19年省赛第二次练习(2019/4/29)

1.反素数

https://www.luogu.org/problemnew/show/P1463

2.仪仗队

https://www.luogu.org/problemnew/show/P2158

3.小木棍 ［数据加强版］

https://www.luogu.org/problemnew/show/P1120

4.关路灯

https://www.luogu.org/problemnew/show/P1220

5.银河英雄传说

https://www.luogu.org/problemnew/show/P1196

6.封锁阳光大学

https://www.luogu.org/problemnew/show/P1330