2500 + 构造题

CF1344B Monopole Magnets

CF1344B Monopole Magnets 题解

CF1385E Directing Edges

CF1385E Directing Edges 题解

CF1416B Make Them Equal

CF1416B Make Them Equal

GCJ2015 还原集合

GCJ2015 还原集合 题解

CF1391D 505

CF1391D 505 题解

CF1380D Berserk And Fireball

CF1380D Berserk And Fireball 题解

CF1375E Inversion SwapSort

CF1375E Inversion SwapSort 题解

CF449C Jzzhu and Apples

CF449C Jzzhu and Apples 题解

CF1559D2 Mocha and Diana (Hard Version)

CF1559D2 Mocha and Diana (Hard Version) 题解