{"id":41736,"date":"2023-12-11T14:54:26","date_gmt":"2023-12-11T06:54:26","guid":{"rendered":"https:\/\/wx.kaifamiao.info\/?p=41736"},"modified":"2023-12-11T14:54:26","modified_gmt":"2023-12-11T06:54:26","slug":"1%e3%80%812%e3%80%813%e3%80%814%e3%80%815-%e8%83%bd%e7%bb%84%e6%88%90%e5%a4%9a%e5%b0%91%e4%b8%aa%e4%ba%92%e4%b8%8d%e7%9b%b8%e5%90%8c%e4%b8%94%e6%97%a0%e9%87%8d%e5%a4%8d%e7%9a%84%e4%b8%89%e4%bd%8d","status":"publish","type":"post","link":"http:\/\/wx.kaifamiao.info\/index.php\/2023\/12\/11\/1%e3%80%812%e3%80%813%e3%80%814%e3%80%815-%e8%83%bd%e7%bb%84%e6%88%90%e5%a4%9a%e5%b0%91%e4%b8%aa%e4%ba%92%e4%b8%8d%e7%9b%b8%e5%90%8c%e4%b8%94%e6%97%a0%e9%87%8d%e5%a4%8d%e7%9a%84%e4%b8%89%e4%bd%8d\/","title":{"rendered":"1\u30012\u30013\u30014\u30015 \u80fd\u7ec4\u6210\u591a\u5c11\u4e2a\u4e92\u4e0d\u76f8\u540c\u4e14\u65e0\u91cd\u590d\u7684\u4e09\u4f4d\u6570"},"content":{"rendered":"

“`” 60\u4e2a<\/p>\n

\u9898\u610f\u7406\u89e3\uff1a\u7ec4\u6210\u540e\u7684\u6570\u503c\u4e0d\u76f8\u540c\uff0c\u4e14\u7ec4\u5408\u7684\u4e09\u4e2a\u4f4d\u6570\u4e4b\u95f4\u6570\u5b57\u4e0d\u91cd\u590d\u3002<\/p>\n

\u4f7f\u7528python\u5185\u7f6e\u7684\u6392\u5217\u7ec4\u5408\u51fd\u6570\uff08\u4e0d\u653e\u56de\u62bd\u6837\u6392\u5217\uff09<\/p>\n

product \u7b1b\u5361\u5c14\u79ef\u3000\u3000\uff08\u6709\u653e\u56de\u62bd\u6837\u6392\u5217\uff09<\/p>\n

permutations \u6392\u5217\u3000\u3000\uff08\u4e0d\u653e\u56de\u62bd\u6837\u6392\u5217\uff09<\/p>\n

combinations \u7ec4\u5408,\u6ca1\u6709\u91cd\u590d\u3000\u3000\uff08\u4e0d\u653e\u56de\u62bd\u6837\u7ec4\u5408\uff09<\/p>\n

combinations_with_replacement \u7ec4\u5408,\u6709\u91cd\u590d\u3000\u3000\uff08\u6709\u653e\u56de\u62bd\u6837\u7ec4\u5408\uff09<\/p>\n

<pre><code>import itertools<\/p>\n

print(len(list(itertools.permutations('12345', 3)))) # 60
\n<\/code><\/pre><\/p>\n

\u00a0<\/p>\n

<pre><code> "“`
\n<\/code><\/pre>\n","protected":false},"excerpt":{"rendered":"

“`” 60\u4e2a \u9898\u610f\u7406\u89e3\uff1a\u7ec4\u6210\u540e\u7684\u6570\u503c\u4e0d\u76f8\u540c\uff0c\u4e14\u7ec4\u5408\u7684\u4e09\u4e2a\u4f4d\u6570\u4e4b\u95f4\u6570\u5b57\u4e0d\u91cd\u590d\u3002 \u4f7f\u7528p […]<\/p>\n","protected":false},"author":7,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[101],"tags":[],"class_list":["post-41736","post","type-post","status-publish","format-standard","hentry","category-c"],"_links":{"self":[{"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/posts\/41736","targetHints":{"allow":["GET"]}}],"collection":[{"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/users\/7"}],"replies":[{"embeddable":true,"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/comments?post=41736"}],"version-history":[{"count":1,"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/posts\/41736\/revisions"}],"predecessor-version":[{"id":41737,"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/posts\/41736\/revisions\/41737"}],"wp:attachment":[{"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/media?parent=41736"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/categories?post=41736"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/tags?post=41736"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}