{"id":10,"date":"2016-04-27T20:09:37","date_gmt":"2016-04-27T12:09:37","guid":{"rendered":"http:\/\/tyswly.com\/?p=10"},"modified":"2016-04-27T20:09:37","modified_gmt":"2016-04-27T12:09:37","slug":"noip2014%e6%97%a0%e7%ba%bf%e7%bd%91%e7%bb%9c%e9%80%89%e5%9d%80","status":"publish","type":"post","link":"https:\/\/tys.fun\/?p=10","title":{"rendered":"[NOIP2014]\u65e0\u7ebf\u7f51\u7edc\u9009\u5740"},"content":{"rendered":"

\u8df3\u8f6c\u81f3SYZOJ<\/a>
\n\u968f\u7740\u667a\u80fd\u624b\u673a\u7684\u65e5\u76ca\u666e\u53ca\uff0c\u4eba\u4eec\u5bf9\u65e0\u7ebf\u7f51\u7684\u9700\u6c42\u65e5\u76ca\u589e\u5927\u3002\u67d0\u57ce\u5e02\u51b3\u5b9a\u5bf9\u57ce\u5e02\u5185\u7684\u516c\u5171\u573a\u6240\u8986\u76d6\u65e0\u7ebf\u7f51\u3002
\n\u5047\u8bbe\u8be5\u57ce\u5e02\u7684\u5e03\u5c40\u4e3a\u7531\u4e25\u683c\u5e73\u884c\u7684 129129 \u6761\u4e1c\u897f\u5411\u8857\u9053\u548c 129129 \u6761\u5357\u5317\u5411\u8857\u9053\u6240\u5f62\u6210\u7684\u7f51\u683c\u72b6\uff0c\u5e76\u4e14\u76f8\u90bb\u7684\u5e73\u884c\u8857\u9053\u4e4b\u95f4\u7684\u8ddd\u79bb\u90fd\u662f\u6052\u5b9a\u503c 11\u3002\u4e1c\u897f\u5411\u8857\u9053\u4ece\u5317\u5230\u5357\u4f9d\u6b21\u7f16\u53f7\u4e3a 0,1,2\u20261280,1,2\u2026128\uff0c\u5357\u5317\u5411\u8857\u9053\u4ece\u897f\u5230\u4e1c\u4f9d\u6b21\u7f16\u53f7\u4e3a 0,1,2\u20261280,1,2\u2026128\u3002
\n\u4e1c\u897f\u5411\u8857\u9053\u548c\u5357\u5317\u5411\u8857\u9053\u76f8\u4ea4\u5f62\u6210\u8def\u53e3\uff0c\u89c4\u5b9a\u7f16\u53f7\u4e3a xx \u7684\u5357\u5317\u5411\u8857\u9053\u548c\u7f16\u53f7\u4e3a yy \u7684\u4e1c\u897f\u5411\u8857\u9053\u5f62\u6210\u7684\u8def\u53e3\u7684\u5750\u6807\u662f (x,y)(x,y)\u3002\u5728\u67d0\u4e9b\u8def\u53e3\u5b58\u5728\u4e00\u5b9a\u6570\u91cf\u7684\u516c\u5171\u573a\u6240\u3002
\n\u7531\u4e8e\u653f\u5e9c\u8d22\u653f\u95ee\u9898\uff0c\u53ea\u80fd\u5b89\u88c5\u4e00\u4e2a\u5927\u578b\u65e0\u7ebf\u7f51\u7edc\u53d1\u5c04\u5668\u3002\u8be5\u65e0\u7ebf\u7f51\u7edc\u53d1\u5c04\u5668\u7684\u4f20\u64ad\u8303\u56f4\u662f\u4e00\u4e2a\u4ee5\u8be5\u70b9\u4e3a\u4e2d\u5fc3\uff0c\u8fb9\u957f\u4e3a 2d2d \u7684\u6b63\u65b9\u5f62\u3002\u4f20\u64ad\u8303\u56f4\u5305\u62ec\u6b63\u65b9\u5f62\u8fb9\u754c\u3002
\n\u73b0\u5728\u653f\u5e9c\u6709\u5173\u90e8\u95e8\u51c6\u5907\u5b89\u88c5\u4e00\u4e2a\u4f20\u64ad\u53c2\u6570\u4e3a dd \u7684\u65e0\u7ebf\u7f51\u7edc\u53d1\u5c04\u5668\uff0c\u5e0c\u671b\u4f60\u5e2e\u52a9\u4ed6\u4eec\u5728\u57ce\u5e02\u5185\u627e\u51fa\u5408\u9002\u7684\u8def\u53e3\u4f5c\u4e3a\u5b89\u88c5\u5730\u70b9\uff0c\u4f7f\u5f97\u8986\u76d6\u7684\u516c\u5171\u573a\u6240\u6700\u591a\u3002<\/p>\n

