{"image_url":null,"description":"#include <stdio.h> int brackets(char *str) { int bra = 0; for (; *str; str++) { if (*str == '(') { ++bra; } else if (*str == ')') { if (--bra < 0) return 0; } } return !bra; } int main(int argc, char **argv) { puts(brackets(argc > 1? argv[1]: \"\")? \"good\": \"bad\"); return 0; } % cc brackets.c % ./a.ou\u2026","author_name":"javascripter","provider_url":"https://hatena.blog","type":"rich","url":"https://javascripter.hatenablog.com/entry/20090218/1234966398","categories":["c"],"title":"\u62ec\u5f27\u306e\u5bfe\u5fdc","width":"100%","author_url":"https://blog.hatena.ne.jp/javascripter/","blog_url":"https://javascripter.hatenablog.com/","published":"2009-02-18 23:13:18","blog_title":"\u7d20\u4eba\u304c\u30d7\u30ed\u30b0\u30e9\u30df\u30f3\u30b0\u3092\u52c9\u5f37\u3057\u3066\u3044\u305f\u30d6\u30ed\u30b0","height":"190","provider_name":"Hatena Blog","version":"1.0","html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Fjavascripter.hatenablog.com%2Fentry%2F20090218%2F1234966398\" title=\"\u62ec\u5f27\u306e\u5bfe\u5fdc - \u7d20\u4eba\u304c\u30d7\u30ed\u30b0\u30e9\u30df\u30f3\u30b0\u3092\u52c9\u5f37\u3057\u3066\u3044\u305f\u30d6\u30ed\u30b0\" class=\"embed-card embed-blogcard\" scrolling=\"no\" frameborder=\"0\" style=\"display: block; width: 100%; height: 190px; max-width: 500px; margin: 10px 0px;\"></iframe>"}