mirror of
https://gitee.com/coder-xiaomo/leetcode-problemset
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203 lines
39 KiB
JSON
203 lines
39 KiB
JSON
{
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"data": {
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"question": {
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"questionId": "3797",
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"questionFrontendId": "3484",
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"categoryTitle": "Algorithms",
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"boundTopicId": 3612464,
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"title": "Design Spreadsheet",
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"titleSlug": "design-spreadsheet",
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"content": "<p>A spreadsheet is a grid with 26 columns (labeled from <code>'A'</code> to <code>'Z'</code>) and a given number of <code>rows</code>. Each cell in the spreadsheet can hold an integer value between 0 and 10<sup>5</sup>.</p>\n\n<p>Implement the <code>Spreadsheet</code> class:</p>\n\n<ul>\n\t<li><code>Spreadsheet(int rows)</code> Initializes a spreadsheet with 26 columns (labeled <code>'A'</code> to <code>'Z'</code>) and the specified number of rows. All cells are initially set to 0.</li>\n\t<li><code>void setCell(String cell, int value)</code> Sets the value of the specified <code>cell</code>. The cell reference is provided in the format <code>"AX"</code> (e.g., <code>"A1"</code>, <code>"B10"</code>), where the letter represents the column (from <code>'A'</code> to <code>'Z'</code>) and the number represents a <strong>1-indexed</strong> row.</li>\n\t<li><code>void resetCell(String cell)</code> Resets the specified cell to 0.</li>\n\t<li><code>int getValue(String formula)</code> Evaluates a formula of the form <code>"=X+Y"</code>, where <code>X</code> and <code>Y</code> are <strong>either</strong> cell references or non-negative integers, and returns the computed sum.</li>\n</ul>\n\n<p><strong>Note:</strong> If <code>getValue</code> references a cell that has not been explicitly set using <code>setCell</code>, its value is considered 0.</p>\n\n<p> </p>\n<p><strong class=\"example\">Example 1:</strong></p>\n\n<div class=\"example-block\">\n<p><strong>Input:</strong><br />\n<span class=\"example-io\">["Spreadsheet", "getValue", "setCell", "getValue", "setCell", "getValue", "resetCell", "getValue"]<br />\n[[3], ["=5+7"], ["A1", 10], ["=A1+6"], ["B2", 15], ["=A1+B2"], ["A1"], ["=A1+B2"]]</span></p>\n\n<p><strong>Output:</strong><br />\n<span class=\"example-io\">[null, 12, null, 16, null, 25, null, 15] </span></p>\n\n<p><strong>Explanation</strong></p>\nSpreadsheet spreadsheet = new Spreadsheet(3); // Initializes a spreadsheet with 3 rows and 26 columns<br data-end=\"321\" data-start=\"318\" />\nspreadsheet.getValue("=5+7"); // returns 12 (5+7)<br data-end=\"373\" data-start=\"370\" />\nspreadsheet.setCell("A1", 10); // sets A1 to 10<br data-end=\"423\" data-start=\"420\" />\nspreadsheet.getValue("=A1+6"); // returns 16 (10+6)<br data-end=\"477\" data-start=\"474\" />\nspreadsheet.setCell("B2", 15); // sets B2 to 15<br data-end=\"527\" data-start=\"524\" />\nspreadsheet.getValue("=A1+B2"); // returns 25 (10+15)<br data-end=\"583\" data-start=\"580\" />\nspreadsheet.resetCell("A1"); // resets A1 to 0<br data-end=\"634\" data-start=\"631\" />\nspreadsheet.getValue("=A1+B2"); // returns 15 (0+15)</div>\n\n<p> </p>\n<p><strong>Constraints:</strong></p>\n\n<ul>\n\t<li><code>1 <= rows <= 10<sup>3</sup></code></li>\n\t<li><code>0 <= value <= 10<sup>5</sup></code></li>\n\t<li>The formula is always in the format <code>"=X+Y"</code>, where <code>X</code> and <code>Y</code> are either valid cell references or <strong>non-negative</strong> integers with values less than or equal to <code>10<sup>5</sup></code>.