Solution: Perfect Squares
Explore how to apply number theory to determine the minimum count of perfect squares that sum to a given integer. Learn to use the Four-Square and Three-Square theorems to optimize your solution beyond brute force, enabling efficient coding interview problem solving with deep mathematical insight.
We'll cover the following...
We'll cover the following...
Statement
Given an integer, n, return the least number of perfect square numbers that sum to n.
A perfect square is an integer that is the square of an integer. In other words, it is an integer that is the result of multiplying a whole integer by itself. For example,
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