回答編集履歴
2
2
answer
CHANGED
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@@ -25,4 +25,34 @@
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25
25
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if (!in_array($a['color'],$colors)) echo $i . ":" . $a['color'] . "\n";
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26
26
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if (!in_array($a['number'],$numbers)) echo $i . ":" . $a['number'] . "\n";
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27
27
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}
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28
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-
```
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28
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+
```
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29
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+
--- 追記 ---
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30
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+
コメントより
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31
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+
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32
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+
重複があるかどうかを判断するだけなら
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33
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+
```php
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34
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+
$ar = [];
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35
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foreach ($box as $i=>$a) {
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36
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if (!in_array($a['color'],$colors)) echo $i . ":" . $a['color'] . "\n";
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37
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if (!in_array($a['number'],$numbers)) echo $i . ":" . $a['number'] . "\n";
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38
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$ar[] = $a['color'] . $a['number'];
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39
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}
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40
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if (count($a) > count(array_unique($ar))) {
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41
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echo "重複あり";
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42
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}
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43
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```
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44
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+
どれが重複してるかだしたいなら
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45
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+
```php
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46
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$ar = [];
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47
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foreach ($box as $i=>$a) {
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48
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if (!in_array($a['color'],$colors)) echo $i . ":" . $a['color'] . "\n";
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49
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if (!in_array($a['number'],$numbers)) echo $i . ":" . $a['number'] . "\n";
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50
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$ar[] = $a['color'] . ',' . $a['number'];
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51
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}
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52
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foreach (array_count_values($ar) as $k=>$n) {
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53
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if($n > 1) {
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54
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[$color,$number] = explode(',',$k);
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55
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echo 'color=' . $color . " number=" . $number . " は重複しています。"
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56
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}
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57
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}
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58
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```
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1
1
answer
CHANGED
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@@ -17,4 +17,12 @@
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17
17
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if (!in_array($n,$numbers)) echo $i . ":" . $n . "\n";
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18
18
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}
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19
19
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```
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20
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-
意図とちがうかもしれませんが…
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20
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+
意図とちがうかもしれませんが…
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21
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--- 追記 ---
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22
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素直にやるならこうかなあ
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23
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```php
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24
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foreach ($box as $i=>$a) {
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25
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if (!in_array($a['color'],$colors)) echo $i . ":" . $a['color'] . "\n";
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26
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if (!in_array($a['number'],$numbers)) echo $i . ":" . $a['number'] . "\n";
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27
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}
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28
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```
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