leetcode-problemset/leetcode-cn/originData/design-a-stack-with-increment-operation.json

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    "data": {
        "question": {
            "questionId": "1497",
            "questionFrontendId": "1381",
            "categoryTitle": "Algorithms",
            "boundTopicId": 146717,
            "title": "Design a Stack With Increment Operation",
            "titleSlug": "design-a-stack-with-increment-operation",
            "content": "<p>Design a stack that supports increment operations on its elements.</p>\n\n<p>Implement the <code>CustomStack</code> class:</p>\n\n<ul>\n\t<li><code>CustomStack(int maxSize)</code> Initializes the object with <code>maxSize</code> which is the maximum number of elements in the stack.</li>\n\t<li><code>void push(int x)</code> Adds <code>x</code> to the top of the stack if the stack has not reached the <code>maxSize</code>.</li>\n\t<li><code>int pop()</code> Pops and returns the top of the stack or <code>-1</code> if the stack is empty.</li>\n\t<li><code>void inc(int k, int val)</code> Increments the bottom <code>k</code> elements of the stack by <code>val</code>. If there are less than <code>k</code> elements in the stack, increment all the elements in the stack.</li>\n</ul>\n\n<p>&nbsp;</p>\n<p><strong class=\"example\">Example 1:</strong></p>\n\n<pre>\n<strong>Input</strong>\n[&quot;CustomStack&quot;,&quot;push&quot;,&quot;push&quot;,&quot;pop&quot;,&quot;push&quot;,&quot;push&quot;,&quot;push&quot;,&quot;increment&quot;,&quot;increment&quot;,&quot;pop&quot;,&quot;pop&quot;,&quot;pop&quot;,&quot;pop&quot;]\n[[3],[1],[2],[],[2],[3],[4],[5,100],[2,100],[],[],[],[]]\n<strong>Output</strong>\n[null,null,null,2,null,null,null,null,null,103,202,201,-1]\n<strong>Explanation</strong>\nCustomStack stk = new CustomStack(3); // Stack is Empty []\nstk.push(1);                          // stack becomes [1]\nstk.push(2);                          // stack becomes [1, 2]\nstk.pop();                            // return 2 --&gt; Return top of the stack 2, stack becomes [1]\nstk.push(2);                          // stack becomes [1, 2]\nstk.push(3);                          // stack becomes [1, 2, 3]\nstk.push(4);                          // stack still [1, 2, 3], Do not add another elements as size is 4\nstk.increment(5, 100);                // stack becomes [101, 102, 103]\nstk.increment(2, 100);                // stack becomes [201, 202, 103]\nstk.pop();                            // return 103 --&gt; Return top of the stack 103, stack becomes [201, 202]\nstk.pop();                            // return 202 --&gt; Return top of the stack 202, stack becomes [201]\nstk.pop();                            // return 201 --&gt; Return top of the stack 201, stack becomes []\nstk.pop();                            // return -1 --&gt; Stack is empty return -1.\n</pre>\n\n<p>&nbsp;</p>\n<p><strong>Constraints:</strong></p>\n\n<ul>\n\t<li><code>1 &lt;= maxSize, x, k &lt;= 1000</code></li>\n\t<li><code>0 &lt;= val &lt;= 100</code></li>\n\t<li>At most <code>1000</code> calls will be made to each method of <code>increment</code>, <code>push</code> and <code>pop</code> each separately.</li>\n</ul>\n",
            "translatedTitle": "设计一个支持增量操作的栈",
            "translatedContent": "<p>请你设计一个支持对其元素进行增量操作的栈。</p>\n\n<p>实现自定义栈类 <code>CustomStack</code> ：</p>\n\n<ul>\n\t<li><code>CustomStack(int maxSize)</code>：用 <code>maxSize</code> 初始化对象，<code>maxSize</code> 是栈中最多能容纳的元素数量。</li>\n\t<li><code>void push(int x)</code>：如果栈还未增长到 <code>maxSize</code> ，就将 <code>x</code> 添加到栈顶。</li>\n\t<li><code>int pop()</code>：弹出栈顶元素，并返回栈顶的值，或栈为空时返回 <strong>-1</strong> 。</li>\n\t<li><code>void inc(int k, int val)</code>：栈底的 <code>k</code> 个元素的值都增加 <code>val</code> 。如果栈中元素总数小于 <code>k</code> ，则栈中的所有元素都增加 <code>val</code> 。