The last LGM ORZer in the world

I worship

andy_zhu23, wlxsq, HenryYi, bruce, Mkswll, Evang, NK, 876pol, skittles1412, vsarca, suoe, arya_nazari_, littlecat, BalintR, Yell0, dxke02, Chaeryeong, JojoTheWarrior, Sucram314, Pendy, Bolaloon, XyaO, 2_qiym, mwilliam1234 Orz

🐄🐄🐄🐄🐄🐄🐄🐄🐄🐄🐄🐄🐄🐄🐄🐄🐄🐄🐄🐄🐄🐄🐄

My children

CCO '26 P3 - Beyond Counting (30p)

HHPC1 P5 - Yunity Grouping Objects (17p)

HHPC1 P2 - Yuniformity Challenge (10p)

HHPC1 P6 - Yarn Street's Strategic Shopping (20p)

SGS Programming Challenge P4 - Toy in Psychology Class (17p)

HHPC1 P3 - Yonder Ridge (12p)

HHPC1 P1 - Yielding the Longest Substring (5)

HHPC1 P4 - Yet Another A+B Problem (10p)

Milestones

• February 2020: First time in CCC Junior, 71/75 (Didn't know about trial division😭).

• December 2020: Made USACO Silver

• February 2022: Made USACO Gold

• October 2022: Set a problem for Andy's contest

• September 2023: Started suffering from IBDP (no longer have time to practice😭)

• January 2024: Made USACO Platinum

• Fabuary 2024: Spent almost a half year on setting this contest but eventually published

• February 2024: Okay so 64/75 in CCC senior, got invited to CCO.

• May 2024: CCO Silver yeahhh

• February 2025: 62/75 CCC senior, failed on S5

• May 2025: CCO Silver again, so lucky

• May 30, 2025: High school CP journey officially ended

• January 2026: Joined the CCC committee

• May 2026: Authored CCO P3. The hardest problem this year :)