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Merged
itsvinayak merged 2 commits into from
Oct 4, 2020
Merged

Create ClimbingStairs.js #379

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6e83953
Create ClimbingStairs.js
illegalcall Oct 2, 2020
65ad2e4
Update ClimbingStairs.js
itsvinayak Oct 4, 2020
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26 changes: 26 additions & 0 deletions Dynamic-Programming/ClimbingStairs.js
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Original file line number Diff line number Diff line change
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/*
* 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()