</li>\n\t<li>Each cell reference consists of a capital letter from <code>'A'</code> to <code>'Z'</code> followed by a row number between <code>1</code> and <code>rows</code>.</li>\n\t<li>At most <code>10<sup>4</sup></code> calls will be made in <strong>total</strong> to <code>setCell</code>, <code>resetCell</code>, and <code>getValue</code>.</li>\n</ul>\n",
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"translatedTitle": "设计电子表格",
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"translatedContent": "<p>电子表格是一个网格,它有 26 列(从 <code>'A'</code> 到 <code>'Z'</code>)和指定数量的 <code>rows</code>。每个单元格可以存储一个 0 到 10<sup>5</sup> 之间的整数值。</p>\n\n<p>请你实现一个 <code>Spreadsheet</code> 类:</p>\n\n<ul>\n\t<li><code>Spreadsheet(int rows)</code> 初始化一个具有 26 列(从 <code>'A'</code> 到 <code>'Z'</code>)和指定行数的电子表格。所有单元格最初的值都为 0 。</li>\n\t<li><code>void setCell(String cell, int value)</code> 设置指定单元格的值。单元格引用以 <code>\"AX\"</code> 的格式提供(例如,<code>\"A1\"</code>,<code>\"B10\"</code>),其中字母表示列(从 <code>'A'</code> 到 <code>'Z'</code>),数字表示从<strong> </strong><strong>1</strong> 开始的行号。</li>\n\t<li><code>void resetCell(String cell)</code> 重置指定单元格的值为 0 。</li>\n\t<li><code>int getValue(String formula)</code> 计算一个公式的值,格式为 <code>\"=X+Y\"</code>,其中 <code>X</code> 和 <code>Y</code> <strong>要么</strong> 是单元格引用,要么非负整数,返回计算的和。</li>\n</ul>\n\n<p><strong>注意:</strong> 如果 <code>getValue</code> 引用一个未通过 <code>setCell</code> 明确设置的单元格,则该单元格的值默认为 0 。</p>\n\n<p> </p>\n\n<p><strong class=\"example\">示例 1:</strong></p>\n\n<div class=\"example-block\">\n<p><strong>输入:</strong><br />\n<span class=\"example-io\">[\"Spreadsheet\", \"getValue\", \"setCell\", \"getValue\", \"setCell\", \"getValue\", \"resetCell\", \"getValue\"]<br />\n[[3], [\"=5+7\"], [\"A1\", 10], [\"=A1+6\"], [\"B2\", 15], [\"=A1+B2\"], [\"A1\"], [\"=A1+B2\"]]</span></p>\n\n<p><strong>输出:</strong><br />\n<span class=\"example-io\">[null, 12, null, 16, null, 25, null, 15] </span></p>\n\n<p><strong>解释</strong></p>\nSpreadsheet spreadsheet = new Spreadsheet(3); // 初始化一个具有 3 行和 26 列的电子表格<br data-end=\"321\" data-start=\"318\" />\nspreadsheet.getValue(\"=5+7\"); // 返回 12 (5+7)<br data-end=\"373\" data-start=\"370\" />\nspreadsheet.setCell(\"A1\", 10); // 设置 A1 为 10<br data-end=\"423\" data-start=\"420\" />\nspreadsheet.getValue(\"=A1+6\"); // 返回 16 (10+6)<br data-end=\"477\" data-start=\"474\" />\nspreadsheet.setCell(\"B2\", 15); // 设置 B2 为 15<br data-end=\"527\" data-start=\"524\" />\nspreadsheet.getValue(\"=A1+B2\"); // 返回 25 (10+15)<br data-end=\"583\" data-start=\"580\" />\nspreadsheet.resetCell(\"A1\"); // 重置 A1 为 0<br data-end=\"634\" data-start=\"631\" />\nspreadsheet.getValue(\"=A1+B2\"); // 返回 15 (0+15)</div>\n\n<p> </p>\n\n<p><strong>提示:</strong></p>\n\n<ul>\n\t<li><code>1 <= rows <= 10<sup>3</sup></code></li>\n\t<li><code>0 <= value <= 10<sup>5</sup></code></li>\n\t<li>公式保证采用 <code>\"=X+Y\"</code> 格式,其中 <code>X</code> 和 <code>Y</code> 要么是有效的单元格引用,要么是小于等于 <code>10<sup>5</sup></code> 的 <strong>非负</strong> 整数。</li>\n\t<li>每个单元格引用由一个大写字母 <code>'A'</code> 到 <code>'Z'</code> 和一个介于 <code>1</code> 和 <code>rows</code> 之间的行号组成。</li>\n\t<li><strong>总共</strong> 最多会对 <code>setCell</code>、<code>resetCell</code> 和 <code>getValue</code> 调用 <code>10<sup>4</sup></code> 次。</li>\n</ul>\n",
