{"id":2144,"date":"2026-04-23T16:42:28","date_gmt":"2026-04-23T08:42:28","guid":{"rendered":"http:\/\/www.preluna.xyz\/?p=2144"},"modified":"2026-04-23T16:43:52","modified_gmt":"2026-04-23T08:43:52","slug":"re-%e6%ad%a3%e5%88%99%e8%a1%a8%e8%be%be%e5%bc%8f2","status":"publish","type":"post","link":"http:\/\/www.preluna.xyz\/index.php\/2026\/04\/23\/re-%e6%ad%a3%e5%88%99%e8%a1%a8%e8%be%be%e5%bc%8f2\/preluna\/text\/","title":{"rendered":"re \u6b63\u5219\u8868\u8fbe\u5f0f2"},"content":{"rendered":"\n<figure class=\"wp-block-image size-large\"><div class='fancybox-wrapper lazyload-container-unload' data-fancybox='post-images' href='http:\/\/www.preluna.xyz\/wp-content\/uploads\/2026\/04\/re-\u6b63\u5219\u8868\u8fbe\u5f0f2-798x1024.png'><img class=\"lazyload lazyload-style-1\" src=\"data:image\/svg+xml;base64,PCEtLUFyZ29uTG9hZGluZy0tPgo8c3ZnIHdpZHRoPSIxIiBoZWlnaHQ9IjEiIHhtbG5zPSJodHRwOi8vd3d3LnczLm9yZy8yMDAwL3N2ZyIgc3Ryb2tlPSIjZmZmZmZmMDAiPjxnPjwvZz4KPC9zdmc+\"  loading=\"lazy\" decoding=\"async\" width=\"798\" height=\"1024\" data-original=\"http:\/\/www.preluna.xyz\/wp-content\/uploads\/2026\/04\/re-\u6b63\u5219\u8868\u8fbe\u5f0f2-798x1024.png\" src=\"data:image\/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAYAAAAfFcSJAAAAAXNSR0IArs4c6QAAAARnQU1BAACxjwv8YQUAAAAJcEhZcwAADsQAAA7EAZUrDhsAAAANSURBVBhXYzh8+PB\/AAffA0nNPuCLAAAAAElFTkSuQmCC\" alt=\"\" class=\"wp-image-2145\"  sizes=\"auto, (max-width: 798px) 100vw, 798px\" \/><\/div><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\">\u9898\u76ee\u8003\u70b9<\/h2>\n\n\n\n<p>\u8fd9\u9053\u9898\u4e3b\u8981\u8003\u7684\u662f\u4e24\u4e2a\u70b9\uff1a<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li><strong>\u6b63\u5219\u8868\u8fbe\u5f0f\u57fa\u7840<\/strong>\n<ul class=\"wp-block-list\">\n<li>\u5f00\u5934\u7ed3\u5c3e\u951a\u70b9 <code>^<\/code> \u548c <code>$<\/code><\/li>\n\n\n\n<li>\u6570\u5b57\u5339\u914d <code>\\d<\/code><\/li>\n\n\n\n<li>\u91cd\u590d\u6b21\u6570 <code>{5}<\/code><\/li>\n\n\n\n<li>\u5206\u7ec4 <code>(\\d)<\/code><\/li>\n\n\n\n<li>\u6b63\u5411\u9884\u67e5 <code>(?=...)<\/code><\/li>\n<\/ul>\n<\/li>\n\n\n\n<li><strong>\u5ba1\u9898\u80fd\u529b<\/strong>\n<ul class=\"wp-block-list\">\n<li>\u9898\u76ee\u4e0d\u662f\u8ba9\u4f60\u81ea\u5df1\u5199\u4e00\u5806\u5224\u65ad\u903b\u8f91<\/li>\n\n\n\n<li>\u800c\u662f\u8ba9\u4f60<strong>\u63d0\u4f9b\u4e24\u4e2a\u6b63\u5219\u8868\u8fbe\u5f0f<\/strong><\/li>\n\n\n\n<li>\u518d\u7531\u7cfb\u7edf\u7528\u8fd9\u4e24\u4e2a\u6b63\u5219\u53bb\u5224\u65ad\u90ae\u7f16\u662f\u5426\u5408\u6cd5<\/li>\n<\/ul>\n<\/li>\n<\/ol>\n\n\n\n<p>\u4e5f\u5c31\u662f\u8bf4\uff0c\u8fd9\u9898\u672c\u8d28\u4e0a\u4e0d\u662f\u201c\u5199\u5b8c\u6574\u7a0b\u5e8f\u201d\uff0c\u800c\u662f\u201c\u628a\u89c4\u5219\u7ffb\u8bd1\u6210\u6b63\u5219\u201d\u3002<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">\u5ba1\u9898<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">\u8f93\u5165\u662f\u4ec0\u4e48<\/h3>\n\n\n\n<p>\u8f93\u5165\u662f\u4e00\u4e2a\u5b57\u7b26\u4e32 <code>P<\/code>\uff0c\u8868\u793a\u90ae\u653f\u7f16\u7801\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u8f93\u51fa\u662f\u4ec0\u4e48<\/h3>\n\n\n\n<p>\u4f60\u4e0d\u7528\u81ea\u5df1 <code>print<\/code>\uff0c\u5e73\u53f0\u6a21\u677f\u4f1a\u5e2e\u4f60\u8f93\u51fa <code>True<\/code> \u6216 <code>False<\/code>\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u9898\u76ee\u8981\u6c42\u5224\u65ad\u4ec0\u4e48<\/h3>\n\n\n\n<p>\u4e00\u4e2a\u5408\u6cd5\u7684\u90ae\u7f16 <code>P<\/code> \u5fc5\u987b\u540c\u65f6\u6ee1\u8db3\u4e24\u4e2a\u6761\u4ef6\uff1a<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u6761\u4ef6 1\uff1a\u5fc5\u987b\u5728 100000 \u5230 999999 \u4e4b\u95f4<\/h3>\n\n\n\n<p>\u8fd9\u53e5\u8bdd\u7ffb\u8bd1\u4e00\u4e0b\uff0c\u5176\u5b9e\u5c31\u662f\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u5fc5\u987b\u662f <strong>6 \u4f4d\u6570\u5b57<\/strong><\/li>\n\n\n\n<li>\u7b2c\u4e00\u4f4d\u4e0d\u80fd\u662f <code>0<\/code><\/li>\n<\/ul>\n\n\n\n<p>\u56e0\u4e3a\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><code>100000<\/code> \u662f 6 \u4f4d<\/li>\n\n\n\n<li><code>999999<\/code> \u4e5f\u662f 6 \u4f4d<\/li>\n\n\n\n<li>\u6240\u4ee5\u8303\u56f4\u5185\u7684\u6570\u4e00\u5b9a\u90fd\u662f 6 \u4f4d\u6570<\/li>\n\n\n\n<li>\u5e76\u4e14\u9996\u4f4d\u5fc5\u987b\u662f <code>1~9<\/code><\/li>\n<\/ul>\n\n\n\n<p>\u6240\u4ee5\u8fd9\u4e00\u6761\uff0c\u672c\u8d28\u4e0a\u5c31\u662f\uff1a<\/p>\n\n\n\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\">\n<p><strong>\u5339\u914d\u4e00\u4e2a 6 \u4f4d\u6570\uff0c\u4e14\u7b2c\u4e00\u4f4d\u662f 1~9<\/strong><\/p>\n<\/blockquote>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h3 class=\"wp-block-heading\">\u6761\u4ef6 2\uff1a\u4e0d\u80fd\u6709\u8d85\u8fc7 1 \u5bf9\u201c\u4ea4\u66ff\u91cd\u590d\u6570\u5b57\u5bf9\u201d<\/h3>\n\n\n\n<p>\u9898\u76ee\u91cc\u8bf4\u7684 alternating repetitive digit pair\uff0c\u610f\u601d\u662f\uff1a<\/p>\n\n\n\n<p>\u4e24\u4e2a\u76f8\u540c\u6570\u5b57\u4e2d\u95f4\u6b63\u597d\u9694\u4e86\u4e00\u4e2a\u6570\u5b57\u3002<\/p>\n\n\n\n<p>\u4f8b\u5982\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><code>121426<\/code> \u91cc\uff0c<code>1_1<\/code> \u6210\u7acb\uff0c\u6240\u4ee5\u6709 1 \u5bf9<\/li>\n\n\n\n<li><code>523563<\/code> \u91cc\uff0c\u6ca1\u6709\u8fd9\u79cd\u7ed3\u6784<\/li>\n\n\n\n<li><code>552523<\/code> \u91cc\uff0c<code>5_5<\/code> \u548c <code>2_2<\/code> \u90fd\u6210\u7acb\uff0c\u6240\u4ee5\u6709 2 \u5bf9<\/li>\n<\/ul>\n\n\n\n<p>\u6ce8\u610f\u8fd9\u91cc\u6700\u5bb9\u6613\u5ffd\u7565\u7684\u70b9\uff1a<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u4ea4\u66ff\u91cd\u590d\u5bf9\u662f\u53ef\u4ee5\u201c\u91cd\u53e0\u201d\u7edf\u8ba1\u7684<\/h3>\n\n\n\n<p>\u4f8b\u5982\u6837\u4f8b <code>110000<\/code>\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u7b2c 