Entries from 2020-05-05 to 1 day
This algorithm divide permutation in middle then repeat the division. http://judge.u-aizu.ac.jp/onlinejudge/description.jsp?id=ALDS1_4_D https://atcoder.jp/contests/abc030/tasks/abc030_c https://atcoder.jp/contests/abc034/tasks/abc034_dI l…