| | | 1 | | // -------------------------------------------------------------------------------- |
| | | 2 | | // Copyright (C) 2026 Eugene Eremeev (also known as Yevhenii Yeriemeieiv). |
| | | 3 | | // All Rights Reserved. |
| | | 4 | | // -------------------------------------------------------------------------------- |
| | | 5 | | // This software is the confidential and proprietary information of Eugene Eremeev |
| | | 6 | | // (also known as Yevhenii Yeriemeieiv) ("Confidential Information"). You shall not |
| | | 7 | | // disclose such Confidential Information and shall use it only in accordance with |
| | | 8 | | // the terms of the license agreement you entered into with Eugene Eremeev (also |
| | | 9 | | // known as Yevhenii Yeriemeieiv). |
| | | 10 | | // -------------------------------------------------------------------------------- |
| | | 11 | | |
| | | 12 | | namespace LeetCode.Algorithms.DesignStackWithIncrementOperation; |
| | | 13 | | |
| | | 14 | | /// <inheritdoc /> |
| | | 15 | | public sealed class DesignStackWithIncrementOperationArray : IDesignStackWithIncrementOperation |
| | | 16 | | { |
| | | 17 | | private readonly int[] _stackArray; |
| | 5 | 18 | | private int _topIndex = -1; |
| | | 19 | | |
| | 5 | 20 | | public DesignStackWithIncrementOperationArray(int maxSize) |
| | 5 | 21 | | { |
| | 5 | 22 | | _stackArray = new int[maxSize]; |
| | 5 | 23 | | } |
| | | 24 | | |
| | | 25 | | /// <summary> |
| | | 26 | | /// Time complexity - O(1) |
| | | 27 | | /// Space complexity - O(1) |
| | | 28 | | /// </summary> |
| | | 29 | | /// <param name="x"></param> |
| | | 30 | | public void Push(int x) |
| | 12 | 31 | | { |
| | 12 | 32 | | if (_topIndex >= _stackArray.Length - 1) |
| | 2 | 33 | | { |
| | 2 | 34 | | return; |
| | | 35 | | } |
| | | 36 | | |
| | 10 | 37 | | _topIndex++; |
| | | 38 | | |
| | 10 | 39 | | _stackArray[_topIndex] = x; |
| | 12 | 40 | | } |
| | | 41 | | |
| | | 42 | | /// <summary> |
| | | 43 | | /// Time complexity - O(1) |
| | | 44 | | /// Space complexity - O(1) |
| | | 45 | | /// </summary> |
| | | 46 | | /// <returns></returns> |
| | | 47 | | public int Pop() |
| | 13 | 48 | | { |
| | 13 | 49 | | if (_topIndex < 0) |
| | 3 | 50 | | { |
| | 3 | 51 | | return -1; |
| | | 52 | | } |
| | | 53 | | |
| | 10 | 54 | | return _stackArray[_topIndex--]; |
| | 13 | 55 | | } |
| | | 56 | | |
| | | 57 | | /// <summary> |
| | | 58 | | /// Time complexity - O(min(k,n)) |
| | | 59 | | /// Space complexity - O(1) |
| | | 60 | | /// </summary> |
| | | 61 | | /// <param name="k"></param> |
| | | 62 | | /// <param name="val"></param> |
| | | 63 | | public void Increment(int k, int val) |
| | 4 | 64 | | { |
| | 22 | 65 | | for (var i = 0; i < Math.Min(k, _topIndex + 1); i++) |
| | 7 | 66 | | { |
| | 7 | 67 | | _stackArray[i] += val; |
| | 7 | 68 | | } |
| | 4 | 69 | | } |
| | | 70 | | } |