For an example my Codeforces account is vu.tunganh96, but I often practice on other accounts as well.
I competed in Google's HashCode 2018 and placed 725th out of 4856 teams.
I finished at the 8th place (silver medal) at CTU Open 2017.
I attended CERC 2017 with poor results. Hopefully I will improve by next year :).
I finished in the 4th place in the unofficial round of CTU Open 2018.
I competed in Google's HashCode 2018 and placed 303th out of 6671 teams.