15 Jun 2024•Easy•C++ / Python / TypeScript

Climbing Stairs

C++, Python and TypeScript solutions for Climbing Stairs.

The Climbing Stairs solutions are below.

Solution files

Python•climbing-stairs/synced-solution.py

class Solution:
    def climbStairs(self, n: int) -> int:
        a, b = 1, 1
        for _ in range(n-1):
            a, b = b, a+b
        return b

C++•climbing-stairs/synced-solution.cpp

class Solution {
public:
    int climbStairs(int n) {
        int a = 1, b = 1;
        for (int i = 1; i < n; i++) { int c = a+b; a = b; b = c; }
        return b;
    }
};

TypeScript•climbing-stairs/synced-solution.ts

function climbStairs(n: number): number {
    let a = 1, b = 1;
    for (let i = 1; i < n; i++) [a, b] = [b, a + b];
    return b;
}