Cody

Problem 2456. remove single elements

Given a vector of integers, remove the elements that have appeared only once. The output elements should be in exact order as the input except the single elements being removed.

Example:

Input: vec = [2 2 1 2 3 4 1 2];
Output: [2 2 1 2 1 2];

Loops are not allowed.

Solution Stats

31.03% Correct | 68.97% Incorrect
Last Solution submitted on Dec 31, 2019

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