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"difficulty": "Medium",
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"code": "class Spreadsheet {\npublic:\n Spreadsheet(int rows) {\n \n }\n \n void setCell(string cell, int value) {\n \n }\n \n void resetCell(string cell) {\n \n }\n \n int getValue(string formula) {\n \n }\n};\n\n/**\n * Your Spreadsheet object will be instantiated and called as such:\n * Spreadsheet* obj = new Spreadsheet(rows);\n * obj->setCell(cell,value);\n * obj->resetCell(cell);\n * int param_3 = obj->getValue(formula);\n */",
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"code": "class Spreadsheet {\n\n public Spreadsheet(int rows) {\n \n }\n \n public void setCell(String cell, int value) {\n \n }\n \n public void resetCell(String cell) {\n \n }\n \n public int getValue(String formula) {\n \n }\n}\n\n/**\n * Your Spreadsheet object will be instantiated and called as such:\n * Spreadsheet obj = new Spreadsheet(rows);\n * obj.setCell(cell,value);\n * obj.resetCell(cell);\n * int param_3 = obj.getValue(formula);\n */",
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"code": "class Spreadsheet(object):\n\n def __init__(self, rows):\n \"\"\"\n :type rows: int\n \"\"\"\n \n\n def setCell(self, cell, value):\n \"\"\"\n :type cell: str\n :type value: int\n :rtype: None\n \"\"\"\n \n\n def resetCell(self, cell):\n \"\"\"\n :type cell: str\n :rtype: None\n \"\"\"\n \n\n def getValue(self, formula):\n \"\"\"\n :type formula: str\n :rtype: int\n \"\"\"\n \n\n\n# Your Spreadsheet object will be instantiated and called as such:\n# obj = Spreadsheet(rows)\n# obj.setCell(cell,value)\n# obj.resetCell(cell)\n# param_3 = obj.getValue(formula)",
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"code": "class Spreadsheet:\n\n def __init__(self, rows: int):\n \n\n def setCell(self, cell: str, value: int) -> None:\n \n\n def resetCell(self, cell: str) -> None:\n \n\n def getValue(self, formula: str) -> int:\n \n\n\n# Your Spreadsheet object will be instantiated and called as such:\n# obj = Spreadsheet(rows)\n# obj.setCell(cell,value)\n# obj.resetCell(cell)\n# param_3 = obj.getValue(formula)",
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"code": "\n\n\ntypedef struct {\n \n} Spreadsheet;\n\n\nSpreadsheet* spreadsheetCreate(int rows) {\n \n}\n\nvoid spreadsheetSetCell(Spreadsheet* obj, char* cell, int value) {\n \n}\n\nvoid spreadsheetResetCell(Spreadsheet* obj, char* cell) {\n \n}\n\nint spreadsheetGetValue(Spreadsheet* obj, char* formula) {\n \n}\n\nvoid spreadsheetFree(Spreadsheet* obj) {\n \n}\n\n/**\n * Your Spreadsheet struct will be instantiated and called as such:\n * Spreadsheet* obj = spreadsheetCreate(rows);\n * spreadsheetSetCell(obj, cell, value);\n \n * spreadsheetResetCell(obj, cell);\n \n * int param_3 = spreadsheetGetValue(obj, formula);\n \n * spreadsheetFree(obj);\n*/",
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"code": "public class Spreadsheet {\n\n public Spreadsheet(int rows) {\n \n }\n \n public void SetCell(string cell, int value) {\n \n }\n \n public void ResetCell(string cell) {\n \n }\n \n public int GetValue(string formula) {\n \n }\n}\n\n/**\n * Your Spreadsheet object will be instantiated and called as such:\n * Spreadsheet obj = new Spreadsheet(rows);\n * obj.SetCell(cell,value);\n * obj.ResetCell(cell);\n * int param_3 = obj.GetValue(formula);\n */",
