[AtCoder] F - Score of PermutationsRead more
[AtCoder] G - Divisors of Binomial CoefficientRead more
[AtCoder] F - Treasure HuntingRead more
[AtCoder] E - SwapRead more
[AtCoder] F - Stamp GameRead more
[Codeforces] Round #468 (Div. 2, based on Technocup 2018 Final Round) C. Laboratory WorkRead more
[Codeforces] Round #467 (Div. 1) A. Save Energy!Read more
[Codeforces] Educational Round 38 (Rated for Div. 2) C. Constructing TestsRead more
[Codeforces] Round #469 (Div. 1) B. A Leapfrog in the ArrayRead more
[Codeforces] Educational Round 40 (Rated for Div. 2) C. Matrix WalkRead more