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Nikolai

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Company/University

SPbSPU

Personal Profile

PhD student in Fiber Optics

Professional Interests

Fiber optics, signal processing, raman spectroscopy

99Rank
7Badges
2570Score

Solver +10

Earned on 28 Jan 2012 for solving Problem 1. Times 2 - START HERE.

Promoter +10

Earned on 1 Feb 2012 for liking Problem 194. Clockwise or Counterclockwise.

Commenter +10

Earned on 1 Feb 2012 for commenting on Solution 23424.

Creator +20

Earned on 1 Feb 2012 for creating Problem 220. Signal filtering.

Speed Demon +50

Earned 1 hour and 28 minutes ago for first solving Problem 220. Signal filtering.

Leader +20

Earned on 5 Feb 2012 for submitting the best solution Solution 29528.

CUP Challenge Master +50

 

Solve all the problems in CUP Challenge problem group.

Quiz Master +20

 

Must have 50 solvers for a problem you created.

Tiles Challenge Master +50

 

Solve all the problems in Tiles Challenge problem group.

Cody Challenge Master +50

 

Solve all the problems in Cody Challenge problem group.

ASEE Challenge Master +50

 

Solve all the problems in ASEE Challenge problem group.

Puzzler +50

 

Create 10 problems.

Scholar +50

 

Solve 500 problems.

Renowned +20

Earned on 27 Aug 2014 for Solution 29528 for having 10 or more likes.

Famous +20

 

Must receive 25 total likes for the problems you created.

Celebrity +20

 

Must receive 50 total likes for the solutions you submitted.

Likeable +20

 

Must receive 10 likes for a problem you created.