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First solution in Clear category for Ghosts Age by tmaki
import math
def checkio(opacity):
testOpacity = 10000
age = 0
while age < 5000:
age += 1
if (math.sqrt(5*age*age - 4)).is_integer() or (math.sqrt( 5*age*age + 4)).is_integer():
testOpacity -= age
else:
testOpacity += 1
if testOpacity == opacity or age == 5000:
return age
#These "asserts" using only for self-checking and not necessary for auto-testing
if __name__ == '__main__':
assert checkio(10000) == 0, "Newborn"
assert checkio(9999) == 1, "1 year"
assert checkio(9997) == 2, "2 years"
assert checkio(9994) == 3, "3 years"
assert checkio(9995) == 4, "4 years"
assert checkio(9990) == 5, "5 years"
Oct. 14, 2016
