Problem 299. vectorization in N

For a given integer n (n>1), compute the sum f (i) (1 <= i <= n) where f (i) = 1 if n is odd and 2 otherwise.

Solve

Last Solution submitted on Aug 12, 2025

@bmtran (Bryant Tran) on 9 Feb 2012

could you give an example? it's kind of hard to figure out what you're asking for.

Julio on 9 Feb 2012

sorry, f(i) = 2 if i = even

Rafael S.T. Vieira on 9 Aug 2020

The problem is asking for the sum of a function from 1 to n, where every odd input outputs 1, and even input outputs 2.

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