2018-01-26 ACM codeforces gym 101620L [Lunar Landscape] 2017-2018 ACM-ICPC, Central Europe Regional Contest (CERC 17) 题解
2018-01-23 ACM codeforces gym 101630B [Box] 2017-2018 ACM-ICPC, Northern Eurasia (Northeastern European Regional) Contest (NEERC 17) 题解
2017-11-29 ACM codeforces gym 101612 I [Intelligence in Perpendicularia] (ICPC 2017-2018 NEERC Northern Subregional Contest St Petersburg November 4 2017) 题解
2017-11-29 ACM codeforces gym 101612 E [Equal Numbers] (ICPC 2017-2018 NEERC Northern Subregional Contest St Petersburg November 4 2017) 题解