题解 | #实NC68 跳台阶#

function jumpFloor(number)
{
    // write code here
    if(number === 1) return 1;
    let dp1 = 1;
    let dp2 = 2;
    
    for(let i = 3; i <= number; i++) {
       const t = dp1 + dp2;
        dp1 = dp2;
        dp2 = t;
    }
    return dp2;
    
}
module.exports = {
    jumpFloor : jumpFloor
};