関連ワード:  how to remove from a vector in cpp    how to delete from a vector in cpp    how to remove elements from a vector in cpp    how to remove duplicates from a vector in cpp    how to remove something from a vector cpp    how to remove from a vector in c++    how to remove an item from a vector in cpp    how to remove last element from a vector in cpp    how to remove a specific element from a vector in cpp    how to clear a vector in cpp