{"id":679,"date":"2016-10-30T18:29:48","date_gmt":"2016-10-30T10:29:48","guid":{"rendered":"https:\/\/nike0good.com\/?p=679"},"modified":"2025-02-08T07:35:59","modified_gmt":"2025-02-07T23:35:59","slug":"bzoj%e6%b0%b4%e9%a2%98%e5%a4%a7%e4%b9%b1%e6%96%972","status":"publish","type":"post","link":"https:\/\/nike0good.com\/?p=679","title":{"rendered":"BZOJ\u6c34\u9898\u5927\u4e71\u65972"},"content":{"rendered":"<p>[upd 2016.9.29] \u4eca\u5929\u597d\u65e0\u804a\u4e0d\u5982\u6765\u5237\u6392\u4f4d<br \/>[upd 2016.10.22] \u5e72\u8106\u5728vjudge\u4e0a\u5c6f\u7740\u5427<br \/>\n[upd 2016.10.23] \u5468\u672b10\u9898\u65a9~<br \/>\n[upd 2016.10.28] bc89 fst\u4e86B\uff0c\u53ef\u601c\u6211\u7684RATING<br \/>\n[upd 2016.10.29] 19\u70b9\u505a\u5b8c\uff01\u6492\u82b1<\/p>\n<p>#50\/50<\/p>\n<table style=\"width:100%;table-layout:fixed;\">\n<thead>\n<tr>\n<th align=\"left\" style=\"width:30%;table-layout:fixed;\">\u9898\u76ee<\/th>\n<th align=\"left\">\u89e3\u6cd5<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td align=\"left\">2653: middle<\/td>\n<td align=\"left\">\u7ecf\u5178\u9898\uff0c\u9759\u6001\u6570\u5217\u5f3a\u5236\u5728\u7ebf\u8be2\u95ee\u533a\u95f4\u4e2d\u4f4d\u6570\uff0c\u53ef\u6301\u4e45\u5316\u7ebf\u6bb5\u6811+\u4e8c\u5206<\/td>\n<\/tr>\n<tr>\n<td align=\"left\">3207: \u82b1\u795e\u7684\u5632\u8bbd\u8ba1\u5212\u2160<\/td>\n<td align=\"left\">\u53ef\u6301\u4e45\u5316\u7ebf\u6bb5\u6811+uint hash<\/td>\n<\/tr>\n<tr>\n<td align=\"left\">3932: [CQOI2015]\u4efb\u52a1\u67e5\u8be2\u7cfb\u7edf<\/td>\n<td align=\"left\">\u53ef\u6301\u4e45\u5316\u7ebf\u6bb5\u6811\uff0c\u79bb\u7ebf\u5904\u7406\uff0c\u5355\u70b9\u4fee\u6539\uff0c\u533a\u95f4\u524dk\u5927\u548c<\/td>\n<\/tr>\n<tr>\n<td align=\"left\">2588: Spoj 10628. Count on a tree<\/td>\n<td align=\"left\">\u53ef\u6301\u4e45\u5316\u7ebf\u6bb5\u6811\uff0c\u9759\u6001\u6811\uff0c\u5f3a\u5236\u5728\u7ebf\u94fe\u4e0a\u7b2ck\u5c0f<\/td>\n<\/tr>\n<tr>\n<td align=\"left\">3123: [Sdoi2013]\u68ee\u6797<\/td>\n<td align=\"left\">\u53ef\u6301\u4e45\u5316\u7ebf\u6bb5\u6811\uff0c\u68ee\u6797\uff0c\u5f3a\u5236\u5728\u7ebf\u652f\u6301\u8fde\u8fb9\uff0c\u94fe\u4e0a\u7b2ck\u5c0f\uff0c\u628a\u5c0f\u7684\u6811\u66b4\u529b\u91cd\u6784\u5c31\u884c<\/td>\n<\/tr>\n<tr>\n<td align=\"left\">3744: Gty\u7684\u59b9\u5b50\u5e8f\u5217<\/td>\n<td