</li>\n</ul>\n\n<p>&nbsp;</p>\n\n<p><strong>示例：</strong></p>\n\n<pre>\n<strong>输入：</strong>\n[\"CustomStack\",\"push\",\"push\",\"pop\",\"push\",\"push\",\"push\",\"increment\",\"increment\",\"pop\",\"pop\",\"pop\",\"pop\"]\n[[3],[1],[2],[],[2],[3],[4],[5,100],[2,100],[],[],[],[]]\n<strong>输出：</strong>\n[null,null,null,2,null,null,null,null,null,103,202,201,-1]\n<strong>解释：</strong>\nCustomStack stk = new CustomStack(3); // 栈是空的 []\nstk.push(1);                          // 栈变为 [1]\nstk.push(2);                          // 栈变为 [1, 2]\nstk.pop();                            // 返回 2 --&gt; 返回栈顶值 2，栈变为 [1]\nstk.push(2);                          // 栈变为 [1, 2]\nstk.push(3);                          // 栈变为 [1, 2, 3]\nstk.push(4);                          // 栈仍然是 [1, 2, 3]，不能添加其他元素使栈大小变为 4\nstk.increment(5, 100);                // 栈变为 [101, 102, 103]\nstk.increment(2, 100);                // 栈变为 [201, 202, 103]\nstk.pop();                            // 返回 103 --&gt; 返回栈顶值 103，栈变为 [201, 202]\nstk.pop();                            // 返回 202 --&gt; 返回栈顶值 202，栈变为 [201]\nstk.pop();                            // 返回 201 --&gt; 返回栈顶值 201，栈变为 []\nstk.pop();                            // 返回 -1 --&gt; 栈为空，返回 -1\n</pre>\n\n<p>&nbsp;</p>\n\n<p><strong>提示：</strong></p>\n\n<ul>\n\t<li><code>1 &lt;= maxSize, x, k &lt;= 1000</code></li>\n\t<li><code>0 &lt;= val &lt;= 100</code></li>\n\t<li>每种方法 <code>increment</code>，<code>push</code> 以及 <code>pop</code> 分别最多调用 <code>1000</code> 次</li>\n</ul>\n",
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                    "lang": "C++",
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                    "code": "class CustomStack {\npublic:\n    CustomStack(int maxSize) {\n\n    }\n    \n    void push(int x) {\n\n    }\n    \n    int pop() {\n\n    }\n    \n    void increment(int k, int val) {\n\n    }\n};\n\n/**\n * Your CustomStack object will be instantiated and called as such:\n * CustomStack* obj = new CustomStack(maxSize);\n * obj->push(x);\n * int param_2 = obj->pop();\n * obj->increment(k,val);\n */",
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                    "code": "class CustomStack {\n\n    public CustomStack(int maxSize) {\n\n    }\n    \n    public void push(int x) {\n\n    }\n    \n    public int pop() {\n\n    }\n    \n    public void increment(int k, int val) {\n\n    }\n}\n\n/**\n * Your CustomStack object will be instantiated and called as such:\n * CustomStack obj = new CustomStack(maxSize);\n * obj.push(x);\n * int param_2 = obj.pop();\n * obj.increment(k,val);\n */",
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                    "lang": "Python",
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                    "code": "class CustomStack(object):\n\n    def __init__(self, maxSize):\n        \"\"\"\n        :type maxSize: int\n        \"\"\"\n\n\n    def push(self, x):\n        \"\"\"\n        :type x: int\n        :rtype: None\n        \"\"\"\n\n\n    def pop(self):\n        \"\"\"\n        :rtype: int\n        \"\"\"\n\n\n    def increment(self, k, val):\n        \"\"\"\n        :type k: int\n        :type val: int\n        :rtype: None\n        \"\"\"\n\n\n\n# Your CustomStack object will be instantiated and called as such:\n# obj = CustomStack(maxSize)\n# obj.push(x)\n# param_2 = obj.pop()\n# obj.increment(k,val)",
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                    "lang": "Python3",
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                    "code": "class CustomStack:\n\n    def __init__(self, maxSize: int):\n\n\n    def push(self, x: int) -> None:\n\n\n    def pop(self) -> int:\n\n\n    def increment(self, k: int, val: int) -> None:\n\n\n\n# Your CustomStack object will be instantiated and called as such:\n# obj = CustomStack(maxSize)\n# obj.push(x)\n# param_2 = obj.pop()\n# obj.increment(k,val)",
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                    "code": "\n\n\ntypedef struct {\n    \n} CustomStack;\n\n\nCustomStack* customStackCreate(int maxSize) {\n    \n}\n\nvoid customStackPush(CustomStack* obj, int x) {\n    \n}\n\nint customStackPop(CustomStack* obj) {\n    \n}\n\nvoid customStackIncrement(CustomStack* obj, int k, int val) {\n    \n}\n\nvoid customStackFree(CustomStack* obj) {\n    \n}\n\n/**\n * Your CustomStack struct will be instantiated and called as such:\n * CustomStack* obj = customStackCreate(maxSize);\n * customStackPush(obj, x);\n \n * int param_2 = customStackPop(obj);\n \n * customStackIncrement(obj, k, val);\n \n * customStackFree(obj);\n*/",
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                    "lang": "C#",
