x \u8f74\u4e0a\u5206\u5e03\u7740 n \u5404\u6751\u5e84\uff0c\u5750\u6807 x_i\u3002\u5728\u7b2c i \u5404\u6751\u5e84\uff0c\u5efa\u8bbe\u57fa\u7ad9\u7684\u8d39\u7528\u4e3a c_i\uff0c
\n\u3002\u3002\u6751\u5e84\u7684\u3010\u88ab\u8986\u76d6\u534a\u5f84\u3011\u4e3a r_i\uff0c\u8868\u793a\u8986\u76d6 i \u6751\u5e84\u7684\u6761\u4ef6\u662f\uff0c\u5728 [x_i – r_i, x_i + r_i] \u8303\u56f4\u5185\u6709\u6751\u5e84\u5efa\u8bbe\u4e86\u57fa\u7ad9\u3002\u3002
\n\u3002\u3002\u6bcf\u4e2a\u6751\u5e84\u672a\u88ab\u8986\u76d6\u7684\u60e9\u7f5a\u4ee3\u4ef7\u662f w_i\u3002\u3002\u3002\u6c42\u5efa\u8bbe\u81f3\u591a nn \u4e2a\u57fa\u7ad9\u6700\u5c0f\u8d39\u7528\u3002<\/p>\n
<\/p>\n
\u6734\u7d20\uff1a Brief description\uff1a x \u8f74\u4e0a\u5206\u5e03\u7740 n \u5404\u6751\u5e84\uff0c\u5750\u6807 x_i\u3002\u5728\u7b2c i \u5404\u6751\u5e84\uff0c\u5efa\u8bbe\u57fa\u7ad9\u7684\u8d39\u7528\u4e3a c_i\uff0c \u3002\u3002\u6751\u5e84\u7684\u3010\u88ab\u8986\u76d6\u534a\u5f84\u3011\u4e3a r_i\uff0c\u8868\u793a\u8986\u76d6 i \u6751\u5e84\u7684\u6761\u4ef6\u662f\uff0c\u5728 [x_i – r_i, x_i + r_i] \u8303\u56f4\u5185\u6709\u6751\u5e84\u5efa\u8bbe\u4e86\u57fa\u7ad9\u3002\u3002 \u3002\u3002\u6bcf\u4e2a\u6751\u5e84\u672a\u88ab\u8986\u76d6\u7684\u60e9\u7f5a\u4ee3\u4ef7\u662f w_i\u3002\u3002\u3002\u6c42\u5efa\u8bbe\u81f3\u591a nn \u4e2a\u57fa\u7ad9\u6700\u5c0f\u8d39\u7528\u3002<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"jetpack_post_was_ever_published":false,"_jetpack_newsletter_access":"","_jetpack_dont_email_post_to_subs":false,"_jetpack_newsletter_tier_id":0,"_jetpack_memberships_contains_paywalled_content":false,"_jetpack_memberships_contains_paid_content":false,"footnotes":"","jetpack_publicize_message":"","jetpack_publicize_feature_enabled":true,"jetpack_social_post_already_shared":true,"jetpack_social_options":{"image_generator_settings":{"template":"highway","enabled":false}}},"categories":[1],"tags":[],"class_list":["post-1001","post","type-post","status-publish","format-standard","hentry","category-uncategorized"],"jetpack_publicize_connections":[],"jetpack_featured_media_url":"","jetpack_shortlink":"https:\/\/wp.me\/p2tdP7-g9","jetpack_sharing_enabled":true,"_links":{"self":[{"href":"https:\/\/www.shuizilong.com\/house\/wp-json\/wp\/v2\/posts\/1001","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.shuizilong.com\/house\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.shuizilong.com\/house\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.shuizilong.com\/house\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.shuizilong.com\/house\/wp-json\/wp\/v2\/comments?post=1001"}],"version-history":[{"count":1,"href":"https:\/\/www.shuizilong.com\/house\/wp-json\/wp\/v2\/posts\/1001\/revisions"}],"predecessor-version":[{"id":1002,"href":"https:\/\/www.shuizilong.com\/house\/wp-json\/wp\/v2\/posts\/1001\/revisions\/1002"}],"wp:attachment":[{"href":"https:\/\/www.shuizilong.com\/house\/wp-json\/wp\/v2\/media?parent=1001"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.shuizilong.com\/house\/wp-json\/wp\/v2\/categories?post=1001"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.shuizilong.com\/house\/wp-json\/wp\/v2\/tags?post=1001"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}
\nf[ii][i]: \u524d i \u4e2a\u6751\u5e84\uff0c\u7b2c ii \u4e2a\u57fa\u7ad9\u5efa\u7acb\u57fa\u7ad9 \u3002\u3002\u3002
\nf[ii][i] = min(f[ii-1][j] + w(j, i) | ii-1 <= j < i)\n\n\u8fd9\u91cc\u7684\u4ee3\u4ef7\u51fd\u6570\u8f83\u4e3a\u590d\u6742\uff1a\n\n[cpp]\nint w(int l, int r){\n int res = 0; FOR(i, l+1, r) if (l < ll[i] && rr[i] < r) res += _w[i];\n return res;\n}\n[\/cpp]\n\n\u8003\u5bdf r \u7684\u589e\u52a0\u3002\u3002\u53ea\u4f1a\u56e0\u4e3a\u53d1\u751f\n rr[i] == r -> rr[i] < r+1\n\u8fd9\u6837\u7684\u53d8\u5316\u3002\u3002\u800c\u5bfc\u81f4\u4ee3\u4ef7\u7684\u589e\u52a0\u3002\u3002\n\n\n\u4e8e\u662f\u3002\u3002\u6211\u4eec\u8003\u8651\u505a\u4e00\u4e2a\u7ebf\u6bb5\u6811\u7ef4\u62a4 w(i, j)\u3002\u3002\u3002\n\u3002\u3002\u6211\u4eec\u679a\u4e3e\u6240\u6709 rr[i] = b \u7684\u70b9\u3002\n\u3002\u3002\u5c06 [0, ll[i]) \u8fd9\u6bb5\u533a\u95f4 \uff08\u4e5f\u5c31\u662f\u6ee1\u8db3 l < ll[i]\uff09+= _w[i]\u3002\u3002\u3002\n\n\nhttp:\/\/www.lydsy.com\/JudgeOnline\/problem.php?id=1835<\/a>
\nhttp:\/\/y4612s.logdown.com\/posts\/189827-solution-bzoj1835-zjoi2010base-base-station-location<\/a>
\nhttps:\/\/gist.github.com\/lychees\/7773b7d7da611f4602e6<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"