{"id":351,"date":"2010-08-22T12:52:00","date_gmt":"2010-08-22T04:52:00","guid":{"rendered":"http:\/\/localhost\/?p=351"},"modified":"2010-08-22T12:52:00","modified_gmt":"2010-08-22T04:52:00","slug":"baltic_oi_2010","status":"publish","type":"post","link":"https:\/\/www.shuizilong.com\/wjmzbmr\/?p=351","title":{"rendered":"Baltic OI 2010"},"content":{"rendered":"<p> \u989d\u3002\u3002\u524d\u51e0\u5929\u82b1\u4e86\u70b9\u65f6\u95f4A\u5149\u4e86Baltic OI 2010\u7684\u9898\u76ee\u3002\u3002\u611f\u89c9\u8fd8\u662f\u633a\u6709\u610f\u601d\u7684\u3002\u3002<br \/>\u5c31\u5199\u4e2a\u5c0f\u7ed3\u5427\u56e7\uff08\u5176\u5b9e\u662f\u5145\u6570\u7684\uff0c\u5b98\u7f51\u4e0a\u6709\u9898\u89e3\u7684\u56e7\u3002\u3002\uff09\u3002\u3002\u3002<br \/>[Baltic2010]Bears<br \/>\u8fd9\u4e2a\u9898\u76ee\u7684\u4e8c\u5206\u8fd8\u662f\u4e0d\u96be\u60f3\u7684\u56e7\u3002\u3002\u5047\u5982\u4e8c\u5206\u4e00\u4e0b\u53ef\u4ee5\u963b\u62e6\u5728\u5916\u7684\u957f\u5ea6\u7684\u8bdd\uff0c<br \/>\u4e00\u5f00\u59cb\u7981\u6b62\u533a\u57df\u662f\u4e2a\u6b63\u65b9\u5f62\uff0c\u7136\u540e\u5982\u679c\u6709mainstreet\u4f38\u5165\u91cc\u9762\u7684\u8bdd\uff0c\u8fd9\u4e9b<br \/>mainstreet\u4e0a\u9762\u7684\u70b9\u81ea\u7136\u4e5f\u5212\u5165\u7981\u6b62\u533a\u57df\uff0c\u7136\u540e\u6ce8\u610f\u5230\u5982\u679c\u4e00\u4e2a\u70b9\u6709\u4e24\u4e2a<br \/>\u65b9\u5411\u4e0a\u90fd\u662f\u7981\u6b62\u533a\u57df\u7684\u70b9\u7684\u8bdd\uff0c\u90a3\u4e48\u8fd9\u4e2a\u70b9\u5c31\u53ef\u4ee5\u65e0\u538b\u529b\u8fdb\u5165\u7981\u6b62\u533a\u57df\uff0c<br \/>\u6545\u5176\u4e5f\u662f\u7981\u6b62\u533a\u57df\u3002\u3002\u6240\u4ee5\u7981\u6b62\u533a\u57df\u4e00\u5b9a\u662f\u4e2a\u77e9\u5f62\u3002\u3002<br \/>\u7136\u540e\u770b\u5c31\u4e8c\u5206+\u5224\u65ad\uff08A\uff0cB\uff09\u662f\u5426\u5728\u91cc\u9762\u5c31\u53ef\u4ee5\u4e86\u3002\u3002<br \/>[Baltic2010]lego<br \/>\u8fd9\u4e2a\u9898\u76ee\u9996\u5148\u53ef\u4ee5\u53d1\u73b0\u72b6\u6001\u6570\u80af\u5b9a\u4e0d\u4f1a\u5927\uff0c\u7136\u540e\u5bf9\u4e8e\u67d0\u4e00\u4e2a\u72b6\u6001\u9996\u5148\u8981\u7b26\u5408<br \/>\u8f93\u5165\u7684\u6761\u4ef6\uff0c\u5982\u679c\u6709\u4e9b\u6ca1\u88ab\u770b\u5230\u7684\u8bdd\uff0c\u53ef\u4ee5\u968f\u4fbf\u67d3\u3002\u3002<br \/>\u90a3\u4e48\u4f3c\u4e4e\u597d\u50cf\u5c31\u53ef\u4ee5\u72b6\u6001\u538b\u7f29Dp\u4e86\u3002\u3002\u7531\u4e8e\u6bcf\u6b21\u90fd\u8981\u80fd\u591f\u653e\u5728\u4e0a\u4e00\u4e2a\u7684\u4e0a\u9762\uff0c<br \/>\u6240\u4ee5\u8981\u8bb0\u5f55\u5f53\u524d\u7684\u5c42\u6570\u548c\u6700\u4e0a\u9762\u4e00\u4e2a\u662f\u4ec0\u4e48\u3002\u3002<br \/>\u5e38\u6570\u6709\u70b9\u5c0f\u91cd\u8981\uff0cTLE\u4e86\u4e00\u6b21\u56e7\u3002\u3002<br \/>[Baltic2010]Pcb<br \/>\u9996\u5148\u6309X1\u6392\u5e8f\u3002\u3002\u90a3\u4e48\u627e\u4e00\u6761\u6700\u957f\u7684\u9012\u51cf\u7684\u94feL\uff0c\u663e\u7136\u8fd9\u4e2a<br \/>\u94fe\u4e0a\u4e24\u4e24\u4e0d\u80fd\u5206\u5728\u4e00\u5c42\uff0c\u6240\u4ee5\u6700\u5c11\u8981|L|\u7684\u5c42\u6570\uff0c\u53ef\u8bc1\u8fd9\u662f\u53ef\u884c\u7684\u56e7\u3002\u3002<br \/>[Baltic2010]Bins<br \/>\u989d\u3002\u3002\u8fd9\u4e2a\u9898\u76ee\u6709\u70b9\u7325\u7410\u3002\u3002\u4ed6\u7684\u610f\u601d\u5c31\u662f\u6bcf\u4e2a\u6570\u53ea\u80fd\u8ddf\u6bd4\u5b83\u5927\u7684\u6570\u914d\u5bf9\uff0c<br \/>\u95ee\u524dX\u4e2a\u8ddf\u7b2cX+1..2X\u4e2a\u4e4b\u95f4\u80fd\u591f\u5b8c\u5168\u5339\u914d\u7684\u6700\u5927\u7684X\u662f\u591a\u5c11\u3002\u3002<br \/>\u8bbeA[t]\u4e3a\u524d\u9762X\u4e2a\u4e2d\u5927\u4e8et\u7684\u6570\u6709\u51e0\u4e2a\uff0c<br \/>B[t]\u4e3aX+1&#8230;2X\u4e2d\u5927\u4e8et\u7684\u6570\u6709\u51e0\u4e2a\u3002\u3002<br \/>\u663e\u7136\u5927\u4e8et\u7684\u6570\u53ea\u80fd\u7528\u5927\u4e8et+1\u7684\u6570\u6765\u653e\uff0c<br \/>\u6240\u4ee5A[t]&lt;=B[t+1]\u3002\u3002\u7528\u5f52\u7eb3\u6cd5\u53ef\u4ee5\u8bc1\u660e\u8fd9\u4e2a\u3002\u3002<br \/>\u7136\u540e\u4e3a\u4e86\u5224\u65ad\u662f\u5426\u6210\u7acb\uff0c<br \/>\u5047\u8bbeC[t]\u662f\u524dX\u4e2dt\u7684\u4e2a\u6570\uff0cD[t]\u662fX+1..2X\u4e2dt+1\u7684\u4e2a\u6570\u3002\u3002<br \/>\u90a3\u4e48\u8bbeE[t]=C[t]-D[t]\u3002\u3002\u53ef\u4ee5\u53d1\u73b0A[t]-B[t+1]\u7684\u6700\u5927\u503c\u5c31\u662fE[t]\u7684\u6700\u5927\u540e\u7f00\u3002\u3002<br \/>\u6240\u4ee5\u4f7f\u7528\u7ebf\u6bb5\u6811\u7ef4\u62a4\u8fd9\u4e2a\u5c31\u53ef\u4ee5\u4e86\u3002\u3002\u6bcf\u6b21\u4fee\u6539\u90fd\u662fO(LogN)\u7684\u3002\u3002<br \/>[Baltic2010]candies<br \/>\u989d\u3002\u3002\u8fd9\u4e2a\u9898\u76ee\u975e\u5e38\u7684\u5f3a\u5927\u3002\u3002<br \/>\u9996\u5148\u53ef\u4ee5\u628a\u9898\u76ee\u53d8\u6362\u4e00\u4e0b\uff0c\u53d8\u6210\u5220\u6389\u4e00\u4e2a\uff0c\u518d\u6dfb\u52a0\u4e00\u4e2a\u3002\u3002<br \/>\u6ce8\u610f\u5982\u679c\u6dfb\u52a0\u7684\u8bdd\uff0c\u6211\u53ef\u4ee5\u5f04\u4e00\u4e2a\u5f88\u5927\u7684\u80fd\u5f04\u51fa\u7684\u79cd\u6570*2.\u3002<br 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