CF1588F Jumping Through the Array

10-28

CF81E Pairs

10-27

CF1307F Cow and Vacation

10-24

CF1707E Replae

07-14

Alice and Recoloring 1

07-03

CF1616F Tricolor Triangles

05-14

CF750E New Year and Old Subsequence

01-13

CF1616D Keep the Average High

12-30

CF1245F Daniel and Spring Cleaning

12-27

[NEERC2013]Interactive Interception

08-26