Algorithms | Dynamic Programming | Question 7

In the above question, which entry of the array X, if TRUE, implies that there is a subset whose elements sum to W?

(A)

X[1, W]

(B)

X[n ,0]

(C)

X[n, W]

(D)

X[n -1, n]

Answer: (C)

Explanation:

If we get the entry X[n, W] as true then there is a subset of {a1, a2, .. an} that has sum as W. 

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