{"id":11828,"date":"2013-08-19T11:28:48","date_gmt":"2013-08-19T02:28:48","guid":{"rendered":"http:\/\/www.softantenna.com\/wp\/?p=11828"},"modified":"2013-08-19T11:30:36","modified_gmt":"2013-08-19T02:30:36","slug":"fizzbuzz-in-c-without-for-and-if","status":"publish","type":"post","link":"https:\/\/softantenna.com\/blog\/fizzbuzz-in-c-without-for-and-if\/","title":{"rendered":"for\u3068if\u3092\u4f7f\u308f\u306a\u3044C\u8a00\u8a9e\u306b\u3088\u308b\u300cFizzBuzz\u300d\u306e\u89e3\u6cd5\u304c\u96e3\u89e3\u306a\u4ef6"},"content":{"rendered":"<p><img decoding=\"async\" src=\"https:\/\/softantenna.com\/blog\/wp-content\/uploads\/2013\/08\/blogcode.png\" alt=\"Code\" title=\"code.png\" border=\"0\" width=\"560\" height=\"323\" \/><\/p>\n<p>\u300c<a href=\"http:\/\/ja.wikipedia.org\/wiki\/Fizz_Buzz\">FizzBuzz<\/a>\u300d\u3068\u306f\u30d7\u30ed\u30b0\u30e9\u30de\u30fc\u306e\u7d20\u990a\u3092\u30c6\u30b9\u30c8\u3059\u308b\u3053\u3068\u306b\u4f7f\u308f\u308c\u305f\u308a\u3059\u308b\u7c21\u5358\u306a\u554f\u984c\u306e\u3053\u3068\u3002\u554f\u984c\u306e\u6027\u8cea\u7684\u306bif\u3068\u304bfor\u3092\u4f7f\u3063\u3066\u89e3\u304f\u306e\u304c\u666e\u901a\u306a\u3093\u3067\u3059\u3051\u3069\u3001<a href=\"http:\/\/dysfunctionalprogramming.co.uk\/blog\/2013\/08\/15\/fizzbuzz-in-c-without-conditional-statements\/\">FizzBuzz in C Without Conditional Statements<\/a>\u3067\u7d39\u4ecb\u3055\u308c\u3066\u3044\u308b\u89e3\u6cd5\u306f\u304b\u306a\u308a\u30e6\u30cb\u30fc\u30af\u3067\u3001if\u3068for\u6587\u3092\u5168\u304f\u4f7f\u3063\u3066\u3044\u307e\u305b\u3093\u3002<!--more--><\/p>\n<pre><code class=\"c\">int i(const int i) { printf(\"%d\\n\", i); return i; }\nint f(const int i) { printf(\"Fizz\\n\"); return i; }\nint b(const int i) { printf(\"Buzz\\n\"); return i; }\nint fb(const int i) { printf(\"FizzBuzz\\n\"); return i; }\nint (* PC[15])(int i) = {i,i,f,i,b,f,i,i,f,b,i,f,i,i,fb}; \/\/ Printer Cycle\n\nint go(const int arg) {\n  return PC[(arg - 1) % 15](arg) + 1;\n}\n\nint stop(const int arg) {\n  PC[(arg - 1) % 15](arg);\n  exit(0);\n}\n\nint (* LC[2]) (int index) = { go, stop }; \/\/ Logic Cycle\n\nvoid recurse(const int i, const int kill_num) {\n  recurse(LC[!(i % kill_num)](i), kill_num);\n}\n\nint main(const int argc, const char *argv[]) {\n  recurse(1, atoi(argv[1]));\n}\n<\/code><\/pre>\n<p>\u518d\u5e30\u3068\u95a2\u6570\u30dd\u30a4\u30f3\u30bf\u3092\u99c6\u4f7f\u3057\u3066\u3044\u307e\u3059\u3002C\u8a00\u8a9e\u306e\u95a2\u6570\u30dd\u30a4\u30f3\u30bf\u306b\u6163\u308c\u3066\u3044\u306a\u3044\u3068(\u6163\u308c\u3066\u3044\u3066\u3082?)\u304b\u306a\u308a\u96e3\u89e3\u306a\u30d7\u30ed\u30b0\u30e9\u30e0\u304b\u3082\u3002\u982d\u306e\u4f53\u64cd\u306b\u306f\u306a\u308a\u305d\u3046\u3067\u3059\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u300cFizzBuzz\u300d\u3068\u306f\u30d7\u30ed\u30b0\u30e9\u30de\u30fc\u306e\u7d20\u990a\u3092\u30c6\u30b9\u30c8\u3059\u308b\u3053\u3068\u306b\u4f7f\u308f\u308c\u305f\u308a\u3059\u308b\u7c21\u5358\u306a\u554f\u984c\u306e\u3053\u3068\u3002\u554f\u984c\u306e\u6027\u8cea\u7684\u306bif\u3068\u304bfor\u3092\u4f7f\u3063\u3066\u89e3\u304f\u306e\u304c\u666e\u901a\u306a\u3093\u3067\u3059\u3051\u3069\u3001FizzBuzz in C Without Conditional [&hellip;]<\/p>\n","protected":false},"author":2,"featured_media":11827,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"swell_btn_cv_data":"","footnotes":""},"categories":[75],"tags":[659],"class_list":["post-11828","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-software","tag-fizzbuzz"],"_links":{"self":[{"href":"https:\/\/softantenna.com\/blog\/wp-json\/wp\/v2\/posts\/11828","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/softantenna.com\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/softantenna.com\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/softantenna.com\/blog\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/softantenna.com\/blog\/wp-json\/wp\/v2\/comments?post=11828"}],"version-history":[{"count":0,"href":"https:\/\/softantenna.com\/blog\/wp-json\/wp\/v2\/posts\/11828\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/softantenna.com\/blog\/wp-json\/wp\/v2\/media\/11827"}],"wp:attachment":[{"href":"https:\/\/softantenna.com\/blog\/wp-json\/wp\/v2\/media?parent=11828"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/softantenna.com\/blog\/wp-json\/wp\/v2\/categories?post=11828"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/softantenna.com\/blog\/wp-json\/wp\/v2\/tags?post=11828"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}