{"author_name":"mtbr","html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Fmtbr.hatenadiary.org%2Fentry%2F20060617%2Fperlhsequence\" title=\" h-sequence  - mtbr\u306e\u65e5\u8a18\" class=\"embed-card embed-blogcard\" scrolling=\"no\" frameborder=\"0\" style=\"display: block; width: 100%; height: 190px; max-width: 500px; margin: 10px 0px;\"></iframe>","blog_url":"https://mtbr.hatenadiary.org/","version":"1.0","title":" h-sequence ","provider_url":"https://hatena.blog","type":"rich","provider_name":"Hatena Blog","categories":["perl"],"blog_title":"mtbr\u306e\u65e5\u8a18","published":"2006-06-17 00:00:00","image_url":null,"width":"100%","url":"https://mtbr.hatenadiary.org/entry/20060617/perlhsequence","height":"190","author_url":"https://blog.hatena.ne.jp/mtbr/","description":"\u4e0b\u8a18\u306e\u69cb\u6587\u306b\u3057\u305f\u304c\u3063\u3066\u3001\u53d7\u7406\u975e\u53d7\u7406\u3092\u6c7a\u5b9a h = 0 | 1 h h LL(1)\u6587\u6cd5\u3067\u3042\u308a\u30011\u6587\u5b57\u5148\u8aad\u307f\u3067\u6c7a\u5b9a\u7684\uff08\u30d0\u30c3\u30af\u30c8\u30e9\u30c3\u30af\u306a\u3057\uff09\u3067\u89e3\u6790\u3092\u9032\u3081\u308b\u3053\u3068\u304c\u3067\u304d\u308b\u3002 use strict; use warnings; my @a = grep /[01]/, split //, scalar <STDIN>; sub f($$); sub f($$) { my ( $n, $p ) = @_; print \"$a[$n] $n $p\\n\"; scalar <STDIN>; if ( $n == $#a ) { return $p <strike> 0 && $a[$n] </strike> 0;\u2026"}