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2019 CSP（原NOIP）考级攻略
https://www.jianshu.com/p/d4b678ecd467
CSP考级的报名方式及时间
http://wuhantctm.soxsok.com/news/640088/
软件能力认证（CSP）就是2019年全国青少年信息学奥林匹克联赛吗？
http://www.zizzs.com/c/201909/38732.html
CSP 2019认证成绩出炉丨12分就能进复赛？！
https://zhuanlan.zhihu.com/p/88350288
