[LOJ3074] "2019 team mutual test Day 3" operation sequence count

[title link] Click to open the link [main ideas] Consider to calculate the number of schemes with no more than three times of operation 222. It should be equal to the multiple of 222 k0k^0k0, 111 k1k^1k1, 111 k2k^2k2 The multiple sum of 111 K I K ^ I K I is NNN. From high to low dpdpdp dp, the number of positions that can ...

Posted on Mon, 18 Nov 2019 13:16:43 -0500 by Love_Daddy

One figure explains the installation instructions of FastDFS highly available distributed cluster with the least machines

  I'm very lucky to participate in the public cloud construction and incubation project of the retail cloud FMCG platform. The retail cloud fast consumer platform originates from the private project of 3C platform of retail cloud appliances, which is strongly coupled with the company's business. In order to apply to the full scene and full ...

Posted on Mon, 18 Nov 2019 12:14:52 -0500 by kaizix

[Splay] CF809D Hitchhiking in the Baltic States

[title]CF There is a sequence with nnn length, and the value range of the third number is [l i, ri] [l_i, r_i] [Li, ri]. Find out the length of the strictly longest ascending subsequence in all possible cases.n≤3×105,ri≤109n\leq 3\times 10^5,r_i\leq 10^9n≤3×105,ri​≤109 [solutions] Consider how we usually do LIS\text{LIS}LIS, tha ...

Posted on Mon, 18 Nov 2019 12:36:00 -0500 by smitho

android simulator ADT links to local database Mysql

android simulator ADT links to local database Mysql 1. Create a new link database thread and insert data into the database to view the link effectNote that if you only test the link ip between the simulator and the local database MySQl, you can directly fill in 10.0.2.2ip can be directly filled in 10.0.2.2ip can be directly f ...

Posted on Mon, 18 Nov 2019 12:45:48 -0500 by davitz38

JPA series 14: integrating Spring

Three ways of integration:   1. LocalEntityManagerFactoryBean: it is applicable to those projects that only use JPA for data access. The FactoryBean will work according to the JPA PersistenceProvider automatic detection configuration file. Generally, the configuration information is read from "META-INF/persistence.xml& ...

Posted on Mon, 18 Nov 2019 13:45:50 -0500 by phpfolk2003