Number of Rectangles That Can Form Largest Square

From LeetCode. Min side heuristic. Solve the geometry problem "Number of Rectangles That Can Form Largest Square".

Examples
Input: [1,2,3]
Output: 0
Hints

Number of Rectangles That Can Form Largest Square

**From LeetCode.** Min side heuristic. Solve the geometry problem "Number of Rectangles That Can Form Largest Square".