【题单】挖坑大行动

挖个坑，以后慢慢填QAQ
NOIP2018
普及
https://www.luogu.org/problem/P5015
https://www.luogu.org/problem/P5016
https://www.luogu.org/problem/P5017
https://www.luogu.org/problem/P5018
提高Day1
https://www.luogu.org/problem/P5019
https://www.luogu.org/problem/P5020
https://www.luogu.org/problem/P5021
提高Day2
https://www.luogu.org/problem/P5022
https://www.luogu.org/problem/P5023
https://www.luogu.org/problem/P5024

NOIP2017
普及
https://www.luogu.org/problem/P3954
https://www.luogu.org/problem/P3955
https://www.luogu.org/problem/P3956
https://www.luogu.org/problem/P3957
提高Day1
https://www.luogu.org/problem/P3951
https://www.luogu.org/problem/P3952
https://www.luogu.org/problem/P3953
提高Day2
https://www.luogu.org/problem/P3958
https://www.luogu.org/problem/P3959
https://www.luogu.org/problem/P3960

NOIP2016
普及
https://www.luogu.org/problem/P1909
https://www.luogu.org/problem/P2010
https://www.luogu.org/problem/P2058
https://www.luogu.org/problem/P2119
提高Day1
https://www.luogu.org/problem/P1563
https://www.luogu.org/problem/P1600
https://www.luogu.org/problem/P1850
提高Day2
https://www.luogu.org/problem/P2822
https://www.luogu.org/problem/P2827
https://www.luogu.org/problem/P2831