{"id":279,"date":"2012-11-20T17:10:00","date_gmt":"2012-11-20T09:10:00","guid":{"rendered":"http:\/\/nike0good.jp1.rpvhost.net\/184"},"modified":"2012-11-20T17:10:00","modified_gmt":"2012-11-20T09:10:00","slug":"cf_1a_implicit_conversion","status":"publish","type":"post","link":"https:\/\/nike0good.com\/?p=279","title":{"rendered":"CF 1A(\u9690\u5f0f\u8f6c\u6362\uff09"},"content":{"rendered":"
\n
\n
\n
\n
\n
A. Theatre Square<\/div>\n
\n
\ntime limit per test<\/div>\n

2 seconds<\/p><\/div>\n

\n
\nmemory limit per test<\/div>\n

64 megabytes<\/p><\/div>\n

\n
\ninput<\/div>\n

standard input<\/p><\/div>\n

\n
\noutput<\/div>\n

standard output<\/p><\/div>\n<\/div>\n

\n

\n\u5728n*m\u7684\u5e7f\u573a\u4e0a\u5e73\u94fa\u8fb9\u957f\u4e3aa\u7684\u6b63\u65b9\u5f62\u77f3\u677f\uff0c\u95ee\u81f3\u5c11\u8981\u591a\u5c11\u77f3\u677f\u624d\u80fd\u94fa\u6ee1\u5e7f\u573a\uff08\u77f3\u677f\u5fc5\u987b\u5bf9\u9f50\u4e14\u4e0e\u8fb9\u89d2\u7ebf\u5e73\u884c\uff09<\/p>\n<\/div>\n

\n
\nInput<\/div>\n

\n\u8f93\u5165\u4ec5\u4e00\u884c n<\/em>,\u2009\u2009m<\/em><\/span> and a<\/em><\/span> (1\u2009\u2264\u2009\u2009n<\/em>,\u2009m<\/em>,\u2009a<\/em>\u2009\u2264\u2009109<\/sup><\/span>).<\/p>\n<\/div>\n

\n
\nOutput<\/div>\n

\n\u8f93\u51fa\u4e00\u884c\u6700\u5c0f\u77f3\u677f\u6570\u3002<\/p>\n<\/div>\n

\n
\nSample test(s)<\/div>\n
\n
\n
\ninput<\/div>\n
6 6 4\n<\/pre>\n<\/div>\n
\n
\noutput<\/div>\n
4<\/pre>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n
\u663e\u7136\u7b54\u6848\u4e3a(ceil(double(n)\/double(a))*ceil(double(m)\/double(a)))\u3002<\/span><\/p>\n
\u4f46\u76f4\u63a5\u7528cout\u8f93\u51fa\u53ef\u80fd\u88ab\u8f6c\u6362\u6210\u79d1\u5b66\u8868\u793a\u6cd5<\/span><\/p>\n
\u4e14\u6781\u7aef\u60c5\u51b5Maxn*Maxm>2^31<\/span><\/p>\n
\u6240\u4ee5\u8f93\u51fa\u65f6\u8981\u6253\u4e0a\uff08long long)<\/span><\/p>\n
\u800c\u4e14\u5fc5\u987b\u6846\u4e0adouble()\u5426\u5219\u4e2d\u95f4\u7684\u2018\/'\u4f1a\u88ab\u5f53\u6210\u6574\u9664<\/span><\/p>\n

\n<\/span><\/p>\n
<\/span><\/p>\n
#include<cstdio>\n#include<cstring>\n#include<cstdlib>\n#include<cmath>\n#include<iostream>\nusing namespace std;\n#define MAXN (1000000000)\nlong long n,m,a;\nint main()\n{\n\tcin>>n>>m>>a;\n\tcout<<(long long)(ceil(double(n)\/double(a))*ceil(double(m)\/double(a)))<<endl;\n\treturn 0;\n}<\/pre><\/p>\n","protected":false},"excerpt":{"rendered":"
A. 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