3\u30015 \u4f4d\uff1a<code>0 0<\/code><\/li>\n\n\n\n<li>\u7b2c 4\u30016 \u4f4d\uff1a<code>0 0<\/code><\/li>\n<\/ul>\n\n\n\n<p>\u6240\u4ee5\u8fd9\u91cc\u5176\u5b9e\u6709 <strong>2 \u5bf9<\/strong><\/p>\n\n\n\n<p>\u8fd9\u6b63\u662f\u8fd9\u9898\u6700\u96be\u7684\u5730\u65b9\u3002<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">\u601d\u8def\u63d0\u793a<\/h2>\n\n\n\n<p>\u5148\u4e0d\u8981\u6025\u7740\u5199\u4ee3\u7801\uff0c\u6211\u4eec\u5148\u628a\u9898\u76ee\u62c6\u6210\u4e24\u4e2a\u72ec\u7acb\u4efb\u52a1\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u7b2c\u4e00\u6b65\uff1a\u5199\u201c\u8303\u56f4\u68c0\u67e5\u201d\u7684\u6b63\u5219<\/h3>\n\n\n\n<p>\u4f60\u5148\u60f3\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u4e00\u5171 6 \u4f4d<\/li>\n\n\n\n<li>\u7b2c\u4e00\u4f4d\u4e0d\u80fd\u662f 0<\/li>\n\n\n\n<li>\u540e\u9762 5 \u4f4d\u53ef\u4ee5\u662f\u4efb\u610f\u6570\u5b57<\/li>\n<\/ul>\n\n\n\n<p>\u8fd9\u4e2a\u6b63\u5219\u5176\u5b9e\u4e0d\u96be\u3002<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h3 class=\"wp-block-heading\">\u7b2c\u4e8c\u6b65\uff1a\u5199\u201c\u4ea4\u66ff\u91cd\u590d\u5bf9\u201d\u7684\u6b63\u5219<\/h3>\n\n\n\n<p>\u4f60\u8981\u627e\u7684\u662f\u8fd9\u79cd\u7ed3\u6784\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>\u6570\u5b57  \u4efb\u610f\u4e00\u4e2a\u6570\u5b57  \u540c\u6837\u7684\u6570\u5b57\n<\/code><\/pre>\n\n\n\n<p>\u4e5f\u5c31\u662f\u50cf\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>1 2 1\n5 3 5\n0 0 0\n<\/code><\/pre>\n\n\n\n<p>\u8fd9\u91cc\u8981\u6ce8\u610f\uff0c\u4e0d\u662f\u627e\u201c\u8fde\u7eed\u91cd\u590d\u201d\uff0c\u800c\u662f\u627e\u201c\u9694\u4e00\u4e2a\u5b57\u7b26\u540e\u91cd\u590d\u201d\u3002<\/p>\n\n\n\n<p>\u6240\u4ee5\u4f60\u4f1a\u60f3\u5230\u5199\u6210\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>(\\d)\\d\\1\n<\/code><\/pre>\n\n\n\n<p>\u8fd9\u4e2a\u65b9\u5411\u662f\u5bf9\u7684\uff0c\u4f46\u8fd8\u4e0d\u591f\uff0c\u56e0\u4e3a\u5b83\u4f1a\u6f0f\u6389<strong>\u91cd\u53e0\u5339\u914d<\/strong>\u3002<\/p>\n\n\n\n<p>\u6240\u4ee5\u8fd9\u4e00\u6b65\u7684\u5173\u952e\u662f\uff1a<\/p>\n\n\n\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\">\n<p>\u8981\u7528\u4e00\u79cd\u201c\u5f53\u524d\u4f4d\u7f6e\u770b\u4e00\u773c\u662f\u5426\u6ee1\u8db3\uff0c\u4f46\u4e0d\u771f\u6b63\u5403\u6389\u5b57\u7b26\u201d\u7684\u5199\u6cd5\u3002<\/p>\n<\/blockquote>\n\n\n\n<p>\u8fd9\u5c31\u662f <strong>\u6b63\u5411\u9884\u67e5 <code>(?=...)<\/code><\/strong>\u3002<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">\u5b8c\u6574\u8bbe\u8ba1\u601d\u8def<\/h2>\n\n\n\n<p>\u73b0\u5728\u628a\u6574\u4e2a\u601d\u8def\u6574\u7406\u6210\u5b8c\u6574\u6b65\u9aa4\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u7b2c 1 \u6b65\uff1a\u5904\u7406\u7b2c\u4e00\u4e2a\u6761\u4ef6<\/h3>\n\n\n\n<p>\u8303\u56f4 <code>100000 ~ 999999<\/code> \u53ef\u4ee5\u76f4\u63a5\u8f6c\u6210\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>\u9996\u4f4d\uff1a1 \u5230 9\n\u540e\u9762\uff1a\u4efb\u610f 5 \u4e2a\u6570\u5b57\n\u603b\u957f\u5ea6\uff1a\u5fc5\u987b\u521a\u597d 6 \u4f4d\n<\/code><\/pre>\n\n\n\n<p>\u6240\u4ee5\u6b63\u5219\u5e94\u8be5\u957f\u8fd9\u6837\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>^&#91;1-9]\\d{5}$\n<\/code><\/pre>\n\n\n\n<p>\u89e3\u91ca\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><code>^<\/code>\uff1a\u4ece\u5b57\u7b26\u4e32\u5f00\u5934\u5f00\u59cb<\/li>\n\n\n\n<li><code>[1-9]<\/code>\uff1a\u7b2c\u4e00\u4f4d\u662f 1 \u5230 9<\/li>\n\n\n\n<li><code>\\d{5}<\/code>\uff1a\u540e\u9762\u8ddf 5 \u4e2a\u6570\u5b57<\/li>\n\n\n\n<li><code>$<\/code>\uff1a\u5230\u5b57\u7b26\u4e32\u7ed3\u5c3e\u7ed3\u675f<\/li>\n<\/ul>\n\n\n\n<p>\u8fd9\u6837\u5c31\u4fdd\u8bc1\u4e86\u5b83\u65e2\u662f 6 \u4f4d\uff0c\u53c8\u4e0d\u4f1a\u4ee5 0 \u5f00\u5934\u3002<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h3 class=\"wp-block-heading\">\u7b2c 2 \u6b65\uff1a\u5904\u7406\u7b2c\u4e8c\u4e2a\u6761\u4ef6<\/h3>\n\n\n\n<p>\u4ea4\u66ff\u91cd\u590d\u6570\u5b57\u5bf9\u7684\u7ed3\u6784\u662f\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>a b a\n<\/code><\/pre>\n\n\n\n<p>\u5982\u679c\u53ea\u5199\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>(\\d)\\d\\1\n<\/code><\/pre>\n\n\n\n<p>\u5b83\u80fd\u627e\u5230\u4e00\u4e2a\u8fd9\u6837\u7684\u7247\u6bb5\uff0c\u4f46\u6709\u4e00\u4e2a\u95ee\u9898\uff1a<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u5b83\u4e0d\u80fd\u6b63\u786e\u5904\u7406\u91cd\u53e0\u5339\u914d<\/h3>\n\n\n\n<p>\u6bd4\u5982 <code>0000<\/code>\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u524d\u4e09\u4e2a\u5b57\u7b26 <code>000<\/code> \u662f\u4e00\u4e2a <code>a b a<\/code><\/li>\n\n\n\n<li>\u540e\u4e09\u4e2a\u5b57\u7b26 <code>000<\/code> \u4e5f\u662f\u4e00\u4e2a <code>a b a<\/code><\/li>\n<\/ul>\n\n\n\n<p>\u8fd9\u4e24\u4e2a\u662f\u91cd\u53e0\u7684\u3002<\/p>\n\n\n\n<p>\u666e\u901a\u5339\u914d\u5728\u627e\u5230\u7b2c\u4e00\u4e2a <code>000<\/code> \u540e\uff0c\u4f1a\u628a\u6307\u9488\u8df3\u8fc7\u53bb\uff0c\u5c31\u53ef\u80fd\u6f0f\u6389\u7b2c\u4e8c\u4e2a\u3002<\/p>\n\n\n\n<p>\u6240\u4ee5\u6b63\u786e\u5199\u6cd5\u662f\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>(?