NeetCode #690LC-837Medium1-D Dynamic Programming
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#690 · #837 · New 21 Game(新 21 点)

📌 Problem Statement & Constraints

Starting with 0 points, repeatedly draw an integer uniformly from [1, maxPts] and add it, stopping as soon as the score reaches k or more. Return the probability that the final score is at most n. Constraints: 0 <= k <= n <= 10^4, 1 <= maxPts <= 10^4.
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