1. History of submissions
  2. (plaintext version)

Xu Xin

@ke9_qux

China, Jiangsu,Nanjing

Joined Jul 2024

World Rank: #21399 (1.4 points)

Institution: XWFLS

Activity over the last year

Effectiveness

 Problems solved
5
 Solutions submitted
13

Problems

List of solved classical problems:

AROPE3
GIVEAWAY
MAIN74
RACETIME
USUBQSUB

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