1. History of submissions
  2. (plaintext version)

Ben Chen

@penguinhacker

United States, Chicago

Joined Oct 2019

World Rank: #55536 (0.3 points)

Institution: N/A

Activity over the last year

Effectiveness

 Problems solved
12
 Solutions submitted
22

Problems

List of solved classical problems:

CPCRC1C MKTHNUM
DQUERY NHAY
DYNACON1 POLYMUL
HIST2 PON
HORRIBLE TEST
INVCNT
METEORS

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