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"code": "/**\n * @param {number} rows\n */\nvar Spreadsheet = function(rows) {\n \n};\n\n/** \n * @param {string} cell \n * @param {number} value\n * @return {void}\n */\nSpreadsheet.prototype.setCell = function(cell, value) {\n \n};\n\n/** \n * @param {string} cell\n * @return {void}\n */\nSpreadsheet.prototype.resetCell = function(cell) {\n \n};\n\n/** \n * @param {string} formula\n * @return {number}\n */\nSpreadsheet.prototype.getValue = function(formula) {\n \n};\n\n/** \n * Your Spreadsheet object will be instantiated and called as such:\n * var obj = new Spreadsheet(rows)\n * obj.setCell(cell,value)\n * obj.resetCell(cell)\n * var param_3 = obj.getValue(formula)\n */",
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"__typename": "CodeSnippetNode"
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"code": "class Spreadsheet {\n constructor(rows: number) {\n \n }\n\n setCell(cell: string, value: number): void {\n \n }\n\n resetCell(cell: string): void {\n \n }\n\n getValue(formula: string): number {\n \n }\n}\n\n/**\n * Your Spreadsheet object will be instantiated and called as such:\n * var obj = new Spreadsheet(rows)\n * obj.setCell(cell,value)\n * obj.resetCell(cell)\n * var param_3 = obj.getValue(formula)\n */",
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"code": "class Spreadsheet {\n /**\n * @param Integer $rows\n */\n function __construct($rows) {\n \n }\n \n /**\n * @param String $cell\n * @param Integer $value\n * @return NULL\n */\n function setCell($cell, $value) {\n \n }\n \n /**\n * @param String $cell\n * @return NULL\n */\n function resetCell($cell) {\n \n }\n \n /**\n * @param String $formula\n * @return Integer\n */\n function getValue($formula) {\n \n }\n}\n\n/**\n * Your Spreadsheet object will be instantiated and called as such:\n * $obj = Spreadsheet($rows);\n * $obj->setCell($cell, $value);\n * $obj->resetCell($cell);\n * $ret_3 = $obj->getValue($formula);\n */",
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"code": "\nclass Spreadsheet {\n\n init(_ rows: Int) {\n \n }\n \n func setCell(_ cell: String, _ value: Int) {\n \n }\n \n func resetCell(_ cell: String) {\n \n }\n \n func getValue(_ formula: String) -> Int {\n \n }\n}\n\n/**\n * Your Spreadsheet object will be instantiated and called as such:\n * let obj = Spreadsheet(rows)\n * obj.setCell(cell, value)\n * obj.resetCell(cell)\n * let ret_3: Int = obj.getValue(formula)\n */",
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"code": "class Spreadsheet(rows: Int) {\n\n fun setCell(cell: String, value: Int) {\n \n }\n\n fun resetCell(cell: String) {\n \n }\n\n fun getValue(formula: String): Int {\n \n }\n\n}\n\n/**\n * Your Spreadsheet object will be instantiated and called as such:\n * var obj = Spreadsheet(rows)\n * obj.setCell(cell,value)\n * obj.resetCell(cell)\n * var param_3 = obj.getValue(formula)\n */",
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"code": "class Spreadsheet {\n\n Spreadsheet(int rows) {\n \n }\n \n void setCell(String cell, int value) {\n \n }\n \n void resetCell(String cell) {\n \n }\n \n int getValue(String formula) {\n \n }\n}\n\n/**\n * Your Spreadsheet object will be instantiated and called as such:\n * Spreadsheet obj = Spreadsheet(rows);\n * obj.setCell(cell,value);\n * obj.resetCell(cell);\n * int param3 = obj.getValue(formula);\n */",
