题解 | #跳台阶#
跳台阶
http://www.nowcoder.com/practice/8c82a5b80378478f9484d87d1c5f12a4
非递归非动态规划写法，时间复杂度O(n)，空间复杂度O(1)
function jumpFloor(number)
{
// write code here
let curr = 1,prev = 0
while(number--){
curr = curr + prev
prev = curr - prev
}
return curr
}
module.exports = {
jumpFloor : jumpFloor
};
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