align=\"left\">\u53ef\u6301\u4e45\u5316\u7ebf\u6bb5\u6811\uff0c\u5f3a\u5236\u5728\u7ebf\u533a\u95f4\u9006\u5e8f\u5bf9\u6570<\/td>\n<\/tr>\n<tr>\n<td align=\"left\">3289: Mato\u7684\u6587\u4ef6\u7ba1\u7406<\/td>\n<td align=\"left\">\u83ab\u961f\uff0c\u533a\u95f4\u9006\u5e8f\u5bf9\u6570<\/td>\n<\/tr>\n<tr>\n<td align=\"left\">1025: [SCOI2009]\u6e38\u620f<\/td>\n<td align=\"left\"><span class=\"MathJax_Preview\">\\(f{i,j}\\)<\/span><script type=\"math\/tex\">f{i,j}<\/script>\u8868\u793a\u524d<span class=\"MathJax_Preview\">\\(i\\)<\/span><script type=\"math\/tex\">i<\/script>\u4e2a\u8d28\u6570\u4e2d<span class=\"MathJax_Preview\">\\(\\sum_{i=1}^m{p_i ^{m_i}}\\)<\/span><script type=\"math\/tex\">\\sum_{i=1}^m{p_i ^{m_i}}<\/script> \u4e3aj\u7684\u6570\u7684\u4e2a\u6570\uff0c\u5219\u663e\u7136<span class=\"MathJax_Preview\">\\(f_{i,j}=f_{i-1,j}+\\sum_k f_{i-1,j-p^k}\\)<\/span><script type=\"math\/tex\">f_{i,j}=f_{i-1,j}+\\sum_k f_{i-1,j-p^k}<\/script>, \u521d\u59cb\u503c<span class=\"MathJax_Preview\">\\(f_{0,0}=1\\)<\/span><script type=\"math\/tex\">f_{0,0}=1<\/script>,<span class=\"MathJax_Preview\">\\(ans=\\sum_{i=0}^n f_{tot,i}\\)<\/span><script type=\"math\/tex\">ans=\\sum_{i=0}^n f_{tot,i}<\/script><\/td>\n<\/tr>\n<tr>\n<td align=\"left\">1058: [ZJOI2007]\u62a5\u8868\u7edf\u8ba1<\/td>\n<td align=\"left\">\u5f002\u4e2aset<\/td>\n<\/tr>\n<tr>\n<td align=\"left\">3930: [CQOI2015]\u9009\u6570<\/td>\n<td align=\"left\">\u5b89\u5229 http:\/\/blog.csdn.net\/popoqqq\/article\/details\/44917831<\/td>\n<\/tr>\n<tr>\n<td align=\"left\">4451 : [Cerc2015]Frightful Formula<\/td>\n<td align=\"left\">fft mod 1e9+7 \u5206\u5757\u5199\u6cd5 \u5b89\u5229http:\/\/www.cnblogs.com\/clrs97\/p\/5308851.html \u4ea4\u9898\u5728LA7329<\/td>\n<\/tr>\n<tr>\n<td align=\"left\">1061: [Noi2008]\u5fd7\u613f\u8005\u62db\u52df<\/td>\n<td align=\"left\">\u5b89\u5229PoPoQQQ\u7684\u9898\u89e3[\u5355\u7eaf\u5f62][http:\/\/blog.csdn.net\/popoqqq\/article\/details\/44310605]<\/td>\n<\/tr>\n<tr>\n<td align=\"left\">3112: [Zjoi2013]\u9632\u5b88\u6218\u7ebf<\/td>\n<td align=\"left\">\u548c\u4e0a\u9898\u6ca1\u5dee\uff0c\u5355\u7eaf\u5f62\u7684\u5bf9\u5076\u5c31\u662fA\u6362\u6210<span class=\"MathJax_Preview\">\\(A^T\\)<\/span><script type=\"math\/tex\">A^T<\/script>,b,c\u5bf9\u8c03\uff0cn,m\u4e92\u6362\u3002<span