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"code": "type Spreadsheet struct {\n \n}\n\n\nfunc Constructor(rows int) Spreadsheet {\n \n}\n\n\nfunc (this *Spreadsheet) SetCell(cell string, value int) {\n \n}\n\n\nfunc (this *Spreadsheet) ResetCell(cell string) {\n \n}\n\n\nfunc (this *Spreadsheet) GetValue(formula string) int {\n \n}\n\n\n/**\n * Your Spreadsheet object will be instantiated and called as such:\n * obj := Constructor(rows);\n * obj.SetCell(cell,value);\n * obj.ResetCell(cell);\n * param_3 := obj.GetValue(formula);\n */",
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"__typename": "CodeSnippetNode"
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},
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"code": "class Spreadsheet\n\n=begin\n :type rows: Integer\n=end\n def initialize(rows)\n \n end\n\n\n=begin\n :type cell: String\n :type value: Integer\n :rtype: Void\n=end\n def set_cell(cell, value)\n \n end\n\n\n=begin\n :type cell: String\n :rtype: Void\n=end\n def reset_cell(cell)\n \n end\n\n\n=begin\n :type formula: String\n :rtype: Integer\n=end\n def get_value(formula)\n \n end\n\n\nend\n\n# Your Spreadsheet object will be instantiated and called as such:\n# obj = Spreadsheet.new(rows)\n# obj.set_cell(cell, value)\n# obj.reset_cell(cell)\n# param_3 = obj.get_value(formula)",
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"code": "class Spreadsheet(_rows: Int) {\n\n def setCell(cell: String, value: Int): Unit = {\n \n }\n\n def resetCell(cell: String): Unit = {\n \n }\n\n def getValue(formula: String): Int = {\n \n }\n\n}\n\n/**\n * Your Spreadsheet object will be instantiated and called as such:\n * val obj = new Spreadsheet(rows)\n * obj.setCell(cell,value)\n * obj.resetCell(cell)\n * val param_3 = obj.getValue(formula)\n */",
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"__typename": "CodeSnippetNode"
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"lang": "Rust",
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"code": "struct Spreadsheet {\n\n}\n\n\n/** \n * `&self` means the method takes an immutable reference.\n * If you need a mutable reference, change it to `&mut self` instead.\n */\nimpl Spreadsheet {\n\n fn new(rows: i32) -> Self {\n \n }\n \n fn set_cell(&self, cell: String, value: i32) {\n \n }\n \n fn reset_cell(&self, cell: String) {\n \n }\n \n fn get_value(&self, formula: String) -> i32 {\n \n }\n}\n\n/**\n * Your Spreadsheet object will be instantiated and called as such:\n * let obj = Spreadsheet::new(rows);\n * obj.set_cell(cell, value);\n * obj.reset_cell(cell);\n * let ret_3: i32 = obj.get_value(formula);\n */",
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"__typename": "CodeSnippetNode"
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"lang": "Racket",
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"code": "(define spreadsheet%\n (class object%\n (super-new)\n \n ; rows : exact-integer?\n (init-field\n rows)\n \n ; set-cell : string? exact-integer? -> void?\n (define/public (set-cell cell value)\n )\n ; reset-cell : string? -> void?\n (define/public (reset-cell cell)\n )\n ; get-value : string? -> exact-integer?\n (define/public (get-value formula)\n )))\n\n;; Your spreadsheet% object will be instantiated and called as such:\n;; (define obj (new spreadsheet% [rows rows]))\n;; (send obj set-cell cell value)\n;; (send obj reset-cell cell)\n;; (define param_3 (send obj get-value formula))",
