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

34.0% Correct | 66.0% Incorrect
Last solution submitted on Aug 21, 2019

Problem Comments

Solution Comments