Word Break is the classic 1D string DP that trips people who reach for greedy or naive recursion. The signal is the dp[i] = 'is the prefix of length i segmentable' recurrence, plus why a locally valid split can doom the rest. Here is the answer.
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Word Break is the classic 1D string DP that trips people who reach for greedy or naive recursion. The signal is the dp[i] = 'is the prefix of length i segmentable' recurrence, plus why a locally valid split can doom the rest. Here is the answer.
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