1. History of submissions
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chen xunyun

@zhezhi

China, shanghai

Joined Sep 2025

World Rank: #66772 (0.2 points)

Institution: Birla Institute of Technology, Mesra

Activity over the last year

Effectiveness

 Problems solved
3
 Solutions submitted
6

Problems

List of solved classical problems:

BALNUM
MDIGITS
PHONELST

TODO list of classical problems:

PR003004

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