Siwakorn (Ping) is currently a third-year PhD student. He competed in ACM-ICPC World Finals 2016 by being in the first place at Chicago regional contest as part of the UIUC team. Zexuan is currently a first-year MS student. He also competed in ACM-ICPC and won Gold Medals at Changchun and Chicago regional contests.
Scoreboard at the end of the contest
Ping and Zexuan working together
Well done, Siwakorn (Ping) and Zexuan!