1. History of submissions
  2. (plaintext version)

Zhang Kai

@zhk

China

Joined Jun 2008

World Rank: #34139 (0.7 points)

Activity over the last year

Effectiveness

 Problems solved
7
 Solutions submitted
28

Problems

List of solved classical problems:

CRYPTO1
HIGH
IKEYB
ONP
PRIME1
PROPKEY
TEST

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