2020
- 2020-07-242020 Multi-University Training Contest 2 - 1005. New Equipments(网络流)
- 2020-07-22Codeforces Round 658 (Div. 2) - D. Unmerge(dp)
- 2020-07-192020牛客暑期多校训练营（第三场）E - Two Matchings(dp)
- 2020-07-132020牛客暑期多校训练营（第二场）B - Boundary(计算几何)
- 2020-06-05莫比乌斯反演
- 2020-05-10网络流
- 2020-04-25HDU - 4027 Can you answer these queries?(线段树)
- 2020-04-24Codeforces Round 250 (Div. 1) - D. The Child and Sequence(线段树)
- 2020-04-22AC自动机
- 2020-04-16HDU - 5977 Garden of Eden(点分治)
