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# We know that a^2 + b^2 = c^2, and wish to use this to compute c

from math import sqrt, hypot

a = 3e154 # a^2 > 1e308

b = 4e154 # b^2 > 1e308

# with these, c = 5e154 which is less that 1e308

def longSideDirect():

return sqrt(a**2 + b**2) # this will overflow

def longSideBuiltin():

return hypot(a, b) # better to use built-in function