=(\\d)\\d\\1)\n<\/code><\/pre>\n\n\n\n<p>\u5b83\u7684\u610f\u601d\u662f\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u5728\u5f53\u524d\u4f4d\u7f6e\uff0c\u5f80\u540e\u770b\u4e00\u773c<\/li>\n\n\n\n<li>\u770b\u770b\u662f\u4e0d\u662f\u5b58\u5728 <code>(\\d)\\d\\1<\/code> \u8fd9\u6837\u7684\u7ed3\u6784<\/li>\n\n\n\n<li>\u4f46<strong>\u4e0d\u6d88\u8017\u5b57\u7b26<\/strong><\/li>\n\n\n\n<li>\u8fd9\u6837\u4e0b\u4e00\u4f4d\u8fd8\u80fd\u7ee7\u7eed\u68c0\u67e5<\/li>\n\n\n\n<li>\u6240\u4ee5\u91cd\u53e0\u60c5\u51b5\u4e5f\u80fd\u88ab\u7edf\u8ba1\u51fa\u6765<\/li>\n<\/ul>\n\n\n\n<p>\u8fd9\u5c31\u662f\u4e3a\u4ec0\u4e48\u8fd9\u9898\u5fc5\u987b\u7528\u9884\u67e5\u3002<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h3 class=\"wp-block-heading\">\u7b2c 3 \u6b65\uff1a\u914d\u5408\u6a21\u677f\u7406\u89e3\u6574\u4e2a\u5224\u65ad\u8fc7\u7a0b<\/h3>\n\n\n\n<p>\u9898\u76ee\u6a21\u677f\u4f1a\u8fd9\u6837\u5224\u65ad\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>bool(re.match(regex_integer_in_range, P))\nand len(re.findall(regex_alternating_repetitive_digit_pair, P)) &lt; 2\n<\/code><\/pre>\n\n\n\n<p>\u610f\u601d\u662f\uff1a<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li>\u5148\u770b <code>P<\/code> \u662f\u5426\u7b26\u5408 6 \u4f4d\u5408\u6cd5\u8303\u56f4<\/li>\n\n\n\n<li>\u518d\u7edf\u8ba1\u4ea4\u66ff\u91cd\u590d\u5bf9\u6709\u51e0\u4e2a<\/li>\n\n\n\n<li>\u5c11\u4e8e 2 \u4e2a\u624d\u7b97\u5408\u6cd5<\/li>\n<\/ol>\n\n\n\n<p>\u4e5f\u5c31\u662f\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>0 \u5bf9\uff1a\u5408\u6cd5<\/li>\n\n\n\n<li>1 \u5bf9\uff1a\u5408\u6cd5<\/li>\n\n\n\n<li>2 \u5bf9\u53ca\u4ee5\u4e0a\uff1a\u4e0d\u5408\u6cd5<\/li>\n<\/ul>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">\u4ee3\u7801\u5b9e\u73b0<\/h2>\n\n\n\n<p>\u8fd9\u9898\u4f60\u53ea\u9700\u8981\u8865\u4e24\u4e2a\u6b63\u5219\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>regex_integer_in_range = r\"^&#91;1-9]\\d{5}$\"\nregex_alternating_repetitive_digit_pair = r\"(?=(\\d)\\d\\1)\"\n<\/code><\/pre>\n\n\n\n<p>\u5982\u679c\u653e\u8fdb\u5b8c\u6574\u6a21\u677f\u91cc\uff0c\u5927\u81f4\u662f\u8fd9\u6837\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>import re\n\nP = input().strip()\n\nregex_integer_in_range = r\"^&#91;1-9]\\d{5}$\"\nregex_alternating_repetitive_digit_pair = r\"(?=(\\d)\\d\\1)\"\n\nprint(\n    bool(re.match(regex_integer_in_range, P))\n    and len(re.findall(regex_alternating_repetitive_digit_pair, P)) &lt; 2\n)\n<\/code><\/pre>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">\u8fd0\u884c\u6f14\u793a<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">\u6837\u4f8b 1\uff1a<code>121426<\/code><\/h3>\n\n\n\n<p>\u5148\u68c0\u67e5\u8303\u56f4\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>6 \u4f4d<\/li>\n\n\n\n<li>\u9996\u4f4d\u662f <code>1<\/code><\/li>\n\n\n\n<li>\u7b26\u5408<\/li>\n<\/ul>\n\n\n\n<p>\u518d\u627e\u4ea4\u66ff\u91cd\u590d\u5bf9\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><code>121<\/code>\uff1a\u6709 1 \u5bf9<\/li>\n\n\n\n<li>\u5176\u4ed6\u4f4d\u7f6e\u6ca1\u6709\u65b0\u7684<\/li>\n<\/ul>\n\n\n\n<p>\u6240\u4ee5\u603b\u6570\u662f 1\uff0c\u5bf9\u6570 <code>&lt; 2<\/code><\/p>\n\n\n\n<p>\u7ed3\u679c\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>True\n<\/code><\/pre>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h3 class=\"wp-block-heading\">\u6837\u4f8b 2\uff1a<code>523563<\/code><\/h3>\n\n\n\n<p>\u68c0\u67e5\u8303\u56f4\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>6 \u4f4d\uff0c\u9996\u4f4d\u4e0d\u662f 0<\/li>\n\n\n\n<li>\u7b26\u5408<\/li>\n<\/ul>\n\n\n\n<p>\u68c0\u67e5\u4ea4\u66ff\u91cd\u590d\u5bf9\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><code>523<\/code><\/li>\n\n\n\n<li><code>235<\/code><\/li>\n\n\n\n<li><code>356<\/code><\/li>\n\n\n\n<li><code>563<\/code><\/li>\n<\/ul>\n\n\n\n<p>\u90fd\u4e0d\u662f\u9996\u5c3e\u76f8\u540c<\/p>\n\n\n\n<p>\u6240\u4ee5\u4e00\u5bf9\u90fd\u6ca1\u6709\u3002<\/p>\n\n\n\n<p>\u7ed3\u679c\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>True\n<\/code><\/pre>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h3 class=\"wp-block-heading\">\u6837\u4f8b 3\uff1a<code>552523<\/code><\/h3>\n\n\n\n<p>\u68c0\u67e5\u8303\u56f4\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u6ca1\u95ee\u9898<\/li>\n<\/ul>\n\n\n\n<p>\u68c0\u67e5\u4ea4\u66ff\u91cd\u590d\u5bf9\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><code>525<\/code> \u91cc\u6709 <code>5...5<\/code><\/li>\n\n\n\n<li><code>252<\/code> \u91cc\u6709 <code>2...2<\/code><\/li>\n<\/ul>\n\n\n\n<p>\u4e00\u5171 2 \u5bf9\u3002<\/p>\n\n\n\n<p>\u7ed3\u679c\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>False\n<\/code><\/pre>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h3 class=\"wp-block-heading\">\u6837\u4f8b 4\uff1a<code>110000<\/code><\/h3>\n\n\n\n<p>\u68c0\u67e5\u8303\u56f4\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u662f 6 \u4f4d\uff0c\u9996\u4f4d\u4e0d\u662f 0<\/li>\n\n\n\n<li>\u7b26\u5408<\/li>\n<\/ul>\n\n\n\n<p>\u68c0\u67e5\u4ea4\u66ff\u91cd\u590d\u5bf9\uff1a<\/p>\n\n\n\n<p>\u5b57\u7b26\u4e32\u662f\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>1 1 0 0 0 0\n<\/code><\/pre>\n\n\n\n<p>\u4ece\u6bcf\u4e2a\u4f4d\u7f6e\u5f80\u540e\u770b\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><code>110<\/code>\uff1a\u4e0d\u662f<\/li>\n\n\n\n<li><code>100<\/code>\uff1a\u4e0d\u662f<\/li>\n\n\n\n<li><code>000<\/code>\uff1a\u662f 1 \u5bf9<\/li>\n\n\n\n<li>\u4e0b\u4e00\u4e2a\u4f4d\u7f6e\u5f00\u59cb\u7684 <code>000<\/code>\uff1a\u53c8\u662f 1 \u5bf9<\/li>\n<\/ul>\n\n\n\n<p>\u5171 2 \u5bf9\u3002<\/p>\n\n\n\n<p>\u7ed3\u679c\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>False\n<\/code><\/pre>\n\n\n\n<p>\u8fd9\u4e5f\u8bf4\u660e\u4e86\u4e3a\u4ec0\u4e48\u5fc5\u987b\u7528\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>(?