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First solution in Clear category for Feed Pigeons by TheOne
def checkio(number, minute=1, pigeons=0):
if number <= pigeons + minute:
return max(number, pigeons)
return checkio(number - pigeons - minute, minute=minute+1, pigeons=pigeons+minute)
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"
Oct. 14, 2015