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lines changed Original file line number Diff line number Diff line change 188
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< p class ="text-right "> < small >
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最終更新日時(UTC):
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- < span itemprop ="datePublished " content ="2025-04-30T03:55:14 ">
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- 2025年04月30日 03時55分14秒
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+ < span itemprop ="datePublished " content ="2025-05-03T03:05:02 ">
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+ 2025年05月03日 03時05分02秒
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</ span >
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< br />
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< span itemprop ="author " itemscope itemtype ="http://schema.org/Person ">
@@ -250,7 +250,7 @@ <h2>出力例</h2>
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isupper('\n') = 0
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isupper('0x0f') = 0
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</ code > </ pre > </ p >
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- < h2 > 実装例</ h2 >
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+ < h2 > 実装例(ASCII互換文字コードの場合) </ h2 >
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< p > < div class ="codehilite "> < pre > < span > </ span > < code > < span class ="kt "> int</ span > < span class ="nf "> isupper</ span > < span class ="p "> (</ span > < span class ="kt "> int</ span > < span class ="n "> ch</ span > < span class ="p "> )</ span > < span class ="p "> {</ span >
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< span class ="k "> return</ span > < span class ="n "> ch</ span > < span class ="o "> >=</ span > < span class ="sc "> 'A'</ span > < span class ="o "> &&</ span > < span class ="n "> ch</ span > < span class ="o "> <=</ span > < span class ="sc "> 'Z'</ span > < span class ="p "> ;</ span >
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< span class ="p "> }</ span >
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< p class ="text-right "> < small >
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最終更新日時(UTC):
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- < span itemprop ="datePublished " content ="2025-04-30T03:55:34 ">
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- 2025年04月30日 03時55分34秒
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+ < span itemprop ="datePublished " content ="2025-05-03T03:05:20 ">
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+ 2025年05月03日 03時05分20秒
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</ span >
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< br />
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< span itemprop ="author " itemscope itemtype ="http://schema.org/Person ">
@@ -242,7 +242,7 @@ <h2>出力例</h2>
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tolower('.') = .
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tolower('$') = $
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</ code > </ pre > </ p >
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- < h2 > 実装例</ h2 >
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+ < h2 > 実装例(ASCII互換文字コードの場合) </ h2 >
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< p > < div class ="codehilite "> < pre > < span > </ span > < code > < span class ="kt "> int</ span > < span class ="nf "> tolower</ span > < span class ="p "> (</ span > < span class ="kt "> int</ span > < span class ="n "> ch</ span > < span class ="p "> )</ span > < span class ="p "> {</ span >
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< span class ="k "> if</ span > < span class ="p "> (</ span > < span class ="n "> isupper</ span > < span class ="p "> (</ span > < span class ="n "> ch</ span > < span class ="p "> ))</ span > < span class ="p "> {</ span >
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< span class ="n "> ch</ span > < span class ="o "> ^=</ span > < span class ="mi "> 32</ span >
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< p class ="text-right "> < small >
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- < span itemprop ="datePublished " content ="2025-04-30T03:56:05 ">
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- 2025年04月30日 03時56分05秒
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+ < span itemprop ="datePublished " content ="2025-05-03T03:05:20 ">
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+ 2025年05月03日 03時05分20秒
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</ span >
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< br />
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< span itemprop ="author " itemscope itemtype ="http://schema.org/Person ">
@@ -242,7 +242,7 @@ <h2>出力例</h2>
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toupper('.') = .
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toupper('$') = $
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</ code > </ pre > </ p >
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- < h2 > 実装例</ h2 >
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+ < h2 > 実装例(ASCII互換文字コードの場合) </ h2 >
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< p > < div class ="codehilite "> < pre > < span > </ span > < code > < span class ="kt "> int</ span > < span class ="nf "> toupper</ span > < span class ="p "> (</ span > < span class ="kt "> int</ span > < span class ="n "> ch</ span > < span class ="p "> )</ span > < span class ="p "> {</ span >
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< span class ="k "> if</ span > < span class ="p "> (</ span > < span class ="n "> islower</ span > < span class ="p "> (</ span > < span class ="n "> ch</ span > < span class ="p "> ))</ span > < span class ="p "> {</ span >
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< span class ="n "> ch</ span > < span class ="o "> ^=</ span > < span class ="mi "> 32</ span > < span class ="p "> ;</ span >
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