fakeofakeov's blog

By fakeofakeov, history, 13 days ago, In English

Last week I found a difficult problem. In standard input there are two numbers A and B. I need to output sum A + B. I solve this problem

A, B = map(int, input().split())
ANS = 0
for i in range(A):
    ANS += 1
for i in range(B):
    ANS += 1

But then I found more difficult problem. In this problem A can be < 0. Please help me with this difficult problem. upd: Now I know how to solve this problem, but it works very slow. I have heard about solution O(B). Does anybody know it?

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13 days ago, # |
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if A<0 then add -1 xD