mirror of
https://github.com/TheAlgorithms/JavaScript.git
synced 2025-07-15 02:33:35 +08:00
6275b709d7
* Create ClimbingStairs.js * Update ClimbingStairs.js Co-authored-by: vinayak <itssvinayak@gmail.com>
27 lines
494 B
JavaScript
27 lines
494 B
JavaScript
/*
|
|
* You are climbing a stair case. It takes n steps to reach to the top.
|
|
* Each time you can either climb 1 or 2 steps. In how many distinct ways can you climb to the top?
|
|
*/
|
|
|
|
const climbStairs = (n) => {
|
|
let prev = 0
|
|
let cur = 1
|
|
let temp
|
|
|
|
for (let i = 0; i < n; i++) {
|
|
temp = prev
|
|
prev = cur
|
|
cur += temp
|
|
}
|
|
return cur
|
|
}
|
|
|
|
const main = () => {
|
|
const number = 5
|
|
|
|
console.log('Number of ways to climb ' + number + ' stairs in ' + climbStairs(5))
|
|
}
|
|
|
|
// testing
|
|
main()
|