=(\\d)\\d\\1)\n<\/code><\/pre>\n\n\n\n<p>\u800c\u4e0d\u80fd\u53ea\u5199\u666e\u901a\u7684\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>(\\d)\\d\\1\n<\/code><\/pre>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">\u65b9\u6cd5\u603b\u7ed3<\/h2>\n\n\n\n<p>\u8fd9\u7c7b\u9898\u4e0b\u6b21\u600e\u4e48\u4e0b\u624b\uff0c\u53ef\u4ee5\u8bb0\u4f4f\u8fd9\u4e2a\u987a\u5e8f\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u7b2c\u4e00\u7c7b\uff1a\u8303\u56f4\u578b\u89c4\u5219<\/h3>\n\n\n\n<p>\u770b\u5230\u201c\u67d0\u4e2a\u6570\u5b57\u8303\u56f4\u201d\u65f6\uff0c\u5148\u522b\u6025\u7740\u60f3\u5927\u5c0f\u6bd4\u8f83\uff0c\u5148\u60f3\u80fd\u4e0d\u80fd\u8f6c\u6362\u6210\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u56fa\u5b9a\u957f\u5ea6<\/li>\n\n\n\n<li>\u9996\u4f4d\u9650\u5236<\/li>\n\n\n\n<li>\u6bcf\u4e00\u4f4d\u7684\u5b57\u7b26\u8303\u56f4<\/li>\n<\/ul>\n\n\n\n<p>\u8fd9\u9898\u5c31\u662f\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>6 \u4f4d<\/li>\n\n\n\n<li>\u7b2c\u4e00\u4f4d <code>1~9<\/code><\/li>\n\n\n\n<li>\u540e 5 \u4f4d <code>0~9<\/code><\/li>\n<\/ul>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h3 class=\"wp-block-heading\">\u7b2c\u4e8c\u7c7b\uff1a\u6a21\u5f0f\u8bc6\u522b\u578b\u89c4\u5219<\/h3>\n\n\n\n<p>\u770b\u5230\u201c\u67d0\u79cd\u91cd\u590d\u7ed3\u6784\u201d\u65f6\uff0c\u5148\u628a\u5b83\u7ffb\u8bd1\u6210\u5b57\u7b26\u6a21\u5f0f\u3002<\/p>\n\n\n\n<p>\u8fd9\u9898\u7684\u201c\u4ea4\u66ff\u91cd\u590d\u201d\u5c31\u662f\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>a b a\n<\/code><\/pre>\n\n\n\n<p>\u6240\u4ee5\u81ea\u7136\u5bf9\u5e94\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>(\\d)\\d\\1\n<\/code><\/pre>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h3 class=\"wp-block-heading\">\u7b2c\u4e09\u7c7b\uff1a\u91cd\u53e0\u5339\u914d<\/h3>\n\n\n\n<p>\u53ea\u8981\u9898\u76ee\u91cc\u53ef\u80fd\u51fa\u73b0\u8fd9\u79cd\u60c5\u51b5\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>0000\naaaa\n12121\n<\/code><\/pre>\n\n\n\n<p>\u5c31\u8981\u8b66\u60d5\uff1a<\/p>\n\n\n\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\">\n<p>\u666e\u901a\u5339\u914d\u4f1a\u4e0d\u4f1a\u6f0f\u6389\u201c\u91cd\u53e0\u51fa\u73b0\u201d\u7684\u60c5\u51b5\uff1f<\/p>\n<\/blockquote>\n\n\n\n<p>\u5982\u679c\u4f1a\u6f0f\uff0c\u5c31\u8981\u8003\u8651 <strong>\u6b63\u5411\u9884\u67e5 <code>(?=...)<\/code><\/strong>\u3002<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">\u6613\u9519\u70b9\u56de\u987e<\/h2>\n\n\n\n<p>\u8fd9\u9898\u6700\u5bb9\u6613\u9519\u7684\u5730\u65b9\u6709\u4e09\u4e2a\uff1a<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">1. \u628a\u8303\u56f4\u5199\u6210\u666e\u901a\u6570\u5b57\u5224\u65ad<\/h3>\n\n\n\n<p>\u9898\u76ee\u4e0d\u8ba9\u4f60\u5199 if \u6765\u5224\u65ad\u5927\u5c0f\uff0c\u800c\u662f\u8981\u5199\u6b63\u5219\uff0c\u6240\u4ee5\u8981\u628a\u6570\u503c\u8303\u56f4\u8f6c\u6210\u5b57\u7b26\u4e32\u89c4\u5219\u3002<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h3 class=\"wp-block-heading\">2. \u7b2c\u4e8c\u4e2a\u6b63\u5219\u5199\u6210 <code>(\\d)\\d\\1<\/code><\/h3>\n\n\n\n<p>\u8fd9\u4e2a\u5199\u6cd5\u53ea\u80fd\u627e\u666e\u901a\u5339\u914d\uff0c\u53ef\u80fd\u6f0f\u6389\u91cd\u53e0\u60c5\u51b5\u3002<\/p>\n\n\n\n<p>\u6b63\u786e\u5e94\u8be5\u5199\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>(?=(\\d)\\d\\1)\n<\/code><\/pre>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h3 class=\"wp-block-heading\">3. \u5fd8\u8bb0\u52a0 <code>^<\/code> \u548c <code>$<\/code><\/h3>\n\n\n\n<p>\u5982\u679c\u4e0d\u52a0\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>^&#91;1-9]\\d{5}$\n<\/code><\/pre>\n\n\n\n<p>\u5c31\u53ef\u80fd\u53ea\u5339\u914d\u5230\u5b57\u7b26\u4e32\u4e2d\u7684\u67d0\u4e00\u90e8\u5206\uff0c\u800c\u4e0d\u662f\u6574\u4e2a\u5b57\u7b26\u4e32\u3002<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">\u7ec3\u4e60<\/h2>\n\n\n\n<p>\u4f60\u53ef\u4ee5\u5148\u81ea\u5df1\u505a\u8fd9\u9053\u5c0f\u7ec3\u4e60\uff0c\u4e0d\u8981\u6025\u7740\u770b\u7b54\u6848\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u7ec3\u4e60\u9898<\/h3>\n\n\n\n<p>\u8bf7\u4f60\u5199\u4e24\u4e2a\u6b63\u5219\uff0c\u5224\u65ad\u4e00\u4e2a\u5b57\u7b26\u4e32\u662f\u5426\u6ee1\u8db3\uff1a<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li>\u5fc5\u987b\u662f\u4e00\u4e2a 4 \u4f4d\u6570\u5b57\uff0c\u4e14\u7b2c\u4e00\u4f4d\u4e0d\u80fd\u662f 0<\/li>\n\n\n\n<li>\u4e0d\u80fd\u51fa\u73b0\u8d85\u8fc7 1 \u5bf9\u201c\u9996\u5c3e\u76f8\u540c\u3001\u4e2d\u95f4\u9694 1 \u4f4d\u201d\u7684\u6570\u5b57\u6a21\u5f0f<\/li>\n<\/ol>\n\n\n\n<p>\u4f8b\u5982\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><code>1213<\/code> \u6709 1 \u5bf9<\/li>\n\n\n\n<li><code>3434<\/code> \u6709 2 \u5bf9<\/li>\n\n\n\n<li><code>1001<\/code> \u6ca1\u6709\u8fd9\u79cd\u5bf9<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">\u63d0\u793a<\/h3>\n\n\n\n<p>\u4f60\u53ef\u4ee5\u76f4\u63a5\u6a21\u4eff\u4eca\u5929\u8fd9\u9053\u9898\u7684\u601d\u8def\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u7b2c\u4e00\u4e2a\u6b63\u5219\u5148\u5199\u201c4 \u4f4d\u4e14\u9996\u4f4d\u975e 0\u201d<\/li>\n\n\n\n<li>\u7b2c\u4e8c\u4e2a\u6b63\u5219\u5148\u5199\u51fa <code>a b a<\/code> \u7684\u7ed3\u6784<\/li>\n\n\n\n<li>\u518d\u601d\u8003\u662f\u5426\u9700\u8981\u5904\u7406\u201c\u91cd\u53e0\u5339\u914d\u201d<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\">\u8865\u5145\u8bf4\u660e\uff1a\u4e3a\u4ec0\u4e48 <code>(?=(\\d)\\d\\1)<\/code> \u80fd\u770b\u89c1\u91cd\u53e0\u5339\u914d\uff0c\u800c\u666e\u901a <code>(\\d)\\d\\1<\/code> \u770b\u4e0d\u89c1<\/h2>\n\n\n\n<p>\u8fd9\u4e00\u8282\u662f\u8fd9\u9053\u9898\u91cc\u6700\u5173\u952e\u3001\u4e5f\u6700\u5bb9\u6613\u8ba9\u521d\u5b66\u8005\u201c\u770b\u7740\u61c2\uff0c\u5b9e\u9645\u4e0a\u6ca1\u771f\u61c2\u201d\u7684\u5730\u65b9\u3002<\/p>\n\n\n\n<p>\u5f88\u591a\u4eba\u7b2c\u4e00\u6b21\u770b\u5230\u8fd9\u4e24\u4e2a\u6b63\u5219\uff0c\u4f1a\u89c9\u5f97\u5b83\u4eec\u957f\u5f97\u51e0\u4e4e\u4e00\u6837\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>(\\d)\\d\\1\n<\/code><\/pre>\n\n\n\n<p>\u548c<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>(?