class=\"MathJax_Preview\">\\(Ay\\ge b,min(Cy)\\)<\/span><script type=\"math\/tex\">Ay\\ge b,min(Cy)<\/script><\/td>\n<\/tr>\n<tr>\n<td align=\"left\">BZOJ 3308\/tyvj P1564: \u4e5d\u6708\u7684\u5496\u5561\u5e97<\/td>\n<td align=\"left\">\u795e\u7ed3\u8bba\u9898\uff0c\u53ea\u67091\uff0c \u5355\u4e2a\u8d28\u6570\u7684\u82e5\u5e72\u5e42\u6b21\uff0c\u4e24\u4e2a\u8d28\u6570a,b(<span class=\"MathJax_Preview\">\\(a&lt;\\sqrt n &lt; b\\)<\/span><script type=\"math\/tex\">a<\\sqrt n < b<\/script>)\u7684\u5e42\u6b21\u7684\u4e58\u79ef\u53ef\u80fd\u53d6\u5230,\u9644\u5927\u7237[\u9898\u89e3][http:\/\/blog.csdn.net\/popoqqq\/article\/details\/45725661]<\/td>\n<\/tr>\n<tr>\n<td align=\"left\">1821: [JSOI2010]Group \u90e8\u843d\u5212\u5206 Group<\/td>\n<td align=\"left\">\u5bf9\u70b9\u5bf9\u8fde\u8fb9\u5e76\u6392\u5e8f\uff0c\u5e76\u67e5\u96c6\u8d2a\u5fc3<\/td>\n<\/tr>\n<tr>\n<td align=\"left\">3555: [Ctsc2014]\u4f01\u9e45QQ<\/td>\n<td align=\"left\">\u679a\u4e3e\u4e0d\u540c\u5b57\u6bcd\u7684\u4f4d\u7f6e\uff0c\u7136\u540e2\u904dhash<\/td>\n<\/tr>\n<tr>\n<td align=\"left\">3212: Pku3468 A Simple Problem with Integers<\/td>\n<td align=\"left\">\u5475\u5475<\/td>\n<\/tr>\n<tr>\n<td align=\"left\">3680: \u540a\u6253XXX<\/td>\n<td align=\"left\">\u722c\u5c71\u7b97\u6cd5http:\/\/hzwer.com\/4139.html<\/td>\n<\/tr>\n<tr>\n<td align=\"left\">1193: [HNOI2006]\u9a6c\u6b65\u8ddd\u79bb<\/td>\n<td align=\"left\">\u5927\u8303\u56f4\u641c\u7d22\uff0c\u5c0f\u8303\u56f4\u66b4\u641c\uff0c\u5047\u8bbe\u5f53\u524d(0,0),\u76ee\u6807(x,y)\u8d2a\u5fc3\u7684\u5177\u4f53\u65b9\u6cd5\uff1a\u5f53<span class=\"MathJax_Preview\">\\(x\\ge y,x-4\\ge 2y\\)<\/span><script type=\"math\/tex\">x\\ge y,x-4\\ge 2y<\/script>\u65f6\uff0c\u8d70<span class=\"MathJax_Preview\">\\((4,0)\\)<\/span><script type=\"math\/tex\">(4,0)<\/script>,\u5426\u5219\u8d70<span class=\"MathJax_Preview\">\\((4,2)\\)<\/span><script type=\"math\/tex\">(4,2)<\/script><\/td>\n<\/tr>\n<tr>\n<td align=\"left\">1876: [SDOI2009]SuperGCD<\/td>\n<td