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                    "code": "public class CustomStack {\n\n    public CustomStack(int maxSize) {\n\n    }\n    \n    public void Push(int x) {\n\n    }\n    \n    public int Pop() {\n\n    }\n    \n    public void Increment(int k, int val) {\n\n    }\n}\n\n/**\n * Your CustomStack object will be instantiated and called as such:\n * CustomStack obj = new CustomStack(maxSize);\n * obj.Push(x);\n * int param_2 = obj.Pop();\n * obj.Increment(k,val);\n */",
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                    "code": "/**\n * @param {number} maxSize\n */\nvar CustomStack = function(maxSize) {\n\n};\n\n/** \n * @param {number} x\n * @return {void}\n */\nCustomStack.prototype.push = function(x) {\n\n};\n\n/**\n * @return {number}\n */\nCustomStack.prototype.pop = function() {\n\n};\n\n/** \n * @param {number} k \n * @param {number} val\n * @return {void}\n */\nCustomStack.prototype.increment = function(k, val) {\n\n};\n\n/**\n * Your CustomStack object will be instantiated and called as such:\n * var obj = new CustomStack(maxSize)\n * obj.push(x)\n * var param_2 = obj.pop()\n * obj.increment(k,val)\n */",
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                    "code": "class CustomStack {\n    constructor(maxSize: number) {\n        \n    }\n\n    push(x: number): void {\n        \n    }\n\n    pop(): number {\n        \n    }\n\n    increment(k: number, val: number): void {\n        \n    }\n}\n\n/**\n * Your CustomStack object will be instantiated and called as such:\n * var obj = new CustomStack(maxSize)\n * obj.push(x)\n * var param_2 = obj.pop()\n * obj.increment(k,val)\n */",
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                    "code": "class CustomStack {\n    /**\n     * @param Integer $maxSize\n     */\n    function __construct($maxSize) {\n\n    }\n\n    /**\n     * @param Integer $x\n     * @return NULL\n     */\n    function push($x) {\n\n    }\n\n    /**\n     * @return Integer\n     */\n    function pop() {\n\n    }\n\n    /**\n     * @param Integer $k\n     * @param Integer $val\n     * @return NULL\n     */\n    function increment($k, $val) {\n\n    }\n}\n\n/**\n * Your CustomStack object will be instantiated and called as such:\n * $obj = CustomStack($maxSize);\n * $obj->push($x);\n * $ret_2 = $obj->pop();\n * $obj->increment($k, $val);\n */",
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                    "lang": "Swift",
                    "langSlug": "swift",
                    "code": "\nclass CustomStack {\n\n    init(_ maxSize: Int) {\n\n    }\n    \n    func push(_ x: Int) {\n\n    }\n    \n    func pop() -> Int {\n\n    }\n    \n    func increment(_ k: Int, _ val: Int) {\n\n    }\n}\n\n/**\n * Your CustomStack object will be instantiated and called as such:\n * let obj = CustomStack(maxSize)\n * obj.push(x)\n * let ret_2: Int = obj.pop()\n * obj.increment(k, val)\n */",
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                    "lang": "Kotlin",
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                    "code": "class CustomStack(maxSize: Int) {\n\n    fun push(x: Int) {\n\n    }\n\n    fun pop(): Int {\n\n    }\n\n    fun increment(k: Int, `val`: Int) {\n\n    }\n\n}\n\n/**\n * Your CustomStack object will be instantiated and called as such:\n * var obj = CustomStack(maxSize)\n * obj.push(x)\n * var param_2 = obj.pop()\n * obj.increment(k,`val`)\n */",
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                    "code": "class CustomStack {\n\n  CustomStack(int maxSize) {\n    \n  }\n  \n  void push(int x) {\n    \n  }\n  \n  int pop() {\n    \n  }\n  \n  void increment(int k, int val) {\n    \n  }\n}\n\n/**\n * Your CustomStack object will be instantiated and called as such:\n * CustomStack obj = CustomStack(maxSize);\n * obj.push(x);\n * int param2 = obj.pop();\n * obj.increment(k,val);\n */",
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                    "lang": "Go",
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                    "code": "type CustomStack struct {\n\n}\n\n\nfunc Constructor(maxSize int) CustomStack {\n\n}\n\n\nfunc (this *CustomStack) Push(x int)  {\n\n}\n\n\nfunc (this *CustomStack) Pop() int {\n\n}\n\n\nfunc (this *CustomStack) Increment(k int, val int)  {\n\n}\n\n\n/**\n * Your CustomStack object will be instantiated and called as such:\n * obj := Constructor(maxSize);\n * obj.Push(x);\n * param_2 := obj.Pop();\n * obj.Increment(k,val);\n */",
