學習程式設計1_07_最短路線

Suggest_Code_01

moveForward()

moveForward()

moveForward()

collectGem()

turnLeft()

moveForward()

moveForward()

moveForward()

moveForward()

moveForward()

turnLeft()

moveForward()

moveForward()

toggleSwitch()

Result: It takes 10 steps.

Suggest_Code_02

moveForward()

moveForward()

moveForward()

collectGem()

moveForward()

moveForward()

moveForward()

moveForward()

toggleSwitch()

Result: It takes 7 steps, it is the shortest path.

Suggest_Code_03

turnLeft()

moveForward()

moveForward()

turnLeft()

moveForward()

moveForward()

moveForward()

moveForward()

moveForward()

toggleSwitch()

moveForward()

moveForward()

moveForward()

moveForward()

collectGem()

Result: It takes 11 steps.