題目描述
package main import ( "math" ) func jumpFloorII( number int ) int { // write code here if number < 0 { return 0 } if number == 0 { return 1 } return int(math.Pow(2, float64(number - 1))) }
package main import ( "math" ) func jumpFloorII( number int ) int { // write code here if number < 0 { return 0 } if number == 0 { return 1 } return int(math.Pow(2, float64(number - 1))) }