{"id":378,"date":"2010-09-19T23:08:00","date_gmt":"2010-09-19T15:08:00","guid":{"rendered":"http:\/\/localhost\/?p=378"},"modified":"2010-09-19T23:08:00","modified_gmt":"2010-09-19T15:08:00","slug":"noi2007_currency_exchange_cash","status":"publish","type":"post","link":"https:\/\/www.shuizilong.com\/wjmzbmr\/?p=378","title":{"rendered":"[NOI2007]\u8d27\u5e01\u5151\u6362Cash"},"content":{"rendered":"\n

[NOI2007]\u8d27\u5e01\u5151\u6362Cash<\/p>\n

Time Limit:5000MS  Memory Limit:65536K
Total Submit:84 Accepted:36
Case Time Limit:1000MS<\/p>\n

Description <\/strong><\/p>\n

<\/p>\n

Input <\/strong><\/p>\n

\u7b2c\u4e00\u884c\u4e24\u4e2a\u6b63\u6574\u6570N\u3001S\uff0c\u5206\u522b\u8868\u793a\u5c0fY \u80fd\u9884\u77e5\u7684\u5929\u6570\u4ee5\u53ca\u521d\u59cb\u65f6\u62e5\u6709\u7684\u94b1\u6570\u3002
\u63a5\u4e0b\u6765N \u884c\uff0c\u7b2cK \u884c\u4e09\u4e2a\u5b9e\u6570AK\u3001BK\u3001RateK\uff0c\u610f\u4e49\u5982\u9898\u76ee\u4e2d\u6240\u8ff0<\/p>\n

Output <\/strong><\/p>\n

\u53ea\u6709\u4e00\u4e2a\u5b9e\u6570MaxProfit\uff0c\u8868\u793a\u7b2cN \u5929\u7684\u64cd\u4f5c\u7ed3\u675f\u65f6\u80fd\u591f\u83b7\u5f97\u7684\u6700\u5927\u7684\u91d1\u94b1
\u6570\u76ee\u3002\u7b54\u6848\u4fdd\u75593 \u4f4d\u5c0f\u6570\u3002<\/p>\n

Sample Input <\/strong><\/p>\n

3 100
1 1 1
1 2 2
2 2 3<\/p>\n

Sample Output <\/strong><\/p>\n

225.000<\/p>\n

Hint <\/strong><\/p>\n

<\/p>\n

\u6d4b\u8bd5\u6570\u636e\u8bbe\u8ba1\u4f7f\u5f97\u7cbe\u5ea6\u8bef\u5dee\u4e0d\u4f1a\u8d85\u8fc710-7\u3002
\u5bf9\u4e8e40%\u7684\u6d4b\u8bd5\u6570\u636e\uff0c\u6ee1\u8db3N \u2264 10\uff1b
\u5bf9\u4e8e60%\u7684\u6d4b\u8bd5\u6570\u636e\uff0c\u6ee1\u8db3N \u2264 1 000\uff1b
\u5bf9\u4e8e100%\u7684\u6d4b\u8bd5\u6570\u636e\uff0c\u6ee1\u8db3N \u2264 100 000\uff1b <\/p>\n

Source <\/strong><\/p>\n

\u6211\u53c8\u4f7f\u7528\u968f\u673a\u5316\u7b97\u6cd5\u5f3a\u884cAC\u4e86\u8fd9\u9053\u9898\u76ee\u56e7\u3002\u3002\u3002\u3002
WA+TLE N\u6b21\u3002\u3002\u3002\u7d2f\u6210SB\u56e7\u3002\u3002\u3002
\u9996\u5148\u8f6c\u5316\u6210\u7ef4\u62a4\u51f8\u58f3\u5927\u5bb6\u90fd\u77e5\u9053\u3002\u3002
\u6211\u7684\u529e\u6cd5\u57fa\u672c\u4e0a\u5c31\u662f\u7ef4\u62a4\u4e00\u4e2a\u94fe\u8868\u7684\u6570\u7ec4\u3002\u3002
\u7136\u540e\u6839\u636e\u7b97\u6cd5\u5bfc\u8bba\u8bf4\u7684\u53ef\u4ee5\u5728Sqrt\uff08N\uff09\u7684\u65f6\u95f4\u5185\u5728\u8fd9\u4e2a\u6570\u7ec4\u91cc\u9762\u627e\u4e00\u4e2a\u5143\u7d20\u3002\u3002
\u6240\u4ee5\u63d2\u5165\u8ddf\u7ef4\u62a4\u90fd\u53ef\u4ee5\u505a\u5230Sqrt\uff08N\uff09\u3002\u3002\u3002
\u7136\u540e\u786c\u505a\u3002\u3002
\u5c31A\u6389\u4e86\u56e7\u3002\u3002\u3002
Code\uff1a
http:\/\/www.ideone.com\/8hGL1<\/a> <\/p>\n","protected":false},"excerpt":{"rendered":"

