{"id":285,"date":"2024-01-31T00:20:00","date_gmt":"2024-01-30T16:20:00","guid":{"rendered":"https:\/\/www.n-bc.top\/?p=285"},"modified":"2026-08-21T11:44:35","modified_gmt":"2026-08-21T03:44:35","slug":"%e5%88%86%e6%95%b0%e6%a0%91","status":"publish","type":"post","link":"https:\/\/www.n-bc.top\/?p=285","title":{"rendered":"\u5206\u6570\u6811"},"content":{"rendered":"\n<p class=\"wp-block-paragraph\">19\u4e16\u7eaa\u7684\u65f6\u5019\uff0cMoriz Stern\uff081858\uff09\u4e0eAchille Brocot\uff081860\uff09\u53d1\u660e\u4e86\u201c\u4e00\u68f5\u6811\u201d\u3002\u636e\u8bf4\uff0c\u7ecf\u7531\u4e00\u4e9b\u7b80\u5355\u7684\u89c4\u5219\u800c\u4ea7\u751f\u7684\u8fd9\u4e00\u68f5\u6811\u4e0a\uff0c\u53ef\u4ee5\u5305\u542b\u96f6\u4ee5\u4e0a\u6240\u6709\u7684\u6709\u7406\u6570\u3002\u8fd9\u68f5\u6811\u770b\u8d77\u6765\u5927\u81f4\u8fd9\u6837\uff1a&nbsp;\u6b64\u9898 \u5217 \u5bf9\u5e94 \u6211\u4eec\u4f20\u7edf\u7684\u884c<\/p>\n\n\n\n<figure class=\"wp-block-image\"><div class='fancybox-wrapper lazyload-container-unload' data-fancybox='post-images' href='https:\/\/bmh.coderlands.com\/upload\/image\/20230301\/20230301151853_99158.jpg'><img class=\"lazyload lazyload-style-1\" src=\"data:image\/svg+xml;base64,PCEtLUFyZ29uTG9hZGluZy0tPgo8c3ZnIHdpZHRoPSIxIiBoZWlnaHQ9IjEiIHhtbG5zPSJodHRwOi8vd3d3LnczLm9yZy8yMDAwL3N2ZyIgc3Ryb2tlPSIjZmZmZmZmMDAiPjxnPjwvZz4KPC9zdmc+\"  decoding=\"async\" data-original=\"https:\/\/bmh.coderlands.com\/upload\/image\/20230301\/20230301151853_99158.jpg\" src=\"data:image\/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAYAAAAfFcSJAAAAAXNSR0IArs4c6QAAAARnQU1BAACxjwv8YQUAAAAJcEhZcwAADsQAAA7EAZUrDhsAAAANSURBVBhXYzh8+PB\/AAffA0nNPuCLAAAAAElFTkSuQmCC\" alt=\"\"\/><\/div><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">\u4f60\u89c2\u5bdf\u51fa\u89c4\u5219\u4e86\u5417\uff1f<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u9996\u5148\uff0c\u5b83\u4eec\u5728\u7b2c\u4e00\u5217\u653e\u4e24\u4e2a\u201c\u5206\u6570\u201d\uff0c\u7b2c\u4e00\u4e2a\u662f0\/1\uff0c\u4ee3\u88680\uff1b\u7b2c\u4e8c\u4e2a\u662f1\/0\uff0c\u4ee3\u8868\u65e0\u7a77\u5927\u3002\u63a5\u7740\u5b83\u4eec\u4e00\u5217\u4e00\u5217\u7684\u4ea7\u751f\u8fd9\u68f5\u6811\uff0c\u5f53\u5b83\u4eec\u8981\u4ea7\u751f\u7b2ck+1\u5217\u7684\u65f6\u5019\uff0c\u5c31\u5148\u628a\u524dk\u5217\u6240\u6709\u7684\u5206\u6570\u6309\u7167\u5927\u5c0f\u6392\u6210\u4e00\u5217\uff08\u5047\u8bbe\u6709n\u4e2a\uff09\uff0c\u5728\u8fd9\u4e9b\u6570\u4e4b\u95f4\u4f1a\u6709n-1\u4e2a\u95f4\u9694\uff0c\u90a3\u4e48\u7b2ck+1\u5217\u5c31\u51c6\u5907\u4ea7\u751fn-1\u4e2a\u6570\uff0c\u5176\u503c\u7684\u5206\u5b50\u6070\u597d\u662f\u5de6\u53f3\u4e24\u4e2a\u6570\u7684\u5206\u5b50\u7684\u548c\uff0c\u5206\u6bcd\u662f\u5de6\u53f3\u4e24\u4e2a\u6570\u7684\u5206\u6bcd\u7684\u548c\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u4f8b\u5982\uff0c2\/3\uff0c\u800c\u5b83\u76842\u5c31\u662f\u5de6\u8fb91\/2\u76841\u548c\u53f3\u8fb91\/1\u7684\u5206\u5b501\u76f8\u52a0\u7684\u7ed3\u679c\uff1b\u800c2\/3\u76843\uff0c\u5219\u662f1\/2\u76842\u52a0\u4e0a1\/1\u7684\u5206\u6bcd1\u800c\u5f97\u3002 \u4ece\u8fd9\u68f5\u6811\u4e2d\uff0c\u6211\u4eec\u53ef\u4ee5\u770b\u51fa\uff0c\u6bcf\u4e2a\u6b63\u7684\u6700\u7b80\u5206\u6570\u5728\u8fd9\u68f5\u6811\u4e2d\u6070\u597d\u51fa\u73b0\u4e00\u6b21\uff0c\u6211\u4eec\u7528\u5b57\u6bcd\u201cL\u201d\u548c\u201cR\u201d\u5206\u522b\u8868\u793a\u4ece\u6811\u6839\uff081\/1\uff09\u5f00\u59cb\u7684\u4e00\u6b65\u201c\u5f80\u5de6\u8d70\u201d\u548c\u201c\u5f80\u53f3\u8d70\u201d\uff0c\u5219\u6bcf\u4e00\u4e2a\u6570\u90fd\u53ef\u4ee5\u7531L\u548cR\u7ec4\u6210\u7684\u5e8f\u5217\u8868\u793a\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u4f8b\u5982\uff0cLRRL\u8868\u793a\