Problem Statement | |||||||||||||
A triangle is called isosceles if it has two sides of equal length. Two triangles are considered to be different if they have different sets of vertices. You have a grid of N x M square cells. Return the number of different isosceles triangles you can form using only the centers of grid cells as vertices. | |||||||||||||
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Constraints | |||||||||||||
- | N will be between 1 and 200, inclusive. | ||||||||||||
- | M will be between 1 and 200, inclusive. | ||||||||||||
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