---
ch-1:
  - function: countsmaller
    arguments:
      - 8
      - 1
      - 2
      - 2
      - 3
    result:
      - 4
      - 0
      - 1
      - 1
      - 3
  - arguments:
      - 6
      - 5
      - 4
      - 8
    result:
      - 2
      - 1
      - 0
      - 3
  - arguments:
      - 2
      - 2
      - 2
    result:
      - 0
      - 0
      - 0
ch-2:
  - function: grouphero
    arguments:
      - 2
      - 1
      - 4
    result: 141