=(\\d)\\d\\1)\n<\/code><\/pre>\n\n\n\n<p>\u91cc\u9762\u6838\u5fc3\u7ed3\u6784\u660e\u660e\u90fd\u662f\u201c\u4e00\u4e2a\u6570\u5b57 + \u4efb\u610f\u4e00\u4e2a\u6570\u5b57 + \u524d\u9762\u90a3\u4e2a\u6570\u5b57\u201d\uff0c\u4e3a\u4ec0\u4e48\u524d\u8005\u4f1a\u6f0f\uff0c\u540e\u8005\u5374\u80fd\u628a\u91cd\u53e0\u60c5\u51b5\u4e5f\u627e\u51fa\u6765\uff1f<\/p>\n\n\n\n<p>\u771f\u6b63\u7684\u533a\u522b\uff0c\u4e0d\u5728\u201c\u5339\u914d\u7684\u5185\u5bb9\u201d\u672c\u8eab\uff0c\u800c\u5728\u4e8e\uff1a<\/p>\n\n\n\n<p><strong>\u5b83\u4eec\u5339\u914d\u6210\u529f\u4e4b\u540e\uff0c\u6b63\u5219\u5f15\u64ce\u7684\u5f53\u524d\u4f4d\u7f6e\u4f1a\u4e0d\u4f1a\u5f80\u524d\u8d70\u3002<\/strong><\/p>\n\n\n\n<p>\u8fd9\u624d\u662f\u6839\u672c\u3002<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">\u5148\u628a\u201c\u91cd\u53e0\u5339\u914d\u201d\u5230\u5e95\u662f\u4ec0\u4e48\u8bf4\u6e05\u695a<\/h2>\n\n\n\n<p>\u6240\u8c13\u91cd\u53e0\u5339\u914d\uff0c\u5c31\u662f\u4e24\u4e2a\u6ee1\u8db3\u6761\u4ef6\u7684\u7247\u6bb5\uff0c\u5b83\u4eec\u4f1a\u5171\u4eab\u4e00\u90e8\u5206\u5b57\u7b26\u3002<\/p>\n\n\n\n<p>\u4f8b\u5982\u5b57\u7b26\u4e32\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>0000\n<\/code><\/pre>\n\n\n\n<p>\u5982\u679c\u6211\u4eec\u8981\u627e\u7684\u6a21\u5f0f\u662f\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>a b a\n<\/code><\/pre>\n\n\n\n<p>\u90a3\u4e48\u5728 <code>0000<\/code> \u91cc\u5176\u5b9e\u6709\u4e24\u6bb5\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u7b2c 1~3 \u4e2a\u5b57\u7b26\uff1a<code>000<\/code><\/li>\n\n\n\n<li>\u7b2c 2~4 \u4e2a\u5b57\u7b26\uff1a<code>000<\/code><\/li>\n<\/ul>\n\n\n\n<p>\u4f60\u4f1a\u53d1\u73b0\uff0c\u8fd9\u4e24\u6bb5\u4e0d\u662f\u5f7c\u6b64\u5206\u5f00\u7684\uff0c\u5b83\u4eec\u5171\u7528\u4e86\u4e2d\u95f4\u4e24\u4e2a <code>0<\/code>\u3002<\/p>\n\n\n\n<p>\u8fd9\u5c31\u53eb<strong>\u91cd\u53e0<\/strong>\u3002<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">\u666e\u901a\u5339\u914d\u4e3a\u4ec0\u4e48\u770b\u4e0d\u89c1\u91cd\u53e0<\/h2>\n\n\n\n<p>\u5148\u770b\u666e\u901a\u6b63\u5219\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>(\\d)\\d\\1\n<\/code><\/pre>\n\n\n\n<p>\u5b83\u7684\u610f\u601d\u662f\uff1a<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li>\u5148\u8bb0\u4f4f\u4e00\u4e2a\u6570\u5b57<\/li>\n\n\n\n<li>\u518d\u5339\u914d\u4efb\u610f\u4e00\u4e2a\u6570\u5b57<\/li>\n\n\n\n<li>\u518d\u5339\u914d\u4e00\u6b21\u521a\u624d\u8bb0\u4f4f\u7684\u90a3\u4e2a\u6570\u5b57<\/li>\n<\/ol>\n\n\n\n<p>\u6bd4\u5982\u62ff\u5b57\u7b26\u4e32 <code>0000<\/code> \u6765\u770b\u3002<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h3 class=\"wp-block-heading\">\u7b2c\u4e00\u6b65\uff1a\u4ece\u7b2c 1 \u4e2a\u5b57\u7b26\u5f00\u59cb\u5c1d\u8bd5<\/h3>\n\n\n\n<p>\u5b57\u7b26\u4e32\u4f4d\u7f6e\u53ef\u4ee5\u8fd9\u6837\u6807\u51fa\u6765\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>\u4f4d\u7f6e:  1 2 3 4\n\u5b57\u7b26:  0 0 0 0\n<\/code><\/pre>\n\n\n\n<p>\u4ece\u4f4d\u7f6e 1 \u5f00\u59cb\u770b\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u7b2c\u4e00\u4e2a <code>(\\d)<\/code> \u5339\u914d\u5230\u7b2c 1 \u4e2a <code>0<\/code><\/li>\n\n\n\n<li>\u4e2d\u95f4\u90a3\u4e2a <code>\\d<\/code> \u5339\u914d\u5230\u7b2c 2 \u4e2a <code>0<\/code><\/li>\n\n\n\n<li>\u6700\u540e <code>\\1<\/code> \u5339\u914d\u5230\u7b2c 3 \u4e2a <code>0<\/code><\/li>\n<\/ul>\n\n\n\n<p>\u4e8e\u662f\uff0c\u6b63\u5219\u6210\u529f\u5339\u914d\u5230\u4e86\u8fd9\u4e00\u6bb5\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>000\n<\/code><\/pre>\n\n\n\n<p>\u4e5f\u5c31\u662f\u7b2c 1~3 \u4f4d\u3002<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h3 class=\"wp-block-heading\">\u7b2c\u4e8c\u6b65\uff1a\u95ee\u9898\u6765\u4e86\u2014\u2014\u5339\u914d\u5b8c\u4e4b\u540e\uff0c\u6307\u9488\u5f80\u54ea\u8d70\uff1f<\/h3>\n\n\n\n<p>\u666e\u901a\u5339\u914d\u7684\u7279\u70b9\u662f\uff1a<\/p>\n\n\n\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\">\n<p><strong>\u5b83\u4e00\u65e6\u5339\u914d\u6210\u529f\uff0c\u5c31\u628a\u8fd9\u4e00\u6574\u6bb5\u201c\u5403\u6389\u4e86\u201d\u3002<\/strong><\/p>\n<\/blockquote>\n\n\n\n<p>\u8fd9\u91cc\u201c\u5403\u6389\u201d\u4e0d\u662f\u8bf4\u5b57\u7b26\u4e32\u88ab\u5220\u9664\uff0c\u800c\u662f\u8bf4\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u6b63\u5219\u5f15\u64ce\u4f1a\u8ba4\u4e3a\u201c\u8fd9\u4e00\u6bb5\u5df2\u7ecf\u5339\u914d\u5b8c\u6210\u4e86\u201d<\/li>\n\n\n\n<li>\u4e0b\u4e00\u6b21\u7ee7\u7eed\u627e\u65f6\uff0c\u4f1a\u4ece\u8fd9\u6bb5\u540e\u9762\u7ee7\u7eed\u627e<\/li>\n<\/ul>\n\n\n\n<p>\u4e5f\u5c31\u662f\u8bf4\uff0c\u521a\u624d\u5339\u914d\u4e86\u7b2c 1~3 \u4f4d\uff0c\u63a5\u4e0b\u6765\u5c31\u4ece\u7b2c 4 \u4f4d\u540e\u9762\u7ee7\u7eed\u3002<\/p>\n\n\n\n<p>\u4f46\u7b2c 4 \u4f4d\u540e\u9762\u5df2\u7ecf\u6ca1\u4e1c\u897f\u4e86\u3002<\/p>\n\n\n\n<p>\u6240\u4ee5\u5b83\u53ea\u627e\u5230 <strong>1 \u6b21<\/strong>\u3002<\/p>\n\n\n\n<p>\u5b83\u4e0d\u4f1a\u518d\u56de\u5934\u53bb\u8bd5\u201c\u7b2c 2 \u4f4d\u5f00\u59cb\u7684\u90a3\u4e00\u6bb5 <code>000<\/code>\u201d\u3002<\/p>\n\n\n\n<p>\u8fd9\u5c31\u662f\u4e3a\u4ec0\u4e48\u666e\u901a\u5339\u914d\u770b\u4e0d\u89c1\u91cd\u53e0\u3002<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">\u4f60\u53ef\u4ee5\u628a\u666e\u901a\u5339\u914d\u60f3\u6210\u201c\u771f\u7684\u62ff\u8d70\u4e86\u4e00\u5757\u201d<\/h2>\n\n\n\n<p>\u6253\u4e2a\u6bd4\u65b9\uff0c\u5b57\u7b26\u4e32\u50cf\u4e00\u6392\u7816\u5757\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>0 0 0 0\n<\/code><\/pre>\n\n\n\n<p>\u666e\u901a\u6a21\u5f0f <code>(\\d)\\d\\1<\/code> \u627e\u5230\u7b2c\u4e00\u4e2a <code>000<\/code> \u65f6\uff0c\u76f8\u5f53\u4e8e\u4e00\u4e0b\u5b50\u62ff\u8d70\u4e86\u524d\u9762\u4e09\u5757\u7816\u6765\u7ec4\u6210\u4e00\u4e2a\u5339\u914d\u7ed3\u679c\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>&#91;0 0 0] 0\n<\/code><\/pre>\n\n\n\n<p>\u63a5\u4e0b\u6765\u5b83\u4e0d\u4f1a\u53ea\u632a\u4e00\u6b65\u91cd\u65b0\u8bd5\uff0c\u800c\u662f\u76f4\u63a5\u8df3\u5230\u8fd9\u5757\u540e\u9762\u7ee7\u7eed\u627e\u3002<\/p>\n\n\n\n<p>\u6240\u4ee5\uff0c\u7b2c\u4e8c\u4e2a\u4ece\u4f4d\u7f6e 2 \u5f00\u59cb\u7684 <code>000<\/code>\uff0c\u5c31\u88ab\u8df3\u8fc7\u53bb\u4e86\u3002<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">\u90a3 <code>(?