In many dp, such as knapsack, there is a often a state dp[i][...] such that i is first i numbers. Why is that? Why might it be so convenient for such a state?
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In DP, why state 'First i numbers' so common?
In many dp, such as knapsack, there is a often a state dp[i][...] such that i is first i numbers. Why is that? Why might it be so convenient for such a state?
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