[Hackerrank] Array Partition (并查集, 数学)

08-03

2018牛客多校05 J plan(数学，规律)

08-02

2018牛客多校05 G max(数学，规律)

08-02

2018牛客多校05 A gpa (01分数规划)

08-02

[Codeforces1006E] Military Problem(DFS)

08-01

[Codeforces1006D] Two Strings Swaps(规律)

08-01

[Codeforces1015E(1,2)] Stars Drawing (贪心,暴力)

08-01

[Codeforces1015D] Walking Between Houses (构造)

08-01

[Codeforces1013E] Hills(DP)

07-31

[Codeforces1013] Round #500 (Div. 2) [based on EJOI]

07-30