align=\"left\">\u666e\u901a\u7684\u9ad8\u7cbe\u5ea6\u8981\u5904\u7406\u9ad8\u7cbe%\u9ad8\u7cbe\uff0c\u663e\u7136\u4e0d\u884c\uff0c\u4e8e\u662f\u4f7f\u7528[stein][http:\/\/baike.baidu.com\/link?url=QtSt9ZVKwuGIjELH8a3jSuqaVmngX8LDull4siXeR971xC37AK5BTIEOgWNAILEbTJn_PWAEUtMewPiwRm4t3q]\u52a0\u901f(Stein\u7b97\u6cd5\u662f\u9488\u5bf9\u6b27\u51e0\u91cc\u5fb7\u7b97\u6cd5\u5728\u5bf9\u5927\u6574\u6570\u8fdb\u884c\u8fd0\u7b97\u65f6\uff0c\u9700\u8981\u8bd5\u5546\u5bfc\u81f4\u589e\u52a0\u8fd0\u7b97\u65f6\u95f4\u7684\u7f3a\u9677\u800c\u63d0\u51fa\u7684\u6539\u8fdb\u7b97\u6cd5)<\/td>\n<\/tr>\n<tr>\n<td align=\"left\">2843: \u6781\u5730\u65c5\u884c\u793e<\/td>\n<td align=\"left\">LCT\u88f8\u9898!\u677f\u5b50\u91cc\u5c45\u7136\u6ca1\u6709find_root(),o(\ufe36\ufe3f\ufe36)o \u5509<\/td>\n<\/tr>\n<tr>\n<td align=\"left\">2134: \u5355\u9009\u9519\u4f4d<\/td>\n<td align=\"left\">\u671f\u671b=\u53ef\u80fd\u60c5\u51b5\/\u603b\u60c5\u51b5\uff0c\u5355\u72ec\u8003\u8651\u6bcf\u9053\u9898\uff0c<span class=\"MathJax_Preview\">\\(ans=\\sum_1^n{\\frac {min(a,b)} {ab} }= \\sum_1^n{\\frac {1} {max(a,b)} }\\)<\/span><script type=\"math\/tex\">ans=\\sum_1^n{\\frac {min(a,b)} {ab} }= \\sum_1^n{\\frac {1} {max(a,b)} }<\/script>,\u5176\u4e2da,b\u4e3a\u76f8\u90bb\u4e24\u9053\u9898\u7684\u9009\u9879\u6570<\/td>\n<\/tr>\n<tr>\n<td align=\"left\">1077: [SCOI2008]\u5929\u5e73<\/td>\n<td align=\"left\">\u7531\u4e8e\u5929\u5e73\u91cd\u91cf\u53ea\u67091,2,3\u6211\u4eec\u53ef\u4ee5\u8ba1\u7b972\u4e2a\u781d\u7801\u91cd\u91cf\u5dee\u503c\u7684\u4e0a\u4e0b\u754c\uff0c\u7136\u540edp\uff0c\u5b89\u5229http:\/\/blog.csdn.net\/scyjcp\/article\/details\/52622261<\/td>\n<\/tr>\n<tr>\n<td align=\"left\">1103: [POI2007]\u5927\u90fd\u5e02meg<\/td>\n<td align=\"left\">dfs\u624b\u5199\u6808\uff0c\u6c42\u51fadfs\u5e8f\uff0c\u7136\u540e\u7528\u6811\u72b6\u6570\u7ec4\u5904\u7406\u524d\u7f00\u548c<\/td>\n<\/tr>\n<tr>\n<td align=\"left\">1303: [CQOI2009]\u4e2d\u4f4d\u6570\u56fe<\/td>\n<td align=\"left\">\u66b4\u529b\u4ece\u4e2d\u4f4d\u6570\u5411\u4e24\u8fb9\u8d70<\/td>\n<\/tr>\n<tr>\n<td align=\"left\">1304: [CQOI2009]\u53f6\u5b50\u7684\u67d3\u8272<\/td>\n<td align=\"left\">\u663e\u7136\u968f\u4fbf\u53d6\u4e00\u4e2a\u6839\u8282\u70b9\uff0c\u7136\u540e\u8bbe<span class=\"MathJax_Preview\">\\(f_{i,j}\\)<\/span><script type=\"math\/tex\">f_{i,j}<\/script>\u4e3a\u5b50\u6811i\u5728\u70b9i\u67d3\u989c\u8272j\u65f6\u7684\u6700\u5c0f\u67d3\u8272\u6570\uff0c\u663e\u7136\u6709<span class=\"MathJax_Preview\">\\(f_{i,j}=\\sum_{v}min(f_{v,j}-1,f_{v,j\\bigwedge 1})\\)<\/span><script