[Codeforces] Round 767 (Div. 1) D2. Game on Sum (Hard Version)Read more
[Codeforces] Round 767 (Div. 1) D1. Game on Sum (Easy Version)Read more
[Codeforces] Round 919 (Div. 2) E. Counting Binary StringsRead more
[Hacker Earth] GCD on a treeRead more
[Hacker Earth] Gudi and the Magical OrbsRead more
[Hacker Earth] Find the FlowRead more
[Hacker Earth] Rhezo and Big PowersRead more
[Hacker Earth] Text WrapRead more
[Codeforces] Educational Round 121 (Rated for Div. 2) D. Martial Arts TournamentRead more
[Codeforces] Global Round 19 E. Best PairRead more