=(\\d)\\d\\1)<\/code> \u4e3a\u4ec0\u4e48\u53ef\u4ee5\uff1f<\/h2>\n\n\n\n<p>\u8fd9\u91cc\u5c31\u8981\u7406\u89e3 <strong>\u6b63\u5411\u9884\u67e5<\/strong>\u3002<\/p>\n\n\n\n<p><code>(?=...)<\/code> \u7684\u610f\u601d\u4e0d\u662f\u201c\u771f\u6b63\u5339\u914d\u4e00\u6bb5\u5185\u5bb9\u201d\uff0c\u800c\u662f\uff1a<\/p>\n\n\n\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\">\n<p><strong>\u5728\u5f53\u524d\u4f4d\u7f6e\u5f80\u540e\u770b\u4e00\u773c\uff0c\u68c0\u67e5\u8fd9\u91cc\u540e\u9762\u662f\u4e0d\u662f\u6ee1\u8db3\u67d0\u4e2a\u6a21\u5f0f\u3002<\/strong><\/p>\n<\/blockquote>\n\n\n\n<p>\u6ce8\u610f\u8fd9\u53e5\u8bdd\u91cc\u6700\u91cd\u8981\u7684\u56db\u4e2a\u5b57\uff1a<\/p>\n\n\n\n<p><strong>\u5f80\u540e\u770b\u4e00\u773c\u3002<\/strong><\/p>\n\n\n\n<p>\u5b83\u7684\u672c\u8d28\u662f\u201c\u68c0\u67e5\u201d\uff0c\u4e0d\u662f\u201c\u6d88\u8017\u201d\u3002<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">\u4ec0\u4e48\u53eb\u201c\u4e0d\u6d88\u8017\u5b57\u7b26\u201d<\/h2>\n\n\n\n<p>\u666e\u901a\u6b63\u5219\u5339\u914d\u6210\u529f\u540e\uff0c\u4f1a\u628a\u90a3\u90e8\u5206\u5b57\u7b26\u5f53\u6210\u5df2\u7ecf\u8d70\u8fc7\u4e86\u3002<\/p>\n\n\n\n<p>\u800c\u9884\u67e5 <code>(?=...)<\/code> \u867d\u7136\u4e5f\u4f1a\u5224\u65ad\u6210\u529f\u6216\u5931\u8d25\uff0c\u4f46\u5b83\u6709\u4e00\u4e2a\u975e\u5e38\u91cd\u8981\u7684\u7279\u6027\uff1a<\/p>\n\n\n\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\">\n<p><strong>\u5b83\u672c\u8eab\u4e0d\u5360\u7528\u5b57\u7b26\u4f4d\u7f6e\u3002<\/strong><\/p>\n<\/blockquote>\n\n\n\n<p>\u4e5f\u5c31\u662f\u8bf4\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u5b83\u53ea\u8d1f\u8d23\u5224\u65ad\u201c\u4ece\u8fd9\u91cc\u5f00\u59cb\u5f80\u540e\u770b\uff0c\u80fd\u4e0d\u80fd\u7ec4\u6210\u76ee\u6807\u6a21\u5f0f\u201d<\/li>\n\n\n\n<li>\u4f46\u5224\u65ad\u5b8c\u4ee5\u540e\uff0c\u5f53\u524d\u4f4d\u7f6e\u8fd8\u505c\u5728\u539f\u5730<\/li>\n\n\n\n<li>\u5b83\u4e0d\u4f1a\u628a\u5b57\u7b26\u201c\u5403\u6389\u201d<\/li>\n<\/ul>\n\n\n\n<p>\u8fd9\u5c31\u662f\u5b83\u80fd\u5904\u7406\u91cd\u53e0\u5339\u914d\u7684\u6839\u672c\u539f\u56e0\u3002<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">\u7528 <code>0000<\/code> \u5177\u4f53\u6a21\u62df\u4e00\u904d<\/h2>\n\n\n\n<p>\u73b0\u5728\u6211\u4eec\u6765\u770b\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>(?=(\\d)\\d\\1)\n<\/code><\/pre>\n\n\n\n<p>\u8fd8\u662f\u5b57\u7b26\u4e32\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>\u4f4d\u7f6e:  1 2 3 4\n\u5b57\u7b26:  0 0 0 0\n<\/code><\/pre>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h3 class=\"wp-block-heading\">\u4ece\u4f4d\u7f6e 1 \u5f00\u59cb<\/h3>\n\n\n\n<p>\u9884\u67e5\u4f1a\u95ee\uff1a<\/p>\n\n\n\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\">\n<p>\u4ece\u4f4d\u7f6e 1 \u5f00\u59cb\u5f80\u540e\u770b\uff0c\u80fd\u4e0d\u80fd\u770b\u5230\u4e00\u4e2a <code>(\\d)\\d\\1<\/code>\uff1f<\/p>\n<\/blockquote>\n\n\n\n<p>\u7b54\u6848\u662f\u80fd\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u7b2c 1 \u4f4d <code>0<\/code><\/li>\n\n\n\n<li>\u7b2c 2 \u4f4d <code>0<\/code><\/li>\n\n\n\n<li>\u7b2c 3 \u4f4d <code>0<\/code><\/li>\n<\/ul>\n\n\n\n<p>\u6240\u4ee5\uff0c\u4f4d\u7f6e 1 \u8fd9\u91cc\u7b97\u53d1\u73b0\u4e86\u4e00\u4e2a\u5339\u914d\u3002<\/p>\n\n\n\n<p>\u4f46\u662f\u6ce8\u610f\uff1a<\/p>\n\n\n\n<p><strong>\u9884\u67e5\u53ea\u662f\u770b\u5230\u4e86\uff0c\u5e76\u6ca1\u6709\u628a\u7b2c 1~3 \u4f4d\u5403\u6389\u3002<\/strong><\/p>\n\n\n\n<p>\u6240\u4ee5\u63a5\u4e0b\u6765\uff0c\u6b63\u5219\u5f15\u64ce\u8fd8\u53ef\u4ee5\u7ee7\u7eed\u4ece\u4e0b\u4e00\u4e2a\u4f4d\u7f6e\u518d\u8bd5\u3002<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h3 class=\"wp-block-heading\">\u518d\u4ece\u4f4d\u7f6e 2 \u5f00\u59cb<\/h3>\n\n\n\n<p>\u5b83\u53c8\u95ee\uff1a<\/p>\n\n\n\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\">\n<p>\u4ece\u4f4d\u7f6e 2 \u5f00\u59cb\u5f80\u540e\u770b\uff0c\u80fd\u4e0d\u80fd\u770b\u5230\u4e00\u4e2a <code>(\\d)\\d\\1<\/code>\uff1f<\/p>\n<\/blockquote>\n\n\n\n<p>\u7b54\u6848\u8fd8\u662f\u80fd\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u7b2c 2 \u4f4d <code>0<\/code><\/li>\n\n\n\n<li>\u7b2c 3 \u4f4d <code>0<\/code><\/li>\n\n\n\n<li>\u7b2c 4 \u4f4d <code>0<\/code><\/li>\n<\/ul>\n\n\n\n<p>\u6240\u4ee5\uff0c\u4f4d\u7f6e 2 \u53c8\u53d1\u73b0\u4e86\u4e00\u4e2a\u5339\u914d\u3002<\/p>\n\n\n\n<p>\u4e8e\u662f\u603b\u5171\u5c31\u627e\u5230\u4e86 2 \u6b21\u3002<\/p>\n\n\n\n<p>\u8fd9\u6b63\u597d\u5bf9\u5e94\u9898\u76ee\u8981\u7edf\u8ba1\u7684\u4e24\u5bf9\u4ea4\u66ff\u91cd\u590d\u6570\u5b57\u3002<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">\u4e00\u53e5\u8bdd\u603b\u7ed3\u4e24\u8005\u5dee\u522b<\/h2>\n\n\n\n<p>\u53ef\u4ee5\u5148\u8bb0\u4f4f\u8fd9\u53e5\u975e\u5e38\u6838\u5fc3\u7684\u8bdd\uff1a<\/p>\n\n\n\n<p><strong>\u666e\u901a\u6a21\u5f0f <code>(\\d)\\d\\1<\/code> \u662f\u201c\u771f\u6b63\u5339\u914d\u5e76\u5403\u6389\u4e00\u6bb5\u5b57\u7b26\u201d\uff0c\u800c\u9884\u67e5\u6a21\u5f0f <code>(?