回答編集履歴
8
修正
test
CHANGED
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@@ -46,18 +46,4 @@
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46
46
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47
47
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}
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48
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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-
public static <T> boolean allEqual(List<T> arg1, List<T> arg2) {
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52
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-
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53
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-
for(int i = 0; i < arg1.size(); i++) {
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54
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-
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55
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-
if(arg1.get(i) != arg2.get(i)) return false;
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56
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-
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57
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-
}
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58
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-
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59
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-
return true;
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60
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-
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61
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-
}
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62
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-
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63
49
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```
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7
修正
test
CHANGED
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@@ -40,7 +40,7 @@
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40
40
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41
41
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myList = sortByLength(myList);
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42
42
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43
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-
if(!
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43
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+
if(!resultList.equals(myList)) System.exit(1);
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44
44
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45
45
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}
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46
46
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6
追記
test
CHANGED
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@@ -13,3 +13,51 @@
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13
13
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);
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14
14
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15
15
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```
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16
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+
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17
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+
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18
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+
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19
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+
---
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20
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+
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21
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+
ついでに、適当に組んだテストコードを晒してみる。
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22
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+
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23
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+
```Java
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24
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+
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25
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+
public static void main(String[] args) {
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26
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+
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27
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+
List<String> myList = new ArrayList<>(
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28
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+
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29
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+
Arrays.asList("airplane", "banana", "carrot", "apple", "dog", "egg")
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30
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+
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31
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+
);
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32
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+
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33
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+
List<String> resultList = new ArrayList<>(myList);
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34
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+
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35
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+
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36
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+
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37
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+
for(int i = 0; i < 100; i++) {
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38
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+
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39
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+
Collections.shuffle(myList);
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40
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+
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41
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+
myList = sortByLength(myList);
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42
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+
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43
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+
if(!allEqual(resultList, myList)) System.exit(1);
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44
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+
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45
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+
}
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46
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+
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47
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+
}
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48
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+
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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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+
public static <T> boolean allEqual(List<T> arg1, List<T> arg2) {
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52
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+
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53
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+
for(int i = 0; i < arg1.size(); i++) {
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54
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+
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55
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+
if(arg1.get(i) != arg2.get(i)) return false;
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56
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+
|
|
57
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+
}
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|
58
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+
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|
59
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+
return true;
|
|
60
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+
|
|
61
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+
}
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|
62
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+
|
|
63
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+
```
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5
さっきから編集ミスりすぎ
test
CHANGED
|
@@ -8,7 +8,7 @@
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8
8
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9
9
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? a.compareTo(b)
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10
10
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|
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11
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-
:
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11
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+
: b.length() - a.length()
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12
12
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|
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13
13
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);
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14
14
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4
バグを恐れて取り下げたが
test
CHANGED
|
File without changes
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3
バグがあったかと思って取り下げたが
test
CHANGED
|
File without changes
|
2
一旦もとに戻す
test
CHANGED
|
@@ -4,11 +4,11 @@
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4
4
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5
5
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input.sort(
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6
6
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|
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7
|
-
(a, b) ->
|
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7
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+
(a, b) -> a.length() == b.length()
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8
8
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9
9
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? a.compareTo(b)
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10
10
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|
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11
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-
:
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11
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+
: a.length() - b.length()
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12
12
|
|
|
13
13
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);
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14
14
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1
文字列に関する降順だったので。
test
CHANGED
|
@@ -4,11 +4,11 @@
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4
4
|
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|
5
5
|
input.sort(
|
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6
6
|
|
|
7
|
-
(a, b) ->
|
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7
|
+
(a, b) -> b.length() == a.length()
|
|
8
8
|
|
|
9
9
|
? a.compareTo(b)
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|
10
10
|
|
|
11
|
-
:
|
|
11
|
+
: b.length() - a.length()
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|
12
12
|
|
|
13
13
|
);
|
|
14
14
|
|