AtCoder Grand Contest 008
AtCoder Grand Contest 008 题目链接: https://agc008.contest.atcoder.jp/ A.Simple Calculator(模拟) B.Contiguous Repainting(贪心+枚举) C.Tetromino Tiling(奇偶性)D.K-th K (贪心+构造)E.Next or Nextnext (组合数学+dp+图论+置换)