type=\"math\/tex\">f_{i,j}=\\sum_{v}min(f_{v,j}-1,f_{v,j\\bigwedge 1})<\/script><\/td>\n<\/tr>\n<tr>\n<td align=\"left\">1305: [CQOI2009]dance\u8df3\u821e<\/td>\n<td align=\"left\">\u4e8c\u5206+\u7f51\u7edc\u6d41\uff0c\u5c06\u7537\u751f\u6210\u4e00\u6761\u5bb9\u91cf\u4e3ak\u7684\u8fb9<span class=\"MathJax_Preview\">\\(x\\to y\\)<\/span><script type=\"math\/tex\">x\\to y<\/script>\uff0c\u5982\u679c\u548c\u559c\u6b22\u7684\u4eba\uff0c\u5c31\u4ecex\u8d70\uff0c\u5426\u5219\u4ecey\u8d70\uff0c\u5973\u751f\u540c\u7406\u3002<\/td>\n<\/tr>\n<tr>\n<td align=\"left\">3171: [Tjoi2013]\u5faa\u73af\u683c<\/td>\n<td align=\"left\">\u5faa\u73af\u683c\u662f\u5b8c\u7f8e\u7684\u5f53\u4e14\u4ec5\u5f53\u6bcf\u4e2a\u70b9\u5165\u5ea6\u51fa\u5ea6\u5747\u4e3a1\uff0c\u6240\u4ee5\u53ef\u4ee5\u5efa\u7acb2\u5206\u56fe\u8dd1\u6700\u5c0f\u8d39\u7528\u6d41\u3002<\/td>\n<\/tr>\n<tr>\n<td align=\"left\">3442: \u5b66\u4e60\u5c0f\u7ec4<\/td>\n<td align=\"left\">\u672c\u6765\u4ee5\u4e3a\u662f\u5e26\u4e0a\u4e0b\u754c\u7684\u6700\u5c0f\u8d39\u7528\u53ef\u884c\u6d41\uff0c\u7ed3\u679c\u770b\u5230\u4e86[Tunix][http:\/\/www.cnblogs.com\/Tunix\/p\/4354843.html]\u7684\u89e3\u6cd5\uff0c\u53ef\u4ee5\u8dd1\u6700\u5c0f\u8d39\u7528\u6700\u5927\u6d41\u4e86<\/td>\n<\/tr>\n<tr>\n<td align=\"left\">3440: \u4f20\u7403\u6e38\u620f<\/td>\n<td align=\"left\">\u627e\u51fa\u4e00\u5806\u73af\u52a0\u5916\u5411\u6811\uff0c\u7136\u540e\u5404\u79cd\u7279\u5224<\/td>\n<\/tr>\n<tr>\n<td align=\"left\">3444: \u6700\u540e\u7684\u665a\u9910<\/td>\n<td align=\"left\">\u663e\u7136\u5b58\u5728\u5927\u4e8e3\u4e2a\u70b9\u7684\u73af\uff0c\u6216\u8005\u5b58\u5728\u70b9\u5ea6\u6570&gt;2\u662f\u65e0\u89e3\u7684\u3002\u4e8e\u662f\u53d1\u73b0\u6709\u89e3\u7684\u5145\u8981\u6761\u4ef6\u662f\u6697\u604b\u5173\u7cfb\u5f62\u6210\u94fe\u3002<span class=\"MathJax_Preview\">\\(ans=(a+b)!2^b\\)<\/span><script type=\"math\/tex\">ans=(a+b)!2^b<\/script> \u5176\u4e2da+b\u662f\u8fde\u901a\u5757\u4e2a\u6570\uff0cb\u662f\u70b9\u6570<span class=\"MathJax_Preview\">\\(\\ge 2\\)<\/span><script type=\"math\/tex\">\\ge 2<\/script>\u7684\u94fe\u4e2a\u6570\uff0c\u6ce8\u610f\u91cd\u8fb9<\/td>\n<\/tr>\n<tr>\n<td align=\"left\">4236: JOIOJI<\/td>\n<td align=\"left\">\u8bbeJOI\u5206\u522b\u51fa\u73b0x,y,z\u6b21\uff0c\u8bb0\u5f55\u524d\u7f00\u7684(y-x,z-x)\u7684\u51fa\u73b0\u6700\u65e9\u4f4d\u7f6e\uff0c\u626b\u4e00\u904d\u3002<\/td>\n<\/tr>\n<tr>\n<td