Peter Efternamn

@lowgradde

Sweden, Copenhagen

Joined Oct 2024

World Rank: #38216 (0.6 points)

Institution: None of your business

Activity over the last year

Effectiveness

 Problems solved
8
 Solutions submitted
17

Problems

List of solved classical problems:

ACS YODANESS
CENCRY
CISTFILL
FIBOSUM
MIB
PERIOD
PHONELST