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                    "lang": "Ruby",
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                    "code": "class CustomStack\n\n=begin\n    :type max_size: Integer\n=end\n    def initialize(max_size)\n\n    end\n\n\n=begin\n    :type x: Integer\n    :rtype: Void\n=end\n    def push(x)\n\n    end\n\n\n=begin\n    :rtype: Integer\n=end\n    def pop()\n\n    end\n\n\n=begin\n    :type k: Integer\n    :type val: Integer\n    :rtype: Void\n=end\n    def increment(k, val)\n\n    end\n\n\nend\n\n# Your CustomStack object will be instantiated and called as such:\n# obj = CustomStack.new(max_size)\n# obj.push(x)\n# param_2 = obj.pop()\n# obj.increment(k, val)",
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                    "lang": "Scala",
                    "langSlug": "scala",
                    "code": "class CustomStack(_maxSize: Int) {\n\n    def push(x: Int) {\n\n    }\n\n    def pop(): Int = {\n\n    }\n\n    def increment(k: Int, `val`: Int) {\n\n    }\n\n}\n\n/**\n * Your CustomStack object will be instantiated and called as such:\n * var obj = new CustomStack(maxSize)\n * obj.push(x)\n * var param_2 = obj.pop()\n * obj.increment(k,`val`)\n */",
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                    "code": "struct CustomStack {\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 CustomStack {\n\n    fn new(maxSize: i32) -> Self {\n\n    }\n    \n    fn push(&self, x: i32) {\n\n    }\n    \n    fn pop(&self) -> i32 {\n\n    }\n    \n    fn increment(&self, k: i32, val: i32) {\n\n    }\n}\n\n/**\n * Your CustomStack object will be instantiated and called as such:\n * let obj = CustomStack::new(maxSize);\n * obj.push(x);\n * let ret_2: i32 = obj.pop();\n * obj.increment(k, val);\n */",
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                    "lang": "Racket",
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                    "code": "(define custom-stack%\n  (class object%\n    (super-new)\n    \n    ; max-size : exact-integer?\n    (init-field\n      max-size)\n    \n    ; push : exact-integer? -> void?\n    (define/public (push x)\n      )\n    ; pop : -> exact-integer?\n    (define/public (pop)\n      )\n    ; increment : exact-integer? exact-integer? -> void?\n    (define/public (increment k val)\n      )))\n\n;; Your custom-stack% object will be instantiated and called as such:\n;; (define obj (new custom-stack% [max-size max-size]))\n;; (send obj push x)\n;; (define param_2 (send obj pop))\n;; (send obj increment k val)",
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                    "code": "-spec custom_stack_init_(MaxSize :: integer()) -> any().\ncustom_stack_init_(MaxSize) ->\n  .\n\n-spec custom_stack_push(X :: integer()) -> any().\ncustom_stack_push(X) ->\n  .\n\n-spec custom_stack_pop() -> integer().\ncustom_stack_pop() ->\n  .\n\n-spec custom_stack_increment(K :: integer(), Val :: integer()) -> any().\ncustom_stack_increment(K, Val) ->\n  .\n\n\n%% Your functions will be called as such:\n%% custom_stack_init_(MaxSize),\n%% custom_stack_push(X),\n%% Param_2 = custom_stack_pop(),\n%% custom_stack_increment(K, Val),\n\n%% custom_stack_init_ will be called before every test case, in which you can do some necessary initializations.",
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                    "code": "defmodule CustomStack do\n  @spec init_(max_size :: integer) :: any\n  def init_(max_size) do\n    \n  end\n\n  @spec push(x :: integer) :: any\n  def push(x) do\n    \n  end\n\n  @spec pop() :: integer\n  def pop() do\n    \n  end\n\n  @spec increment(k :: integer, val :: integer) :: any\n  def increment(k, val) do\n    \n  end\nend\n\n# Your functions will be called as such:\n# CustomStack.init_(max_size)\n# CustomStack.push(x)\n# param_2 = CustomStack.pop()\n# CustomStack.increment(k, val)\n\n# CustomStack.init_ will be called before every test case, in which you can do some necessary initializations.",
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                "Use an array to represent the stack. Push will add new integer to the array. Pop removes the last element in the array and increment will add val to the first k elements of the array.",
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