align=\"left\">4706: B\u541b\u7684\u591a\u8fb9\u5f62<\/td>\n<td align=\"left\">\u6253\u8868\uff0cOEIS - A001003 -\u00a0 <em>super-Catalan numbers or little Schroeder numbers<\/em><\/td>\n<\/tr>\n<tr>\n<td align=\"left\">2741: \u3010FOTILE\u6a21\u62df\u8d5b\u3011L<\/td>\n<td align=\"left\">\u5206\u5757\u679a\u4e3e\u6bb5\u9996+\u53ef\u6301\u4e45\u5316\u5b57\u5178\u6811<\/td>\n<\/tr>\n<tr>\n<td align=\"left\">4260: Codechef REBXOR<\/td>\n<td align=\"left\">\u53ef\u6301\u4e45\u5316\u7ebf\u6bb5\u6811\u7ef4\u62a4\u524d\u540e\u7f00\u6700\u4f18\u503c<img decoding=\"async\" src=\"http:\/\/www.lydsy.com\/JudgeOnline\/upload\/201509\/fa(1).jpg\" alt=\"fa(1).jpg\"><\/td>\n<\/tr>\n<tr>\n<td align=\"left\">1019: [SHOI2008]\u6c49\u8bfa\u5854<\/td>\n<td align=\"left\">\u8003\u86512\u79cd\u79fb\u52a8\u65b9\u6cd5http:\/\/blog.sina.com.cn\/s\/blog_76f6777d0101b8l1.html<\/td>\n<\/tr>\n<tr>\n<td align=\"left\">1021: [SHOI2008]Debt \u5faa\u73af\u7684\u503a\u52a1<\/td>\n<td align=\"left\"><span class=\"MathJax_Preview\">\\(f_{i,j,k}\\)<\/span><script type=\"math\/tex\">f_{i,j,k}<\/script>\u8868\u793a\u524di\u79cd\u9762\u503c\u5206\u5b8c\u540e\uff0cA\u548cB\u5206\u522b\u6709j\u548ck\u5143\u7684\u6700\u5c0f\u6b65\u6570<\/td>\n<\/tr>\n<tr>\n<td align=\"left\">3439: Kpm\u7684MC\u5bc6\u7801<\/td>\n<td align=\"left\">\u53cd\u8f6c\u5b57\u7b26\u4e32\u5e76\u628a\u5b83\u4eec\u4e22\u5165\u5b57\u5178\u6811\uff0c\u7136\u540e\u7528dfs\u5e8f+\u4e3b\u5e2d\u6811\u6c42\u7b2ck\u5927<\/td>\n<\/tr>\n<tr>\n<td align=\"left\">1044: [HAOI2008]\u6728\u68cd\u5206\u5272<\/td>\n<td align=\"left\">\u7b2c\u4e00\u95ee\u4e8c\u5206\u7b54\u6848\uff0c\u7b2c\u4e8c\u95eedp\uff0c\u6eda\u52a8\u6570\u7ec4+\u53cc\u6307\u9488\u4f18\u5316<\/td>\n<\/tr>\n<tr>\n<td align=\"left\">1862: [Zjoi2006]GameZ\u6e38\u620f\u6392\u540d\u7cfb\u7edf<\/td>\n<td align=\"left\">\u540c1056<\/td>\n<\/tr>\n<tr>\n<td align=\"left\">2780: [Spoj]8093 Sevenk Love Oimaster<\/td>\n<td align=\"left\">\u5e7f\u4e49SAM\u6c42parent\u6811,dfs\u5e8f\u6c42\u533a\u95f4\u5185\u6709\u591a\u5c11\u4e0d\u540c\u6743\u503c<\/td>\n<\/tr>\n<tr>\n<td align=\"left\">1786: [Ahoi2008]Pair \u914d\u5bf9<\/td>\n<td