题解 | #跳台阶扩展问题#
跳台阶扩展问题
https://www.nowcoder.com/practice/22243d016f6b47f2a6928b4313c85387
function jumpFloorII(number)
{
// 规律是后一个是前一个的两倍
// 定义状态转移数组
let dp = [];
// 初始化
dp[1] = 1;
dp[2] = 2;
for(let i = 3; i <= number; i++){
dp[i] = 2 * dp[i - 1];
}
return dp[number];
}
module.exports = {
jumpFloorII : jumpFloorII
};