u4ece1\/1\u5f00\u59cb\u5f80\u5de6\u8d70\u4e00\u6b65\u52301\/2\uff0c\u7136\u540e\u5f80\u53f3\u8d70\u52302\/3\uff0c\u518d\u5f80\u53f3\u8d70\u52303\/4\uff0c\u6700\u540e\u5f80\u5de6\u8d70\u52305\/7\u3002\u6211\u4eec\u53ef\u4ee5\u628aLRRL\u770b\u4f5c5\/7\u7684\u4e00\u79cd\u8868\u793a\u6cd5\u3002\u51e0\u4e4e\u6bcf\u4e2a\u6b63\u5206\u6570\u5747\u6709\u552f\u4e00\u7684\u65b9\u6cd5\u8868\u793a\u6210\u4e00\u4e2a\u7531L\u548cR\u7ec4\u6210\u7684\u5e8f\u5217\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u7ed9\u5b9a\u4e00\u4e2a\u5206\u6570\uff0c\u8f93\u51fa\u5b83\u7684LR\u8868\u793a\u6cd5\u3002<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h4 class=\"wp-block-heading\">\u8f93\u5165\u683c\u5f0f(Format Input)<\/h4>\n\n\n\n<p class=\"wp-block-paragraph\">\u6709\u4e24\u4e2a\u4e92\u4e3a\u7d20\u6570\u7684\u6b63\u6574\u6570m\u548cn\uff081&lt;=n,m&lt;=1000\uff09<\/p>\n\n\n\n<h4 class=\"wp-block-heading\">\u8f93\u51fa\u683c\u5f0f(Format Output)<\/h4>\n\n\n\n<p class=\"wp-block-paragraph\">\u5bf9\u5e94\u7684LR\u8868\u793a\u6cd5<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h4 class=\"wp-block-heading\">\u8f93\u5165\u6837\u4f8b(Sample Input)&nbsp;<\/h4>\n\n\n\n<p class=\"wp-block-paragraph\">5 7<\/p>\n\n\n\n<h4 class=\"wp-block-heading\">\u8f93\u51fa\u6837\u4f8b(Sample Output)<\/h4>\n\n\n\n<p class=\"wp-block-paragraph\">LRRL<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>\u4ee3\u7801(Code)<\/strong><\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>#include&lt;bits\/stdc++.h&gt;\nusing namespace std;\nint n,m;\nstring ans;\nvoid dfs(int l1,int l2,int r1,int r2)\n{\n    int a1=l1+r1;\n    int a2=l2+r2;\n    if(a1==n&amp;&amp;a2==m)\t\n    {\n        cout&lt;&lt;ans;\n        exit(0);\n    }\n    if(n*a2&lt;a1*m)\n    {\n        ans+='L';\n        dfs(l1,l2,a1,a2);\n    }\n    if(n*a2&gt;a1*m)\n    {\n        ans+='R';\n        dfs(a1,a2,r1,r2);\n    }\n}\nint main()\n{\n    cin&gt;&gt;n&gt;&gt;m;\n    dfs(0,1,1,0); \n    return 0;\n}<\/code><\/pre>\n","protected":false},"excerpt":{"rendered":"<p>19\u4e16\u7eaa\u7684\u65f6\u5019\uff0cMoriz Stern\uff081858\uff09\u4e0eAchille Brocot\uff081860\uff09\u53d1\u660e\u4e86\u201c\u4e00\u68f5\u6811\u201d\u3002\u636e\u8bf4\uff0c\u7ecf\u7531\u4e00\u4e9b\u7b80\u5355\u7684\u89c4\u5219\u800c\u4ea7\u751f\u7684\u8fd9\u4e00\u68f5\u6811\u4e0a\uff0c\u53ef\u4ee5\u5305\u542b\u96f6\u4ee5\u4e0a\u6240\u6709\u7684\u6709\u7406\u6570\u3002\u8fd9\u68f5\u6811\u770b\u8d77\u6765\u5927\u81f4\u8fd9\u6837\uff1a&nbsp;\u6b64\u9898 \u5217 \u5bf9\u5e94 \u6211\u4eec &hellip;<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":[],"categories":[3,1],"tags":[],"class_list":["post-285","post","type-post","status-publish","format-standard","hentry","category-js","category-origin"],"_links":{"self":[{"href":"https:\/\/www.n-bc.top\/index.php?rest_route=\/wp\/v2\/posts\/285","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.n-bc.top\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.n-bc.top\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.n-bc.top\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.n-bc.top\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=285"}],"version-history":[{"count":0,"href":"https:\/\/www.n-bc.top\/index.php?rest_route=\/wp\/v2\/posts\/285\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.n-bc.top\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=285"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.n-bc.top\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=285"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.n-bc.top\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=285"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}