{"version":"1.0","provider_url":"https://hatena.blog","image_url":"https://cdn-ak.f.st-hatena.com/images/fotolife/s/s-takaya1027/20220427/20220427005747.png","type":"rich","categories":[],"published":"2022-04-28 00:00:00","height":"190","title":"LeetCode Subsets\u3092\u89e3\u3044\u3066\u307f\u305f","author_name":"s-takaya1027","html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Ftakayasugiyama.com%2Fentry%2F2022%2F04%2F28%2F000000\" title=\"LeetCode Subsets\u3092\u89e3\u3044\u3066\u307f\u305f - \u4f55\u304b\u3084\u3063\u3066\u307f\u308b\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>","url":"https://takayasugiyama.com/entry/2022/04/28/000000","provider_name":"Hatena Blog","blog_url":"https://takayasugiyama.com/","blog_title":"\u4f55\u304b\u3084\u3063\u3066\u307f\u308b\u30d6\u30ed\u30b0","description":"\u554f\u984c leetcode.com \u89e3\u3044\u305f Array#combination\u3092\u4f7f\u3046\u3068\u3059\u3063\u304d\u308a\u89e3\u3051\u308b\u3002 docs.ruby-lang.org # @param {Integer[]} nums # @return {Integer[][]} def subsets(nums) result = [[]] nums.size.times do |i| result.concat nums.combination(i+1).to_a end result end \u7d50\u679c","author_url":"https://blog.hatena.ne.jp/s-takaya1027/","width":"100%"}