From White Oaks S.S., Olympiads School, WCIPEG Migration, Carnegie Mellon University
About
Name: Alex Tianyi Xu
Education: Carnegie Mellon University
Respect
My teacher () is amazing!
Friends on DMOJ
, , , , , , , , , , , , , , , , , , , ADMathNoob, , , , , , .
Major Achievements in Contests
- Qualified for CCO 2020
- Qualified for CCO 2019
- Competed in USACO Platinum division
- ECOO 2019 Boardwide Champion
- ECOO 2018 Finalist
- Group 3 on CCC 2018 Senior Honour Roll
- Group 2 on CCC 2017 Junior Honour Roll
ECOO Team
2018: , ,
2019: , ,
2020 (online): just me
Important checkpoints
3:00 pm, 300 problems solved and 60th place: Mar. 24th, 2018
500 points: Apr. 1st, 2018 (not an April Fools joke)
Top 50: Apr. 20th, 2018
DMOJ Master and top 100 by rating: Sep. 10th, 2018 (Thanks to BTS18 problem setters -- , , , -- for good problems)
Made my first problem: Oct. 20th, 2018
400 problems solved: Nov. 17th, 2018
Top 30 and 650 points: Jan. 31st, 2019
2000 Rating: Feb. 18th, 2019 (although it won't last)
500 problems solved: Feb. 27th, 2019
666 points: Apr. 13th, 2019
Back at 666 points after some problems' point values got nerfed: Jul. 19th, 2019
Wrote 5 problems: Dec. 19th, 2019