🌱 DSA (Beginner) · Next Level (Brief) · cozy lesson

DP for Beginners 🔒 premium preview

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13 min · 1 min read · no scary math, promise

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You’ve got this. Read a little, play a little — I’ll wait. No rush.

def climb(n):
    a=b=1
    for _ in range(n-1): a,b=b,a+b
    return b
# house robber: dp[i]=max(dp[i-1], dp[i-2]+nums[i])

Recipe: state → recurrence → base → order → optimize space.

Correct answers earn XP (once each).

1. DP when…

2. Climb stairs (1/2 steps)?

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The checkbox in the explorer turns green too — same progress.