2019-03-31 11:00:21 +00:00
---
title: 『新版C言語プログラミングレッスン 入門編』第六章 for
author: kazu634
date: 2008-04-26
wordtwit_post_info:
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categories:
- C
---
< div class = "section" >
< p >
久しぶりなんだけど、がんばる。基本、わかるからはやくできそうだ。
< / p >
< h4 >
ネストが 1 の for
< / h4 >
< pre class = "syntax-highlight" >
< span class = "synPreProc" > #include < / span > < span class = "synConstant" > < stdio.h> < / span >
< span class = "synType" > int< / span > main(< span class = "synType" > void< / span > );
< span class = "synType" > int< / span > main(< span class = "synType" > void< / span > )
{
< span class = "synType" > int< / span > i;
< span class = "synStatement" > for< / span > (i = < span class = "synConstant" > < / span > ;i < < span class = "synConstant" > 10< / span > ;i++) {
printf (< span class = "synConstant" > " < / span > < span class = "synSpecial" > %d< / span > < span class = "synConstant" > の二乗は < / span > < span class = "synSpecial" > %d< / span > < span class = "synConstant" > で、" < / span > , i, i * i);
printf (< span class = "synConstant" > " 三乗は </ span >< span class = "synSpecial" > %d</ span >< span class = "synConstant" > です。</ span >< span class = "synSpecial" > \n</ span >< span class = "synConstant" > " </ span > , i * i * i);
}
< span class = "synStatement" > return< / span > (< span class = "synConstant" > < / span > );
}
< / pre >
< h4 >
ネストが 2 の for
< / h4 >
< pre class = "syntax-highlight" >
< span class = "synPreProc" > #include < / span > < span class = "synConstant" > < stdio.h> < / span >
< span class = "synType" > int< / span > main(< span class = "synType" > void< / span > );
< span class = "synType" > int< / span > main(< span class = "synType" > void< / span > )
{
< span class = "synType" > int< / span > i, j;
< span class = "synStatement" > for< / span > (i = < span class = "synConstant" > < / span > ;i < < span class = "synConstant" > 10< / span > ;i++) {
printf (< span class = "synConstant" > " < / span > < span class = "synSpecial" > %d< / span > < span class = "synConstant" > " < / span > , i);
< span class = "synStatement" > for< / span > (j = < span class = "synConstant" > < / span > ;j < i;j++) {
printf (< span class = "synConstant" > " *" < / span > );
}
printf (< span class = "synConstant" > " </ span >< span class = "synSpecial" > \n</ span >< span class = "synConstant" > " </ span > );
}
< span class = "synStatement" > return< / span > (< span class = "synConstant" > < / span > );
}
< / pre >
< h4 >
引数を表示する
< / h4 >
< pre class = "syntax-highlight" >
< span class = "synPreProc" > #include < / span > < span class = "synConstant" > < stdio.h> < / span >
< span class = "synType" > int< / span > main(< span class = "synType" > int< / span > argc, < span class = "synType" > char< / span > *argv[]);
< span class = "synType" > int< / span > main(< span class = "synType" > int< / span > argc, < span class = "synType" > char< / span > *argv[])
{
< span class = "synType" > int< / span > i;
printf (< span class = "synConstant" > " argc の値は </ span >< span class = "synSpecial" > %d</ span >< span class = "synConstant" > 個あります。</ span >< span class = "synSpecial" > \n</ span >< span class = "synConstant" > " </ span > , argc);
< span class = "synStatement" > for< / span > (i = < span class = "synConstant" > < / span > ;i < argc;i++) {
printf (< span class = "synConstant" > " argv[</ span >< span class = "synSpecial" > %d</ span >< span class = "synConstant" > ] の値は </ span >< span class = "synSpecial" > \" ;%s\" ;</ span >< span class = "synConstant" > です。</ span >< span class = "synSpecial" > \n</ span >< span class = "synConstant" > " </ span > , i, argv[i]);
}
< span class = "synStatement" > return< / span > (< span class = "synConstant" > < / span > );
}
< / pre >
< h4 >
練習問題
< / h4 >
< pre class = "syntax-highlight" >
< span class = "synPreProc" > #include < / span > < span class = "synConstant" > < stdio.h> < / span >
< span class = "synType" > int< / span > main(< span class = "synType" > void< / span > );
< span class = "synType" > int< / span > main(< span class = "synType" > void< / span > )
{
< span class = "synType" > int< / span > i, j;
< span class = "synStatement" > for< / span > (i = < span class = "synConstant" > < / span > ;i < < span class = "synConstant" > 9< / span > ;i++) {
printf (< span class = "synConstant" > " < / span > < span class = "synSpecial" > %d< / span > < span class = "synConstant" > " < / span > , i);
< span class = "synStatement" > for< / span > (j = < span class = "synConstant" > < / span > ;j < i * i;j++) {
printf (< span class = "synConstant" > " *" < / span > );
}
printf (< span class = "synConstant" > " </ span >< span class = "synSpecial" > \n</ span >< span class = "synConstant" > " </ span > );
}
< span class = "synStatement" > return< / span > (< span class = "synConstant" > < / span > );
}
< / pre >
2019-04-02 16:06:15 +00:00
< / div >
