2017

SRM334 D1M-D2H ExtendedHappyNumbers

Feb 3

srm, topcoder, メモ化再起

2016

SRM331 D2H ChrismasTree

Dec 4

srm, topcoder, メモ化再起, 動的計画法

SRM301 D2H CorrectingParenthesization

Aug 19

srm, topcoder, メモ化再起, 区間dp