type: subtask
score_total: 100
groups:
    - id: 1
      score: 0
      testcases: [1]
    - id: 2
      score: 15
      testcases: [2, 3, 4, 5, 6]
    - id: 3
      score: 33
      testcases: [7, 8, 9, 10, 11, 12]
    - id: 4
      score: 52
      testcases: [13, 14, 15, 16, 17, 18, 19, 20]
public: [1, 2, 3, 4]