登入
codeforces ACM Math combinatorics
05-27
combinatorics
05-05
codeforces ACM combinatorics
03-26
combinatorics permutation numbers output input each kill
03-16
--------------DP-------------- 普通DP ---------mathematics---------- combinatorics
03-11
------------------------------ 遞推 ---------mathematics---------- combinatorics --------------DP-------------- 普通DP
![【JZOJ5870】【NOIP2018模拟9.15】地圖 （遞推+DP+組合數學）ProblemHintSolutionCode[圖]](data:image/gif;base64,R0lGODlhAQABAIAAAP///wAAACwAAAAAAQABAAACAkQBADs=)
