{"id":983,"date":"2019-11-17T13:31:34","date_gmt":"2019-11-17T05:31:34","guid":{"rendered":"http:\/\/SmokeyDays.top\/wordpress\/?p=983"},"modified":"2019-11-17T13:34:28","modified_gmt":"2019-11-17T05:34:28","slug":"csp-2019","status":"publish","type":"post","link":"http:\/\/SmokeyDays.top\/wordpress\/2019\/11\/17\/csp-2019\/","title":{"rendered":"CSP 2019"},"content":{"rendered":"\n

\u9000\u5f79\u4e86\u3002<\/p>\n\n\n\n

Day1 \u5927\u4f17\u5206\u5e94\u8be5\u662f 210 \u3002<\/p>\n\n\n\n

\u8bb0\u4f4f\uff0c\u5199\u4e1c\u897f\u7684\u65f6\u5019\u8981\u5199 1ull<<N \uff0c\u800c\u975e 1<<N \u3002\n\u6211 T1 \u5728\u8fd9\u91cc\u88ab\u5361\u4e86\u4e00\u4e2a\u591a\u5c0f\u65f6\uff0c\u76f4\u63a5\u5bfc\u81f4 T3 \u6ca1\u6709\u65f6\u95f4\u5199\u66b4\u529b\u3002\nT2 \u53cd\u6b63\u5927\u5bb6\u90fd\u4f1a\u505a\u5c31\u4e0d\u8bf4\u4e86\uff0c\u5927\u6982\u5c31\u662f\u6811\u5f62 DP \uff0c\u4f18\u5316\u4e00\u4e0b\u72b6\u6001\u8f6c\u79fb\u3002\u6709\u4e00\u4e2a trick \u5c31\u662f\u62ec\u53f7\u53ef\u4ee5\u8003\u8651\u524d\u7f00\u548c\u4ec0\u4e48\u7684\u3002\nT3 \u4e0d\u4f1a\u505a\u3002\u4e0d\u8fc7 35pts \u7684\u66b4\u529b\u5176\u5b9e\u8fd8\u662f\u633a\u597d\u60f3\u7684\u3002\u5b9e\u5728\u662f\u65f6\u95f4\u4e0d\u591f\u3002\n\u4f30\u5206 200 pts\u3002<\/p>\n\n\n\n

