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back to boardDiscussion of Problem 1068. SumPython 3 solution without loops Posted by ZEMlan 12 Jul 2018 19:15 n = int(input())
if n > 0:
print(int(n*(n+1)/2))
elif n == 0:
print('1')
else:
print(int(n*(n-1)/-2 + 1))
Re: Python 3 solution without loops Posted by Artem 13 May 2019 00:07 thanks |
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