 1 if num is lower than the picked number\n * otherwise return 0\n * var guess = function(num) {}\n */\n\n/**\n * @param {number} n\n * @return {number}\n */\nvar guessNumber = function(n) {\n \n};",
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"code": "# The guess API is already defined for you.\n# @param num, your guess\n# @return -1 if num is higher than the picked number\n# 1 if num is lower than the picked number\n# otherwise return 0\n# def guess(num)\n\ndef guessNumber(n)\n \nend",
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"lang": "Swift",
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"langSlug": "swift",
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"code": "/** \n * Forward declaration of guess API.\n * @param num -> your guess number\n * @return \t -1 if num is higher than the picked number\n *\t\t\t 1 if num is lower than the picked number\n * otherwise return 0 \n * func guess(_ num: Int) -> Int \n */\n\nclass Solution : GuessGame {\n func guessNumber(_ n: Int) -> Int {\n \n }\n}",
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"lang": "Go",
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"langSlug": "golang",
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"code": "/** \n * Forward declaration of guess API.\n * @param num your guess\n * @return \t -1 if num is higher than the picked number\n *\t\t\t 1 if num is lower than the picked number\n * otherwise return 0\n * func guess(num int) int;\n */\n\nfunc guessNumber(n int) int {\n \n}",
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"lang": "Scala",
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"langSlug": "scala",
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"code": "/** \n * The API guess is defined in the parent class.\n * @param num your guess\n * @return \t -1 if num is higher than the picked number\n *\t\t\t 1 if num is lower than the picked number\n * otherwise return 0\n * def guess(num: Int): Int = {}\n */\n\nclass Solution extends GuessGame {\n def guessNumber(n: Int): Int = {\n \n }\n}",
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"lang": "Kotlin",
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"code": "/** \n * The API guess is defined in the parent class.\n * @param num your guess\n * @return \t -1 if num is higher than the picked number\n *\t\t\t 1 if num is lower than the picked number\n * otherwise return 0\n * fun guess(num:Int):Int {}\n */\n\nclass Solution:GuessGame() {\n override fun guessNumber(n:Int):Int {\n \n }\n}",
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"code": "/** \n * Forward declaration of guess API.\n * @param num your guess\n * @return \t -1 if num is higher than the picked number\n *\t\t\t 1 if num is lower than the picked number\n * otherwise return 0\n * unsafe fn guess(num: i32) -> i32 {}\n */\n\nimpl Solution {\n unsafe fn guessNumber(n: i32) -> i32 {\n \n }\n}",
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