[NOI2007]\u8d27\u5e01\u5151\u6362Cash Time Limit:5000MS  Memory Limit:65536KTotal Submit:84 Accepted:36 Case Time Limit:1000MS Description Input \u7b2c\u4e00\u884c\u4e24\u4e2a\u6b63\u6574\u6570N\u3001S\uff0c\u5206\u522b\u8868\u793a\u5c0fY \u80fd\u9884\u77e5\u7684\u5929\u6570\u4ee5\u53ca\u521d\u59cb\u65f6\u62e5\u6709\u7684\u94b1\u6570\u3002 \u63a5\u4e0b\u6765N \u884c\uff0c\u7b2cK \u884c\u4e09\u4e2a\u5b9e\u6570AK\u3001BK\u3001RateK\uff0c\u610f\u4e49\u5982\u9898\u76ee\u4e2d\u6240\u8ff0 Output \u53ea\u6709\u4e00\u4e2a\u5b9e\u6570MaxProfit\uff0c\u8868\u793a\u7b2cN \u5929\u7684\u64cd\u4f5c\u7ed3\u675f\u65f6\u80fd\u591f\u83b7\u5f97\u7684\u6700\u5927\u7684\u91d1\u94b1 \u6570\u76ee\u3002\u7b54\u6848\u4fdd\u75593 \u4f4d\u5c0f\u6570\u3002 Sample Input 3 1001 1 11 2 22 2 3 Sample Output 225.000 Hint \u6d4b\u8bd5\u6570\u636e\u8bbe\u8ba1\u4f7f\u5f97\u7cbe\u5ea6\u8bef\u5dee\u4e0d\u4f1a\u8d85\u8fc710-7\u3002 \u5bf9\u4e8e40%\u7684\u6d4b\u8bd5\u6570\u636e\uff0c\u6ee1\u8db3N \u2264 10\uff1b \u5bf9\u4e8e60%\u7684\u6d4b\u8bd5\u6570\u636e\uff0c\u6ee1\u8db3N \u2264 1 000\uff1b \u5bf9\u4e8e100%\u7684\u6d4b\u8bd5\u6570\u636e\uff0c\u6ee1\u8db3N \u2264 100 000\uff1b Source \u6211\u53c8\u4f7f\u7528\u968f\u673a\u5316\u7b97\u6cd5\u5f3a\u884cAC\u4e86\u8fd9\u9053\u9898\u76ee\u56e7\u3002\u3002\u3002\u3002WA+TLE N\u6b21\u3002\u3002\u3002\u7d2f\u6210SB\u56e7\u3002\u3002\u3002\u9996\u5148\u8f6c\u5316\u6210\u7ef4\u62a4\u51f8\u58f3\u5927\u5bb6\u90fd\u77e5\u9053\u3002\u3002\u6211\u7684\u529e\u6cd5\u57fa\u672c\u4e0a\u5c31\u662f\u7ef4\u62a4\u4e00\u4e2a\u94fe\u8868\u7684\u6570\u7ec4\u3002\u3002\u7136\u540e\u6839\u636e\u7b97\u6cd5\u5bfc\u8bba\u8bf4\u7684\u53ef\u4ee5\u5728Sqrt\uff08N\uff09\u7684\u65f6\u95f4\u5185\u5728\u8fd9\u4e2a\u6570\u7ec4\u91cc\u9762\u627e\u4e00\u4e2a\u5143\u7d20\u3002\u3002\u6240\u4ee5\u63d2\u5165\u8ddf\u7ef4\u62a4\u90fd\u53ef\u4ee5\u505a\u5230Sqrt\uff08N\uff09\u3002\u3002\u3002\u7136\u540e\u786c\u505a\u3002\u3002\u5c31A\u6389\u4e86\u56e7\u3002\u3002\u3002Code\uff1ahttp:\/\/www.ideone.com\/8hGL1<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":[],"categories":[10],"tags":[],"jetpack_featured_media_url":"","_links":{"self":[{"href":"https:\/\/www.shuizilong.com\/wjmzbmr\/index.php?rest_route=\/wp\/v2\/posts\/378"}],"collection":[{"href":"https:\/\/www.shuizilong.com\/wjmzbmr\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.shuizilong.com\/wjmzbmr\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.shuizilong.com\/wjmzbmr\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.shuizilong.com\/wjmzbmr\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=378"}],"version-history":[{"count":0,"href":"https:\/\/www.shuizilong.com\/wjmzbmr\/index.php?rest_route=\/wp\/v2\/posts\/378\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.shuizilong.com\/wjmzbmr\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=378"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.shuizilong.com\/wjmzbmr\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=378"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.shuizilong.com\/wjmzbmr\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=378"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}