| | | 1 | | // -------------------------------------------------------------------------------- |
| | | 2 | | // Copyright (C) 2025 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 | | using System.Text; |
| | | 13 | | |
| | | 14 | | namespace LeetCode.Algorithms.CapitalizeTheTitle; |
| | | 15 | | |
| | | 16 | | /// <inheritdoc /> |
| | | 17 | | public class CapitalizeTheTitleStringBuilder : ICapitalizeTheTitle |
| | | 18 | | { |
| | | 19 | | /// <summary> |
| | | 20 | | /// Time complexity - O(n) |
| | | 21 | | /// Space complexity - O(n) |
| | | 22 | | /// </summary> |
| | | 23 | | /// <param name="title"></param> |
| | | 24 | | /// <returns></returns> |
| | | 25 | | public string CapitalizeTitle(string title) |
| | 3 | 26 | | { |
| | 3 | 27 | | var resultStringBuilder = new StringBuilder(); |
| | | 28 | | |
| | 3 | 29 | | var words = title.Split(' '); |
| | | 30 | | |
| | 22 | 31 | | for (var i = 0; i < words.Length - 1; i++) |
| | 8 | 32 | | { |
| | 8 | 33 | | resultStringBuilder.Append(CapitalizeWord(words[i])); |
| | 8 | 34 | | resultStringBuilder.Append(' '); |
| | 8 | 35 | | } |
| | | 36 | | |
| | 3 | 37 | | resultStringBuilder.Append(CapitalizeWord(words[^1])); |
| | | 38 | | |
| | 3 | 39 | | return resultStringBuilder.ToString(); |
| | 3 | 40 | | } |
| | | 41 | | |
| | | 42 | | private static char[] CapitalizeWord(string word) |
| | 11 | 43 | | { |
| | 11 | 44 | | if (word.Length > 2) |
| | 9 | 45 | | { |
| | 9 | 46 | | var resultWord = new char[word.Length]; |
| | | 47 | | |
| | 9 | 48 | | resultWord[0] = char.ToUpper(word[0]); |
| | | 49 | | |
| | 98 | 50 | | for (var i = 1; i < word.Length; i++) |
| | 40 | 51 | | { |
| | 40 | 52 | | resultWord[i] = char.ToLower(word[i]); |
| | 40 | 53 | | } |
| | | 54 | | |
| | 9 | 55 | | return resultWord; |
| | | 56 | | } |
| | | 57 | | else |
| | 2 | 58 | | { |
| | 2 | 59 | | var resultWord = new char[word.Length]; |
| | | 60 | | |
| | 10 | 61 | | for (var i = 0; i < word.Length; i++) |
| | 3 | 62 | | { |
| | 3 | 63 | | resultWord[i] = char.ToLower(word[i]); |
| | 3 | 64 | | } |
| | | 65 | | |
| | 2 | 66 | | return resultWord; |
| | | 67 | | } |
| | 11 | 68 | | } |
| | | 69 | | } |