Day2 \u5927\u4f17\u5206\u5e94\u8be5\u662f 263 \u3002<\/p>\n\n\n\n

T1 \u6574\u4e2a\u4eba\u90fd\u50bb\u4e86\u3002\u4e00\u9053\u50bb\u903c\u5bb9\u65a5\u5c45\u7136\u6ca1\u60f3\u51fa\u6765\u3002\u5176\u5b9e\u633a\u663e\u7136\u7684\uff0c\u63d0\u793a\u4e5f\u7ed9\u5f97\u5f88\u591a\uff0c\u4f46\u662f\u5927\u6982\u662f\u9898\u9762\u592a\u957f\uff0c\u7ed9\u4e86\u4e00\u4e9b\u5e72\u6270\u5427\u3002\u5199\u4e86 m=3 \u7684\u66b4\u529b\u8d70\u4eba\u3002\nT2 \u4eba\u6ca1\u4e86\u3002\u5927\u6982\u82b1\u4e86\u4e8c\u5341\u5206\u949f\u5de6\u53f3\u7684\u65f6\u95f4\u731c\u4e86\u4e00\u4e2a\u7ed3\u8bba\uff0c\u611f\u89c9\u633a\u6b63\u786e\u7684\uff0c\u5927\u6982\u5c31\u662f\u5982\u679c\u4f60\u80fd\u5206\u5272\u6700\u591a\u4efd\u5e76\u4e14\u6bcf\u4e00\u4efd\u7684\u5927\u5c0f\u90fd\u5c3d\u53ef\u80fd\u5c0f\uff0c\u90a3\u4e48\u7b54\u6848\u662f\u6700\u4f18\u7684\u3002\u5199\u4e86\u4efd\u4ee3\u7801\u8c03\u4e86\u4e00\u4e0b\u3002\u53cd\u6b63\u5c31\u8bb0\u4e00\u4e2a g \u51fd\u6570\u8868\u793a\u4ee5\u5f53\u524d\u70b9\u7ed3\u5c3e\u7684\u6700\u5c0f\u503c\u3002\u7136\u540e\u8bb0\u4e00\u4e0b\u524d\u7f00\u548c\u79fb\u9879\u7528\u5355\u8c03\u6808\u4f18\u5316\u4e00\u4e0b\u8f6c\u79fb\u5c31\u597d\u4e86\u3002\u7136\u540e\u5199\u4e86\u4e2a\u66b4\u529b\u62cd\u4e86\u4e00\u4e0b\u3002\u8fd8\u5199\u4e86\u4e2a\u9ad8\u7cbe\u3002\u7ed3\u679c\u6700\u540e\u66b4\u529b\u62cd\u51fa\u95ee\u9898\u4e86\u3002\u4eba\u90fd\u50bb\u4e86\uff0c\u53ea\u597d\u628a\u66b4\u529b\u4ea4\u4e0a\u53bb\u8d70\u4eba\u3002\u7ed3\u679c\u51fa\u6765\u4e00\u5bf9\u7b54\u6848\uff0c\u53d1\u73b0\u6211\u6b63\u89e3\u5199\u5f97\u662f\u5bf9\u7684\uff0c\u66b4\u529b\u5199\u6302\u4e86\u3002\u4eba\u6ca1\u4e86\u3002\nT3 \u6ca1\u6709\u4ed4\u7ec6\u60f3\uff0c\u5199\u4e86 55 \u5206\u7684\u66b4\u529b\u3002\u5176\u5b9e\u4e8c\u53c9\u6811\u7684\u7ed3\u8bba\u633a\u597d\u60f3\u7684\uff0c\u4f46\u662f\u6ca1\u8ba4\u771f\u6253\uff0c\u5176\u5b9e\u6253\u4e86\u8fd8\u662f\u6536\u76ca\u66f4\u9ad8\u7684\u3002 \n\u60f3\u6765\u60f3\u53bb\u8fd8\u662f T2 \u72af\u7684\u9519\u592a\u53ef\u60dc\u4e86\uff0c\u4e00\u4e0b\u5b50\u5c11\u6389\u4e86\u4e00\u5927\u5806\u5206\u3002\n\u4f30\u5206 119 pts\u3002<\/p>\n\n\n\n

\u603b\u4f30\u5206 319 pts\u3002<\/p>\n\n\n\n

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\u9ad8\u4e00\u5f00\u59cb\u641e OI \uff0c\u5f53\u65f6\u610f\u6c14\u98ce\u53d1\u3002\u7136\u540e\u4ece NOIP \u5230\u7701\u9009\uff0c\u518d\u5230 CTSC-APIO \uff0c\u63a5\u4e8c\u8fde\u4e09\u5730\uff0c\u603b\u662f\u6ca1\u80fd\u53d1\u6325\u51fa\u5168\u529b\u3001\u603b\u662f\u51fa\u73b0\u8fd9\u6837\u90a3\u6837\u7684\u95ee\u9898\u3001\u603b\u662f\u628a\u80fd\u62ff\u7684\u5206\u7ed9\u4e22\u4e86\u3002<\/p>\n\n\n\n

\u5176\u5b9e\u8003\u8bd5\u7684\u65f6\u5019\u7684\u9898\u5e76\u4e0d\u662f\u9898\u9898\u90fd\u90a3\u4e48\u96be\u3002\u4f46\u662f\u4e00\u65b9\u9762\u81ea\u5df1\u7ecf\u9a8c\u4e0d\u8db3\uff0c\u5728\u8003\u573a\u4e0a\u603b\u662f\u4f1a\u51fa\u73b0\u8fd9\u6837\u90a3\u6837\u7684\u9519\u8bef\uff0c\u6709\u7684\u65f6\u5019\u662f\u5bf9\u5206\u6570\u7684\u4f30\u8ba1\u6ca1\u6709\u90a3\u4e48\u51c6\u786e\uff0c\u6709\u7684\u65f6\u5019\u662f\u4e00\u4e9b\u5c0f\u70b9\u4e0d\u77e5\u9053\u5bfc\u81f4\u8c03\u9898\u8c03\u4e86\u5f88\u4e45\uff0c\u6709\u7684\u65f6\u5019\u662f\u6ca1\u770b\u51fa\u6765\u4e00\u4e9b\u663e\u7136\u7684\u7ed3\u8bba\u3002\u5927\u6982\u662f\u5199\u9898\u7684\u65f6\u5019\u603b\u662f\u6ca1\u6709\u7406\u6e05\u601d\u8def\u5427\u3002<\/p>\n\n\n\n

