Leetcode 279 Solution

This article provides solution to leetcode question 279 (perfect-squares)
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https://leetcode.com/problems/perfect-squares

Solution

class Solution:
    def numSquares(self, n: int) -> int:
        dp = [sys.maxsize] * (n + 1)
        dp[0] = 0



        for i in range(n):
            v = dp[i]



            k = 1
            while k * k + i <= n:
                dp[k * k + i] = min(v + 1, dp[k * k + i])
                k += 1



        return dp[-1]