Switchback Period Count

Problem

Return the number of complete switchback periods that fit in total_time: floor(total_time / (block_length + washout_length)). Return 0 for non-positive total_time or block_length or negative washout_length.

Hint

Each period consumes its block plus a washout.

Test cases

case 1

in: [100,10,5]

expected: 6

case 2

in: [30,10,5]

expected: 2

case 3

in: [14,10,5]

expected: 0

case 4

in: [100,0,5]

expected: 0

case 5

in: [25,10,5]

expected: 1

Starter codePython

def switchback_periods(total_time, block_length, washout_length):
    # Your code here
    pass

5 test cases · run your code against them in the editor