回答編集履歴
3
シフトアップ・ダウンのタイミングで数列を出力してなかった
test
CHANGED
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@@ -44,8 +44,6 @@
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44
44
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45
45
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heap.AddRange(new[] { 21, 99, 38, 8, 16 });
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46
46
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47
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-
Console.WriteLine(heap);
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48
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-
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49
47
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}
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50
48
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51
49
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}
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@@ -66,15 +64,21 @@
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66
64
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67
65
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num = num.Append(value).ToArray();
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68
66
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69
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-
var
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67
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+
var current = num.Length - 1;
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70
68
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69
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+
var parent = current / 2;
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70
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+
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71
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-
while (
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71
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while (current > 0 && num[parent] > num[current])
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72
72
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73
73
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{
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74
74
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75
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-
(num[
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75
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+
(num[parent], num[current]) = (num[current], num[parent]);
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76
76
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77
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+
current = parent;
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78
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+
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77
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-
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79
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parent /= 2;
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80
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+
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81
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+
Console.WriteLine(this);
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78
82
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79
83
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}
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80
84
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2
追記
test
CHANGED
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@@ -11,3 +11,97 @@
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11
11
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12
12
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13
13
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定義によっては可能、また他の要素を持たないとは書いていないため、誤った回答として撤回します。
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14
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+
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15
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+
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16
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+
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17
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+
### 追記
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18
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19
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20
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21
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```C#
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22
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23
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+
using System;
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24
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+
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25
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using System.Collections.Generic;
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26
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27
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using System.Linq;
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28
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+
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29
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+
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30
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+
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31
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+
namespace ConsoleApp1
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32
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+
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33
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{
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34
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+
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35
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+
class Program
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36
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+
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37
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{
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38
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+
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39
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static void Main()
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40
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+
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41
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{
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42
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+
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43
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var heap = new Heap();
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44
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45
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heap.AddRange(new[] { 21, 99, 38, 8, 16 });
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46
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+
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47
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Console.WriteLine(heap);
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48
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49
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}
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50
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+
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51
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}
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52
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53
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54
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+
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55
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class Heap
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56
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57
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{
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58
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59
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private int[] num = new int[0];
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60
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+
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61
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62
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63
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public void Add(int value)
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64
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65
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{
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66
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+
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67
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num = num.Append(value).ToArray();
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68
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+
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69
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+
var i = num.Length - 1;
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70
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+
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71
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while (i > 0 && num[i / 2] > num[i])
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72
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+
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73
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{
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74
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75
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(num[i / 2], num[i]) = (num[i], num[i / 2]);
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76
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77
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i /= 2;
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78
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+
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79
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}
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80
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+
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81
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}
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82
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83
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+
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84
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85
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public void AddRange(IEnumerable<int> values)
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86
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87
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{
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88
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89
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foreach (var i in values) Add(i);
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90
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+
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91
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}
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92
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+
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93
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94
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95
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public override string ToString()
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96
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97
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{
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98
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99
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return string.Join(",", num);
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100
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+
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101
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}
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102
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103
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}
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104
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+
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105
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}
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106
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+
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107
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+
```
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1
追記
test
CHANGED
|
@@ -3,3 +3,11 @@
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3
3
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4
4
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5
5
|
不可能です。
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6
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+
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7
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+
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8
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+
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|
9
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+
### 追記
|
|
10
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+
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|
11
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+
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|
12
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+
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13
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+
定義によっては可能、また他の要素を持たないとは書いていないため、誤った回答として撤回します。
|