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First solution in Clear category for Feed Pigeons by artakase
def checkio(number):
n = number
t = 0
pegeon = 0
while n > 0:
t += 1
pegeon += t
n -= pegeon
return max(pegeon + n, pegeon - t)
if __name__ == '__main__':
#These "asserts" using only for self-checking and not necessary for auto-testing
assert checkio(1) == 1, "1st example"
assert checkio(2) == 1, "2nd example"
assert checkio(5) == 3, "3rd example"
assert checkio(10) == 6, "4th example"
Aug. 6, 2015