A curve determined by is constructed in a rectangular grid. Determine the number of squares cut by the curve.
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$(NET 6)$ A curve determined by $y =\sqrt{x^2 - 10x+ 52}, 0\le x \le 100,$ is constructed in a rectangular grid. Determine the number of squares cut by the curve.
Izvor: Međunarodna matematička olimpijada, shortlist 1969
Školjka 
A curve determined by 
is constructed in a rectangular grid. Determine the number of squares cut by the curve.