Perfect Squares - Coddicted

Perfect Squares

Title: Perfect Squares Source: leetcode.com

Given a positive integer n, find the least number of perfect square numbers (for example, 1, 4, 9, 16, ...) which sum to n.

For example, given n = 12, return 3 because 12 = 4 + 4 + 4; given n = 13, return 2 because 13 = 4 + 9.

Java solution


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