\u8f93\u5165\u683c\u5f0f<\/h4>\n

\u7b2c\u4e00\u884c\u5305\u542b\u4e00\u4e2a\u6574\u6570 dd\uff0c\u8868\u793a\u65e0\u7ebf\u7f51\u7edc\u53d1\u5c04\u5668\u7684\u4f20\u64ad\u8ddd\u79bb\u3002
\n\u7b2c\u4e8c\u884c\u5305\u542b\u4e00\u4e2a\u6574\u6570 nn\uff0c\u8868\u793a\u6709\u516c\u5171\u573a\u6240\u7684\u8def\u53e3\u6570\u76ee\u3002
\n\u63a5\u4e0b\u6765 nn \u884c\uff0c\u6bcf\u884c\u7ed9\u51fa\u4e09\u4e2a\u6574\u6570 x,y,kx,y,k\uff0c\u4e2d\u95f4\u7528\u4e00\u4e2a\u7a7a\u683c\u9694\u5f00\uff0c\u5206\u522b\u4ee3\u8868\u8def\u53e3\u7684\u5750\u6807 (x,y)(x,y) \u4ee5\u53ca\u8be5\u8def\u53e3\u516c\u5171\u573a\u6240\u7684\u6570\u91cf\u3002\u540c\u4e00\u5750\u6807\u53ea\u4f1a\u7ed9\u51fa\u4e00\u6b21\u3002<\/p>\n

\u8f93\u51fa\u683c\u5f0f<\/h4>\n

\u8f93\u51fa\u4e00\u884c\uff0c\u5305\u542b\u4e24\u4e2a\u6574\u6570\uff0c\u7528\u4e00\u4e2a\u7a7a\u683c\u9694\u5f00\uff0c\u5206\u522b\u8868\u793a\u80fd\u8986\u76d6\u6700\u591a\u516c\u5171\u573a\u6240\u7684\u5b89\u88c5\u5730\u70b9\u65b9\u6848\u6570\uff0c\u4ee5\u53ca\u80fd\u8986\u76d6\u7684\u6700\u591a\u516c\u5171\u573a\u6240\u7684\u6570\u91cf\u3002<\/p>\n

\u6837\u4f8b\u4e00<\/h4>\n

input<\/h4>\n

1
\n2
\n4 4 10
\n6 6 20<\/p>\n

output<\/h4>\n
<\/div>\n

1 30<\/p>\n

\u9650\u5236\u4e0e\u7ea6\u5b9a<\/h4>\n
<\/div>\n

1 \u2264 d \u2264 20, 1 \u2264 n \u2264 20, 0 \u2264 x \u2264 128, 0 \u2264 y \u2264 128, 0 < k \u2264 1000000
\n\u65f6\u95f4\u9650\u5236\uff1a1s
\n\u7a7a\u95f4\u9650\u5236\uff1a256MB
\n\u8bdd\u8bf4\u8fd9\u9053\u9898\u5c31\u662f\u88f8\u6a21\u62df\uff0c\u6570\u636e\u8303\u56f4\u3002\u3002\u66b4\u641c\u53ef\u8fc7\u3002<\/p>\n

#include <iostream>\n#include <cstdio>\n#include <algorithm>\nusing namespace std;\nint x[130],y[130],k[130];\nint d,n,mx,cnt;\ninline int c(int a,int b)\n{\n\tint ans=0;\n\tfor(int i=1;i<=n;i++)\n\t{\n\t\tif(abs(a-x[i])<=d&&abs(b-y[i])<=d)\n\t\t\tans+=k[i];\n\t}\n\treturn ans;\n}\nint main()\n{\n\tcin>>d>>n;\n\tfor(int i=1;i<=n;i++)\n\t{\n\t\tscanf(\"%d%d%d\",&x[i],&y[i],&k[i]);\n\t}\n\tfor(int i=0;i<=128;i++)\n\t{\n\t\tfor(int j=0;j<=128;j++)\n\t\t{\n\t\t\tint tmp=c(i,j);\n\t\t\tif(tmp>mx)\n\t\t\t{\n\t\t\t\tmx=tmp;\n\t\t\t\tcnt=1;\n\t\t\t}\n\t\t\telse if(tmp==mx)\n\t\t\t\tcnt++;\n\t\t}\n\t}\n\tcout<<cnt<<\" \"<<mx<<\"\\n\";\n\treturn 0;\n}<\/pre>\n
 <\/p>\n","protected":false},"excerpt":{"rendered":"
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