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"__typename": "CodeSnippetNode"
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"lang": "Erlang",
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"langSlug": "erlang",
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"code": "-spec spreadsheet_init_(Rows :: integer()) -> any().\nspreadsheet_init_(Rows) ->\n .\n\n-spec spreadsheet_set_cell(Cell :: unicode:unicode_binary(), Value :: integer()) -> any().\nspreadsheet_set_cell(Cell, Value) ->\n .\n\n-spec spreadsheet_reset_cell(Cell :: unicode:unicode_binary()) -> any().\nspreadsheet_reset_cell(Cell) ->\n .\n\n-spec spreadsheet_get_value(Formula :: unicode:unicode_binary()) -> integer().\nspreadsheet_get_value(Formula) ->\n .\n\n\n%% Your functions will be called as such:\n%% spreadsheet_init_(Rows),\n%% spreadsheet_set_cell(Cell, Value),\n%% spreadsheet_reset_cell(Cell),\n%% Param_3 = spreadsheet_get_value(Formula),\n\n%% spreadsheet_init_ will be called before every test case, in which you can do some necessary initializations.",
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"code": "defmodule Spreadsheet do\n @spec init_(rows :: integer) :: any\n def init_(rows) do\n \n end\n\n @spec set_cell(cell :: String.t, value :: integer) :: any\n def set_cell(cell, value) do\n \n end\n\n @spec reset_cell(cell :: String.t) :: any\n def reset_cell(cell) do\n \n end\n\n @spec get_value(formula :: String.t) :: integer\n def get_value(formula) do\n \n end\nend\n\n# Your functions will be called as such:\n# Spreadsheet.init_(rows)\n# Spreadsheet.set_cell(cell, value)\n# Spreadsheet.reset_cell(cell)\n# param_3 = Spreadsheet.get_value(formula)\n\n# Spreadsheet.init_ will be called before every test case, in which you can do some necessary initializations.",
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"code": "class Spreadsheet {\n init(rows: Int64) {\n\n }\n \n func setCell(cell: String, value: Int64): Unit {\n\n }\n \n func resetCell(cell: String): Unit {\n\n }\n \n func getValue(formula: String): Int64 {\n\n }\n}\n\n/**\n * Your Spreadsheet object will be instantiated and called as such:\n * let obj: Spreadsheet = Spreadsheet(rows)\n * obj.setCell(cell,value)\n * obj.resetCell(cell)\n * let param_3 = obj.getValue(formula)\n */",
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"hints": [
|
||
"Use a hashmap to represent the cells, where the key is the cell reference (e.g., <code>\"A1\"</code>) and the value is the integer stored in the cell.",
|
||
"For <code>setCell</code>, simply assign the given value to the specified cell in the hashmap.",
|
||
"For <code>resetCell</code>, set the value of the specified cell to <code>0</code> in the hashmap.",
|
||
"For <code>getValue</code>, find the values of the operands from the hashmap and return their sum."
|
||
],
|
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|
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|
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"sampleTestCase": "[\"Spreadsheet\",\"getValue\",\"setCell\",\"getValue\",\"setCell\",\"getValue\",\"resetCell\",\"getValue\"]\n[[3],[\"=5+7\"],[\"A1\",10],[\"=A1+6\"],[\"B2\",15],[\"=A1+B2\"],[\"A1\"],[\"=A1+B2\"]]",
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