testcases:
  - name: "testcase 1"
    inputs:
    - 1 : [0, 1, 2, 4]
    output: 
    - 1 : 3

  - name: "testcase 2"
    inputs:
    - 1: [3, 0, 1, 4]
    output:
    - 1 : 2
        
  - name: "testcase 3"
    inputs:
    - 1: [1, 4, 5, 6, 8, 2, 0, 7]
    output:
    - 1 : 3
        
  - name: "testcase 4"
    inputs:
    - 1: [1, 0, 2, 3, 4, 5, 6, 8, 9, 7, 11]
    output:
    - 1 : 10
        
  - name: "testcase 5"
    inputs:
    - 1: [1]
    output:
    - 1 : 0