题解 | #小乐乐走台阶#
小乐乐走台阶
http://www.nowcoder.com/practice/ebf04de0e02c486099d78b7c3aaec255
function show(n) {
if (n == 1) {
return 1;
} else if (n == 2) {
return 2;
} else {
return show(n - 1) + show(n - 2);
}
}
let n = Number(readline());
console.info(show(n));
