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Daily: 2026-10-25 — Climbing Stairs - #12
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GAjay
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October 25, 2026 10:15
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Problem
climb-stairsproblems/2026-10-25-climb-stairs/Approach
Distinct ways to reach step
nequalways(n-1) + ways(n-2)(each step can add 1 or 2). Base cases:n <= 2returnn. Iterative two-variable loop from 3 ton— Fibonacci without extra array.Tests
node --test problems/2026-10-25-climb-stairs/climb-stairs.test.js— all passed (3/3)npm run test:ci— all passed (38/38)