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First solution in Clear category for Feed Pigeons by nakanolab
def checkio(number):
t = 0
fed = 0
while True:
number -= fed
if number <= 0:
break
t += 1
fed += min(t, max(0, number - fed))
return fed
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"
May 8, 2015
