kyu_7.growing_plant package

Submodules

kyu_7.growing_plant.growing_plant module

kyu_7.growing_plant.growing_plant.growing_plant(upSpeed, downSpeed, desiredHeight) → int

Each day a plant is growing by upSpeed meters. Each night that plant’s height decreases by downSpeed meters due to the lack of sun heat. Initially, plant is 0 meters tall. We plant the seed at the beginning of a day. We want to know when the height of the plant will reach a certain level. :param upSpeed: :param downSpeed: :param desiredHeight: :return:

kyu_7.growing_plant.test_growing_plant module

class kyu_7.growing_plant.test_growing_plant.GrowingPlantTestCase(methodName='runTest')

Bases: unittest.case.TestCase

Testing growing_plant function

test_growing_plant()

Testing growing_plant function

Task

Each day a plant is growing by upSpeed meters. Each night that plant’s height decreases by downSpeed meters due to the lack of sun heat. Initially, plant is 0 meters tall. We plant the seed at the beginning of a day. We want to know when the height of the plant will reach a certain level.

Example

For upSpeed = 100, downSpeed = 10 and desiredHeight = 910, the output should be 10.

For upSpeed = 10, downSpeed = 9 and desiredHeight = 4, the output should be 1. Because the plant reach to the desired height at day 1(10 meters).

Input/Output

[input] integer upSpeed A positive integer representing the daily growth. Constraints: 5 ≤ upSpeed ≤ 100.

[input] integer downSpeed A positive integer representing the nightly decline. Constraints: 2 ≤ downSpeed < upSpeed.

[input] integer desiredHeight A positive integer representing the threshold. Constraints: 4 ≤ desiredHeight ≤ 1000.

[output] an integer

The number of days that it will take for the plant to reach/pass desiredHeight (including the last day in the total count).

Module contents