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\u8fd8\u6709\u5c31\u662f\u8003\u8bd5\u7b56\u7565\u3002\u5b9e\u9645\u4e0a\uff0c\u8003\u8bd5\u7684\u65f6\u5019\uff0c\u5e94\u5f53\u8981\u770b\u597d\u6bcf\u4e00\u4e2a\u90e8\u5206\u5206\u3001\u9884\u4f30\u4e00\u4e0b\u96be\u5ea6\u3002\u8fd9\u6837\u53ef\u80fd\u4f1a\u53d1\u6325\u5f97\u66f4\u597d\u4e00\u4e9b\u3002\u8bf8\u5982 D1T1 \u4e3a\u4e86 5pts \u82b1\u4e86\u4e00\u4e2a\u591a\u5c0f\u65f6\u3001 D2T2 \u4e3a\u4e86 12pts \u82b1\u4e86\u5feb\u4e00\u4e2a\u5c0f\u65f6\uff0c\u90fd\u662f\u76f8\u4f3c\u7684\u539f\u56e0\u3002<\/p>\n\n\n\n

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\u53c8\u6709\u4ec0\u4e48\u53ef\u8bf4\u7684\u5462\uff1f\n\u90a3\u5c31\u8fd9\u6837\u4e86\u5427\u3002<\/p>\n\n\n\n

\u300c\u8fc7\u53bb\u7684\u4e8b\u60c5\u5c31\u8fc7\u53bb\u4e86\u5427\u3002\u300d\u8fd9\u6837\u7684\u8bdd\u5b9e\u5728\u662f\u592a\u597d\u8bf4\u51fa\u53e3\u4e86\u3002\u7136\u800c\u6b63\u662f\u8fd9\u79cd\u8bdd\u592a\u597d\u8bf4\u51fa\u53e3\uff0c\u6240\u4ee5\u4e0d\u514d\u60f9\u5f97\u7591\u5fc3\u8fd9\u4e8b\u60c5\u662f\u5426\u66fe\u7ecf\u6302\u5728\u5fc3\u4e0a\u3002\n\u6216\u8bb8\u5728\u591a\u5e74\u4e4b\u540e\uff0c\u6211\u4ecd\u7136\u4f1a\u68a6\u56de\u4eca\u65e5\uff0c\u9057\u61be\u7740\u5f53\u65f6\u7684 Day2 \u600e\u4e48\u8003\u5f97\u90a3\u4e48\u5dee\u3002\u4f46\u662f CSP2019 \u53ea\u4e0d\u8fc7\u662f\u4e00\u4e2a\u8fdf\u6765\u7684\u53e5\u53f7\uff0c\u5c31\u597d\u6bd4\u53e4\u5178\u97f3\u4e50\u7ed3\u675f\u4e4b\u540e\u90a3\u60a0\u626c\u7684\u5c3e\u58f0\u6de1\u51fa\u4e8e\u7a7a\u6c14\u4e4b\u4e2d\u7684\u90a3\u4e2a\u4f4d\u7f6e\u3002\u6211\u7684 OI \u751f\u6daf\u5176\u5b9e\u65e9\u5728\u90a3\u4e4b\u524d\u5c31\u7ed3\u675f\u4e86\u3002<\/p>\n\n\n\n

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\u9000\u5f79\u4e86\u3002 Day1 \u5927\u4f17\u5206\u5e94\u8be5\u662f 210 \u3002 \u8bb0\u4f4f\uff0c\u5199\u4e1c\u897f\u7684\u65f6\u5019\u8981\u5199 1ull<<N \uff0c\u800c\u975e 1& … <\/p>\n

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