=(\\d)\\d\\1)<\/code> \u662f\u201c\u7ad9\u5728\u6bcf\u4e2a\u4f4d\u7f6e\u5f80\u540e\u770b\u4e00\u773c\uff0c\u4f46\u4e0d\u5403\u6389\u5b57\u7b26\u201d\u3002<\/strong><\/p>\n\n\n\n<p>\u6240\u4ee5\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u4f1a\u201c\u5403\u6389\u5b57\u7b26\u201d\u7684\u666e\u901a\u5339\u914d\uff0c\u5bb9\u6613\u6f0f\u6389\u91cd\u53e0\u90e8\u5206<\/li>\n\n\n\n<li>\u4e0d\u201c\u5403\u6389\u5b57\u7b26\u201d\u7684\u9884\u67e5\uff0c\u53ef\u4ee5\u8ba9\u6bcf\u4e2a\u4f4d\u7f6e\u90fd\u88ab\u68c0\u67e5\u5230<\/li>\n<\/ul>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">\u518d\u770b\u4e00\u4e2a\u66f4\u76f4\u89c2\u7684\u4f8b\u5b50\uff1a<code>12121<\/code><\/h2>\n\n\n\n<p>\u5b57\u7b26\u4e32\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>\u4f4d\u7f6e:  1 2 3 4 5\n\u5b57\u7b26:  1 2 1 2 1\n<\/code><\/pre>\n\n\n\n<p>\u6211\u4eec\u8981\u627e <code>a b a<\/code>\u3002<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h3 class=\"wp-block-heading\">\u7528\u666e\u901a\u5339\u914d <code>(\\d)\\d\\1<\/code><\/h3>\n\n\n\n<p>\u4ece\u4f4d\u7f6e 1 \u5f00\u59cb\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><code>121<\/code> \u6210\u529f<\/li>\n<\/ul>\n\n\n\n<p>\u7136\u540e\u5b83\u4f1a\u8df3\u5230\u7b2c 4 \u4f4d\u7ee7\u7eed\u3002<\/p>\n\n\n\n<p>\u7b2c 4 \u4f4d\u540e\u9762\u53ea\u5269 <code>21<\/code>\uff0c\u4e0d\u591f 3 \u4e2a\u5b57\u7b26\u4e86\u3002<\/p>\n\n\n\n<p>\u6240\u4ee5\u5b83\u53ea\u627e\u5230\u4e00\u6b21\u3002<\/p>\n\n\n\n<p>\u4f46\u5b9e\u9645\u4e0a\uff0c\u5b57\u7b26\u4e32\u91cc\u8fd8\u6709\u53e6\u4e00\u6bb5\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u7b2c 3~5 \u4f4d <code>121<\/code><\/li>\n<\/ul>\n\n\n\n<p>\u8fd9\u5c31\u662f\u4e00\u4e2a\u88ab\u6f0f\u6389\u7684\u91cd\u53e0\u5339\u914d\u3002<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h3 class=\"wp-block-heading\">\u7528\u9884\u67e5 <code>(?=(\\d)\\d\\1)<\/code><\/h3>\n\n\n\n<p>\u5b83\u4f1a\u5728\u6bcf\u4e2a\u4f4d\u7f6e\u90fd\u770b\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u4f4d\u7f6e 1 \u5f00\u59cb\uff1a<code>121<\/code>\uff0c\u6210\u529f<\/li>\n\n\n\n<li>\u4f4d\u7f6e 2 \u5f00\u59cb\uff1a<code>212<\/code>\uff0c\u6210\u529f<\/li>\n\n\n\n<li>\u4f4d\u7f6e 3 \u5f00\u59cb\uff1a<code>121<\/code>\uff0c\u6210\u529f<\/li>\n<\/ul>\n\n\n\n<p>\u6240\u4ee5\u5b83\u80fd\u53d1\u73b0\u591a\u4e2a\u91cd\u53e0\u51fa\u73b0\u7684\u7ed3\u6784\u3002<\/p>\n\n\n\n<p>\u5f53\u7136\uff0c\u5728\u8fd9\u9053\u90ae\u7f16\u9898\u91cc\uff0c<code>12121<\/code> \u53ea\u662f\u5e2e\u52a9\u4f60\u7406\u89e3\u539f\u7406\uff0c\u5b9e\u9645\u90ae\u7f16\u957f\u5ea6\u56fa\u5b9a\u4e3a 6\u3002<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">\u4e3a\u4ec0\u4e48 <code>re.findall()<\/code> \u914d\u5408\u9884\u67e5\u7279\u522b\u5408\u9002<\/h2>\n\n\n\n<p>\u8fd9\u9898\u5e73\u53f0\u7528\u7684\u662f\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>re.findall(regex_alternating_repetitive_digit_pair, P)\n<\/code><\/pre>\n\n\n\n<p>\u5982\u679c\u6b63\u5219\u5199\u6210\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>(\\d)\\d\\1\n<\/code><\/pre>\n\n\n\n<p>\u90a3\u4e48 <code>findall()<\/code> \u4f1a\u627e\u201c\u666e\u901a\u5339\u914d\u5230\u7684\u5404\u6bb5\u201d\uff0c\u5339\u914d\u5b8c\u4e00\u6bb5\u540e\u7ee7\u7eed\u5f80\u540e\u627e\uff0c\u56e0\u6b64\u4f1a\u6f0f\u6389\u91cd\u53e0\u3002<\/p>\n\n\n\n<p>\u4f46\u5982\u679c\u5199\u6210\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>(?=(\\d)\\d\\1)\n<\/code><\/pre>\n\n\n\n<p>\u90a3\u4e48 <code>findall()<\/code> \u5b9e\u9645\u4e0a\u662f\u5728\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u4ece\u6bcf\u4e2a\u4f4d\u7f6e\u90fd\u89e6\u53d1\u4e00\u6b21\u201c\u9884\u67e5\u201d<\/li>\n\n\n\n<li>\u53ea\u8981\u5f53\u524d\u4f4d\u7f6e\u540e\u9762\u80fd\u7ec4\u6210 <code>a b a<\/code><\/li>\n\n\n\n<li>\u5c31\u7b97\u627e\u5230\u4e00\u6b21<\/li>\n<\/ul>\n\n\n\n<p>\u4e8e\u662f\u6240\u6709\u53ef\u80fd\u7684\u8d77\u70b9\u90fd\u88ab\u68c0\u67e5\u4e86\uff0c\u91cd\u53e0\u4e5f\u5c31\u4e0d\u4f1a\u6f0f\u3002<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">\u4f60\u53ef\u4ee5\u628a\u9884\u67e5\u770b\u6210\u201c\u7ad9\u6869\u626b\u63cf\u201d<\/h2>\n\n\n\n<p>\u8fd9\u4e2a\u6bd4\u55bb\u5f88\u9002\u5408\u521d\u5b66\u8005\u8bb0\u5fc6\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u666e\u901a\u5339\u914d<\/h3>\n\n\n\n<p>\u50cf\u4e00\u4e2a\u4eba\u5728\u8def\u4e0a\u8d70\uff0c\u770b\u5230\u4e00\u6bb5\u7b26\u5408\u6761\u4ef6\u7684\u5b57\u7b26\uff0c\u5c31\u628a\u8fd9\u4e00\u6574\u6bb5\u62ff\u8d70\uff0c\u7136\u540e\u8df3\u5230\u540e\u9762\u7ee7\u7eed\u3002<\/p>\n\n\n\n<p>\u6240\u4ee5\u4e2d\u95f4\u91cd\u53e0\u7684\u90e8\u5206\uff0c\u53ef\u80fd\u6ca1\u673a\u4f1a\u518d\u770b\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u9884\u67e5\u5339\u914d<\/h3>\n\n\n\n<p>\u50cf\u4e00\u4e2a\u4eba\u5728\u6bcf\u4e00\u4e2a\u4f4d\u7f6e\u90fd\u7ad9\u4e00\u4e0b\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u7ad9\u5728\u8fd9\u91cc\uff0c\u5f80\u524d\u770b\uff1f\u4e0d\u5bf9\uff0c\u662f<strong>\u5f80\u540e\u770b<\/strong><\/li>\n\n\n\n<li>\u770b\u4e00\u773c\u540e\u9762\u4e09\u683c\u662f\u4e0d\u662f\u7b26\u5408 <code>a b a<\/code><\/li>\n\n\n\n<li>\u770b\u5b8c\u4e0d\u52a8\uff0c\u518d\u632a\u5230\u4e0b\u4e00\u4e2a\u4f4d\u7f6e\u7ee7\u7eed\u770b<\/li>\n<\/ul>\n\n\n\n<p>\u6240\u4ee5\u4e0d\u4f1a\u6f0f\u3002<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">\u4e3a\u4ec0\u4e48\u8fd9\u9898\u5fc5\u987b\u7528\u9884\u67e5\uff0c\u800c\u4e0d\u662f\u666e\u901a\u5206\u7ec4<\/h2>\n\n\n\n<p>\u56e0\u4e3a\u9898\u76ee\u8981\u7684\u4e0d\u662f\u201c\u6709\u6ca1\u6709\u67d0\u4e00\u6bb5\u5339\u914d\u201d\uff0c\u800c\u662f\uff1a<\/p>\n\n\n\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\">\n<p><strong>\u5230\u5e95\u6709\u591a\u5c11\u5bf9 alternating repetitive digit pair\u3002<\/strong><\/p>\n<\/blockquote>\n\n\n\n<p>\u800c\u8fd9\u4e9b pair \u53ef\u80fd\u662f\u91cd\u53e0\u51fa\u73b0\u7684\u3002<\/p>\n\n\n\n<p>\u6bd4\u5982 <code>110000<\/code>\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>1 1 0 0 0 0\n    |___|   \u7b2c 3,5 \u4f4d\uff1a0...0\n      |___| \u7b2c 4,6 \u4f4d\uff1a0...0\n<\/code><\/pre>\n\n\n\n<p>\u8fd9\u4e24\u5bf9\u662f\u91cd\u53e0\u7684\u3002<\/p>\n\n\n\n<p>\u5982\u679c\u4f60\u7528\u666e\u901a\u7684\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>(\\d)\\d\\1\n<\/code><\/pre>\n\n\n\n<p>\u5c31\u5bb9\u6613\u5c11\u7b97\u3002<\/p>\n\n\n\n<p>\u800c\u9898\u76ee\u660e\u786e\u8981\u6c42\u4e0d\u80fd\u8d85\u8fc7 