align=\"left\">\u901a\u8fc7\u4ea4\u6362\u6cd5\u53ef\u4ee5\u53d1\u73b0\u586b\u5165\u7684\u6570\u5355\u8c03\u4e0d\u964d\uff0c\u4e14k\u5f88\u5c0f\uff0c\u53ef\u4ee5\u7528O(nk)\u7684dp\u89e3\u51b3<\/td>\n<\/tr>\n<tr>\n<td align=\"left\">1831: [AHOI2008]\u9006\u5e8f\u5bf9<\/td>\n<td align=\"left\">\u540c\u4e0a<\/td>\n<\/tr>\n<tr>\n<td align=\"left\">4524: [Cqoi2016]\u4f2a\u5149\u6ed1\u6570<\/td>\n<td align=\"left\">http:\/\/blog.csdn.net\/lych_cys\/article\/details\/51158560,<\/td>\n<\/tr>\n<tr>\n<td align=\"left\">2734: [HNOI2012]\u96c6\u5408\u9009\u6570<\/td>\n<td align=\"left\">\u795e\u5947\u7684dp\uff0chttp:\/\/blog.csdn.net\/aarongzk\/article\/details\/50753250<\/td>\n<\/tr>\n<tr>\n<td align=\"left\">3438: \u5c0fM\u7684\u4f5c\u7269<\/td>\n<td align=\"left\">\u6700\u5927\u6743\u95ed\u5408\u5b50\u56fe\u7248\u9898<\/td>\n<\/tr>\n<tr>\n<td align=\"left\">4245: [ONTAK2015]OR-XOR<\/td>\n<td align=\"left\">\u62c6\u4f4d\uff0c\u8d2a\u5fc3\uff0c\u6bcf\u6b21\u7559\u4e0b\u201c\u53ef\u9009\u5206\u5272\u70b9\u201d\u7684\u4f4d\u7f6e\u7684\u96c6\u5408<\/td>\n<\/tr>\n<tr>\n<td align=\"left\">1060: [ZJOI2007]\u65f6\u6001\u540c\u6b65<\/td>\n<td align=\"left\">\u4ee4<span class=\"MathJax_Preview\">\\(f_i\\)<\/span><script type=\"math\/tex\">f_i<\/script>\u4e3a<span class=\"MathJax_Preview\">\\(i\\)<\/span><script type=\"math\/tex\">i<\/script>\u4e3a\u6839\u7684\u5b50\u6811\u7684\u6700\u8fdc\u53f6\u8282\u70b9\u8ddd\uff0c\u7136\u540e\u8d2a\u5fc3<\/td>\n<\/tr>\n<tr>\n<td align=\"left\">1053: [HAOI2007]\u53cd\u7d20\u6570ant<\/td>\n<td align=\"left\">\u5047\u8bbex\u662f\u53cd\u8d28\u6570\uff0c\u8bbex\u7684\u7ea6\u6570\u4e2a\u6570<span class=\"MathJax_Preview\">\\(\\tau(x)=(k1+1)(k2+1)\\dots(kn+1)\\)<\/span><script type=\"math\/tex\">\\tau(x)=(k1+1)(k2+1)\\dots(kn+1)<\/script>,\u548c\u53d6\u54ea\u4e2a\u8d28\u6570\u65e0\u5173\uff0c\u6545\u53ef\u8ba4\u4e3a\u53d6\u7684\u662f\u524dk\u4e2a\u8d28\u6570\uff0c\u4e14k\u5355\u8c03\u4e0d\u589e\u3002\u3002\u3002\u66b4\u641c<\/td>\n<\/tr>\n<tr>\n<td align=\"left\">1087: [SCOI2005]\u4e92\u4e0d\u4fb5\u72afKing<\/td>\n<td align=\"left\">\u72b6\u538bdp<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n","protected":false},"excerpt":{"rendered":"<p>[upd 2016.9.29] \u4eca\u5929\u597d\u65e0\u804a\u4e0d\u5982\u6765\u5237\u6392\u4f4d[upd 2016.10.22] \u5e72\u8106\u5728vjudge\u4e0a\u5c6f 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