chenguanghe.com | 书脊 | 这青苔碧瓦堆, 俺曾睡风流觉,

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Robot	Path	Permission
GoogleBot	/	✔
BingBot	/	✔
BaiduSpider	/	✔
YandexBot	/	✔
User-agent: * Disallow: /wp-admin/ Allow: /wp-admin/admin-ajax.php Sitemap: https://www.chenguanghe.com/wp-sitemap.xml

Meta Tags

Title	书脊 \| 这青苔碧瓦堆, 俺曾睡风流觉,
Description	Menu Sidebar Menu Home Projects Reading Classic Music Badminton About Me Parallel Courses III 上课问题, 拓扑排序, 但是这题可以在同一时间连续上课, 然后求最优. 因为可以并行上课, 所以是一道dp问题, dp[
Keywords	N/A

Server Information

WebSite	chenguanghe.com
Host IP	104.21.21.214
Location	Singapore

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chenguanghe.com Valuation

US$1,611,178

Last updated: 2022-08-27 18:42:56

chenguanghe.com has Semrush global rank of 6,569,297. chenguanghe.com has an estimated worth of US$ 1,611,178, based on its estimated Ads revenue. chenguanghe.com receives approximately 185,906 unique visitors each day. Its web server is located in Singapore, with IP address 104.21.21.214. According to SiteAdvisor, chenguanghe.com is safe to visit.

Traffic & Worth Estimates

Purchase/Sale Value	US$1,611,178
Daily Ads Revenue	US$1,488
Monthly Ads Revenue	US$44,618
Yearly Ads Revenue	US$535,407
Daily Unique Visitors	12,394
Note: All traffic and earnings values are estimates.

DNS Records

Host	Type	TTL	Data
chenguanghe.com.	A	299	IP: 104.21.21.214
chenguanghe.com.	A	299	IP: 172.67.200.93
chenguanghe.com.	AAAA	299	IPV6: 2606:4700:3030::6815:15d6
chenguanghe.com.	AAAA	299	IPV6: 2606:4700:3036::ac43:c85d
chenguanghe.com.	NS	86400	NS Record: khloe.ns.cloudflare.com.
chenguanghe.com.	NS	86400	NS Record: olof.ns.cloudflare.com.

HtmlToTextCheckTime:2022-08-27 18:42:56

Menu Sidebar Menu Home Projects Reading Classic Music Badminton About Me Parallel Courses III 上课问题, 拓扑排序, 但是这题可以在同一时间连续上课, 然后求最优. 因为可以并行上课, 所以是一道dp问题, dp[i]= max(max(dp[i],dp[i]+time[i]), dp[j]) j is the neighbor of i. Java class Solution { public int minimumTime(int n, int[][] relations, int[] time) { int[] onto = new int[n + 1]; Map<Integer, Set<Integer>> map = new HashMap<>(); for(int[] r : relations) { onto[r[1]]++; Set<Integer> set = map.getOrDefault(r[0], new HashSet<>()); set.add(r[1]); map.put(r[0],set); } Queue<Integer> queue = new LinkedList<>(); for(int i = 1; i <= n; i++){ if(onto[i] == 0) queue.add(i); } int res = 0; int[] dp = new int[n + 1]; while(!queue.isEmpty()){ int cur = queue.poll(); dp[cur] = dp[cur] + time[cur - 1]; res = Math.max(dp[cur], res); for(int cc : map.getOrDefault(cur, new HashSet<>())){ dp[cc] = Math.max(dp[cc], dp[cur]); onto[cc]--; if(onto[cc] == 0) queue.add(cc); } } return res; } } 1 2 3 4 5 6 7

HTTP Headers

HTTP/1.1 301 Moved Permanently
Date: Tue, 21 Dec 2021 13:17:51 GMT
Connection: keep-alive
Cache-Control: max-age=3600
Expires: Tue, 21 Dec 2021 14:17:51 GMT
Location: https://chenguanghe.com/
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HTTP/2 301 
date: Tue, 21 Dec 2021 13:17:51 GMT
content-type: text/html; charset=iso-8859-1
location: https://www.chenguanghe.com/
cf-cache-status: DYNAMIC
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report-to: {"endpoints":[{"url":"https:\/\/a.nel.cloudflare.com\/report\/v3?s=lNi8cCdmWYQtDQKK4vJgKvt474AKb9QUH%2BQ367C9XzIewK41qKBcKo9aOzgS1%2By8niuml8Elc1Z28OWt3z439Ltgw6WQieR2%2FU7R%2FL98FsQDG%2F4FLBGqCM0Iog7zHvit4UU%3D"}],"group":"cf-nel","max_age":604800}
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HTTP/2 200 
date: Tue, 21 Dec 2021 13:17:52 GMT
content-type: text/html; charset=UTF-8
link: ; rel="https://api.w.org/"
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last-modified: Tue, 21 Dec 2021 13:17:52 GMT
expect-ct: max-age=604800, report-uri="https://report-uri.cloudflare.com/cdn-cgi/beacon/expect-ct"
report-to: {"endpoints":[{"url":"https:\/\/a.nel.cloudflare.com\/report\/v3?s=0xhmXqlHDdKaf8K%2BhdlrFyIr4I3fjJGVJgrRYxPwlWFRm9AAj0Ewm%2FCwuuLLoj4XtlGsZE%2Fw%2F9ag3em5TYn5OvuzUcwRiNyA8jieghhmZ223JMFQKcqfS%2FI0u68V5gBhRb0iPMED"}],"group":"cf-nel","max_age":604800}
nel: {"success_fraction":0,"report_to":"cf-nel","max_age":604800}
server: cloudflare
cf-ray: 6c11649fec68159b-EWR
alt-svc: h3=":443"; ma=86400, h3-29=":443"; ma=86400, h3-28=":443"; ma=86400, h3-27=":443"; ma=86400

chenguanghe.com Whois Information

Domain Name: CHENGUANGHE.COM
Registry Domain ID: 1946541655_DOMAIN_COM-VRSN
Registrar WHOIS Server: whois.namesilo.com
Registrar URL: http://www.namesilo.com
Updated Date: 2020-06-04T21:32:18Z
Creation Date: 2015-07-13T05:03:48Z
Registry Expiry Date: 2029-07-13T05:03:48Z
Registrar: NameSilo, LLC
Registrar IANA ID: 1479
Registrar Abuse Contact Email: abuse@namesilo.com
Registrar Abuse Contact Phone: +1.4805240066
Domain Status: clientTransferProhibited https://icann.org/epp#clientTransferProhibited
Name Server: KHLOE.NS.CLOUDFLARE.COM
Name Server: OLOF.NS.CLOUDFLARE.COM
DNSSEC: unsigned
>>> Last update of whois database: 2021-12-24T08:37:52Z <<<

chenguanghe.com valuation and analysis