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problem on dynamic programming
Can anyone help me on the following problem of dynamic programming.Problem statement is as follows: Given a number n find the least number of perfect square numbers sum needed to get n. E.g.
n = 12, return 3 (4 + 4 + 4) = (2^2 + 2^2 + 2^2) NOT (3^2 + 1 + 1 + 1)
n =6, return 3(4 + 1 + 1) = (2^2 + 1^2 + 1^2)