1 \u5bf9\uff0c\u6240\u4ee5\u5c11\u7b97\u5c31\u4f1a\u76f4\u63a5\u5224\u9519\u3002<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">\u672c\u8282\u5c0f\u7ed3<\/h2>\n\n\n\n<p>\u8fd9\u4e00\u8282\u4f60\u771f\u6b63\u8981\u6293\u4f4f\u7684\uff0c\u4e0d\u662f\u201c\u9884\u67e5\u5f88\u9ad8\u7ea7\u201d\uff0c\u800c\u662f\u4e0b\u9762\u8fd9\u7ec4\u672c\u8d28\u533a\u522b\uff1a<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u666e\u901a\u6a21\u5f0f <code>(\\d)\\d\\1<\/code><\/h3>\n\n\n\n<p>\u5b83\u662f\u5728\u505a\uff1a<\/p>\n\n\n\n<p><strong>\u771f\u6b63\u5339\u914d\u4e00\u6bb5\u5b57\u7b26<\/strong><\/p>\n\n\n\n<p>\u7279\u70b9\u662f\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u5339\u914d\u6210\u529f\u540e\u4f1a\u5411\u524d\u63a8\u8fdb<\/li>\n\n\n\n<li>\u5df2\u7ecf\u5339\u914d\u8fc7\u7684\u90a3\u6bb5\u4e0d\u4f1a\u91cd\u65b0\u4f5c\u4e3a\u65b0\u8d77\u70b9\u53bb\u8bd5<\/li>\n\n\n\n<li>\u56e0\u6b64\u53ef\u80fd\u6f0f\u6389\u91cd\u53e0\u5339\u914d<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">\u9884\u67e5\u6a21\u5f0f <code>(?=(\\d)\\d\\1)<\/code><\/h3>\n\n\n\n<p>\u5b83\u662f\u5728\u505a\uff1a<\/p>\n\n\n\n<p><strong>\u4ece\u5f53\u524d\u4f4d\u7f6e\u5411\u540e\u68c0\u67e5\u662f\u5426\u6ee1\u8db3\u67d0\u6a21\u5f0f<\/strong><\/p>\n\n\n\n<p>\u7279\u70b9\u662f\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u53ea\u68c0\u67e5\uff0c\u4e0d\u6d88\u8017\u5b57\u7b26<\/li>\n\n\n\n<li>\u6bcf\u4e2a\u4f4d\u7f6e\u90fd\u80fd\u4f5c\u4e3a\u8d77\u70b9\u91cd\u65b0\u68c0\u67e5<\/li>\n\n\n\n<li>\u6240\u4ee5\u80fd\u770b\u89c1\u91cd\u53e0\u5339\u914d<\/li>\n<\/ul>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">\u4f60\u4e0b\u6b21\u505a\u7c7b\u4f3c\u9898\u65f6\u600e\u4e48\u5224\u65ad\u8981\u4e0d\u8981\u7528\u9884\u67e5<\/h2>\n\n\n\n<p>\u770b\u5230\u4e0b\u9762\u8fd9\u79cd\u9700\u6c42\u65f6\uff0c\u5c31\u8981\u7acb\u523b\u63d0\u9ad8\u8b66\u60d5\uff1a<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li>\u9898\u76ee\u8981\u6c42\u201c\u7edf\u8ba1\u51fa\u73b0\u6b21\u6570\u201d<\/li>\n\n\n\n<li>\u5339\u914d\u7ed3\u679c\u53ef\u80fd\u5f7c\u6b64\u91cd\u53e0<\/li>\n\n\n\n<li>\u4e0d\u80fd\u6f0f\u6389\u4efb\u4f55\u53ef\u80fd\u7684\u8d77\u70b9<\/li>\n<\/ol>\n\n\n\n<p>\u8fd9\u65f6\u5c31\u5f88\u53ef\u80fd\u8981\u8003\u8651\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>(?=...)\n<\/code><\/pre>\n\n\n\n<p>\u4e5f\u5c31\u662f\u201c\u96f6\u5bbd\u65ad\u8a00 \/ \u6b63\u5411\u9884\u67e5\u201d\u3002<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">\u5c0f\u7ec3\u4e60<\/h2>\n\n\n\n<p>\u4f60\u53ef\u4ee5\u81ea\u5df1\u5148\u8bd5\u7740\u5224\u65ad\uff0c\u4e0d\u8981\u6025\u7740\u5199\u4ee3\u7801\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u7ec3\u4e60\u9898<\/h3>\n\n\n\n<p>\u5bf9\u4e8e\u5b57\u7b26\u4e32 <code>1231231<\/code>\uff0c\u6a21\u5f0f\u4ecd\u7136\u662f <code>a b a<\/code>\uff0c\u4e5f\u5c31\u662f\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>(\\d)\\d\\1\n<\/code><\/pre>\n\n\n\n<p>\u8bf7\u4f60\u5206\u522b\u601d\u8003\uff1a<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li>\u7528\u666e\u901a\u6a21\u5f0f <code>(\\d)\\d\\1<\/code>\uff0c<code>findall()<\/code> \u5927\u6982\u4f1a\u627e\u5230\u51e0\u6b21\uff1f<\/li>\n\n\n\n<li>\u7528\u9884\u67e5\u6a21\u5f0f <code>(?=(\\d)\\d\\1)<\/code>\uff0c\u5927\u6982\u4f1a\u627e\u5230\u51e0\u6b21\uff1f<\/li>\n\n\n\n<li>\u54ea\u4e9b\u5339\u914d\u662f\u91cd\u53e0\u7684\uff1f<\/li>\n<\/ol>\n\n\n\n<h3 class=\"wp-block-heading\">\u63d0\u793a<\/h3>\n\n\n\n<p>\u4f60\u53ef\u4ee5\u628a\u6bcf\u4e2a\u4f4d\u7f6e\u90fd\u5199\u51fa\u6765\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u4ece\u7b2c 1 \u4f4d\u5f00\u59cb\u770b 3 \u4e2a\u5b57\u7b26<\/li>\n\n\n\n<li>\u4ece\u7b2c 2 \u4f4d\u5f00\u59cb\u770b 3 \u4e2a\u5b57\u7b26<\/li>\n\n\n\n<li>\u4ece\u7b2c 3 \u4f4d\u5f00\u59cb\u770b 3 \u4e2a\u5b57\u7b26<\/li>\n\n\n\n<li>\u2026<\/li>\n<\/ul>\n\n\n\n<p>\u8fd9\u6837\u4f60\u4f1a\u975e\u5e38\u76f4\u89c2\u5730\u770b\u51fa\uff0c\u4e3a\u4ec0\u4e48\u201c\u6bcf\u4e2a\u4f4d\u7f6e\u90fd\u68c0\u67e5\u4e00\u6b21\u201d\u8fd9\u4ef6\u4e8b\u8fd9\u4e48\u91cd\u8981\u3002<\/p>\n\n\n\n<p><\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u9898\u76ee\u8003\u70b9 \u8fd9\u9053\u9898\u4e3b\u8981\u8003\u7684\u662f\u4e24\u4e2a\u70b9\uff1a \u4e5f\u5c31\u662f\u8bf4\uff0c\u8fd9\u9898\u672c\u8d28\u4e0a\u4e0d\u662f\u201c\u5199\u5b8c\u6574\u7a0b\u5e8f\u201d\uff0c\u800c\u662f\u201c\u628a\u89c4\u5219\u7ffb\u8bd1\u6210\u6b63\u5219\u201d\u3002 \u5ba1\u9898  [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[54],"tags":[],"class_list":["post-2144","post","type-post","status-publish","format-standard","hentry","category-text"],"_links":{"self":[{"href":"http:\/\/www.preluna.xyz\/index.php\/wp-json\/wp\/v2\/posts\/2144","targetHints":{"allow":["GET"]}}],"collection":[{"href":"http:\/\/www.preluna.xyz\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/www.preluna.xyz\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/www.preluna.xyz\/index.php\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"http:\/\/www.preluna.xyz\/index.php\/wp-json\/wp\/v2\/comments?post=2144"}],"version-history":[{"count":1,"href":"http:\/\/www.preluna.xyz\/index.php\/wp-json\/wp\/v2\/posts\/2144\/revisions"}],"predecessor-version":[{"id":2146,"href":"http:\/\/www.preluna.xyz\/index.php\/wp-json\/wp\/v2\/posts\/2144\/revisions\/2146"}],"wp:attachment":[{"href":"http:\/\/www.preluna.xyz\/index.php\/wp-json\/wp\/v2\/media?parent=2144"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/www.preluna.xyz\/index.php\/wp-json\/wp\/v2\/categories?post=2144"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/www.preluna.xyz\/index.php\/wp-json\/wp\/v2\/tags?post=2144"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}