[Feature] Integer square root#3052
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This PR introduces:
Resource: https://en.wikipedia.org/wiki/Integer_square_root
TODO:
(x + 1)^2 > y ==> x^2 + 2x + 1 > y ==> 2x + 1 > y - x^2 (checked subtraction)x^2 <= y ==> 0 <= y - x^2