testcases:
  - name: "testcase 1"
    inputs:
    - 1 : [6, 7, null, 3, 15]
    output:
    - 1 : 3

  - name: "testcase 2"
    inputs:
    - 1 : [20, 10, 50]
    output:
    - 1 : 2

  - name: "testcase 3"
    inputs:
    - 1 : [-10, -23, 45, -25]
    output:
    - 1 : 3

  - name: "testcase 4"
    inputs:
    - 1 : [0]
    output:
    - 1 : 1

  - name: "testcase 5"
    inputs:
    - 1 : [95, 88, -25, 39, 90, 41, -14, -50, 35, -25, 3, 49, 39, 14, 91, 15, 22, 51, 18, 26, 63, -1, -39, 15, 100, -84, -67, 92, -48, 20, 25, 55, -90, -25, -50, 74, -26, -27, -61, -17, 76, -8, -14, -32, 39, 96, 47, -58, 38, -86, -66, -12, 41, 66, -10, 73, -49, 78, -95, -49, 81, -48, -79, 89, -78, 28, 100, -27, 42, -27, 71, 39, 91, 31, -21, 50, -25, 10, 12, -33, -71, -100, 74, -77, 89, -43, 17, 46, 62, 86, 22, 51, -17, -99, -14, 64, 67, 3, -83, -88]
    output:
    - 1 : 7