回答編集履歴
1
片方開始タグ忘れてた
test
CHANGED
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@@ -36,6 +36,8 @@
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36
36
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37
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```php
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39
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+
<?php
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40
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+
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fscanf(STDIN, "%d %d", $a, $b);
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echo $a - $b;
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