状態を集合で持つ動的計画法(bitDP)の問題を纏めたもの。
bitDP Lv1
https://atcoder.jp/contests/past201912-open/tasks/past201912_i
https://atcoder.jp/contests/abc142/tasks/abc142_e
https://atcoder.jp/contests/abc318/tasks/abc318_d
https://atcoder.jp/contests/abc180/tasks/abc180_e
https://atcoder.jp/contests/abc215/tasks/abc215_e
https://atcoder.jp/contests/abc274/tasks/abc274_e
https://atcoder.jp/contests/abc301/tasks/abc301_e
https://atcoder.jp/contests/past202005-open/tasks/past202005_m
https://atcoder.jp/contests/abc190/tasks/abc190_e
https://atcoder.jp/contests/dp/tasks/dp_o
https://atcoder.jp/contests/arc179/tasks/arc179_b
https://atcoder.jp/contests/joi2014yo/tasks/joi2014yo_d
https://atcoder.jp/contests/joi2017yo/tasks/joi2017yo_d
