Nicolae Serban

• Username: 2★restless
• Country:  Romania
• Student/Professional:Professional
• Organisation:-
• CodeChef Pro Plan: No Active Plan. View Details

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Last 6 Months 2026 (Jan-Jun)2025 (Jul-Dec)2025 (Jan-Jun)

Rating Graph

No. of Contests Participated: 13

Current Ratings Graph Old Ratings Graph

1524 (-11)RatingProvisional
Rating i Provisional Rating, click to know more

May Challenge 2020 Division 2(2020-05-11 15:00:02)

Global Rank:   6948

Cheated in:   

Ratings System Update

(2020-05-11 15:00:02)

This is the difference due to changing the rating system.This graph is not updated after 20th Dec 2022. Know more

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1524 (-19)RatingProvisional
Rating i Provisional Rating, click to know more

May Challenge 2020 Division 2(2022-12-20 00:00:00)

Global Rank:   6948

Cheated in:   

Ratings System Update

(2022-12-20 00:00:00)

This is the difference due to changing the rating system.This graph is not updated after 20th Dec 2022. Know more

How the rating system works?

Learning Paths (0)

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Practice Paths (0)

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Contests (13)

March Challenge 2016

Palindromic substrings

April Challenge 2016

Chef and Ballons, Chef And Magical Path, Chef And Coloring

May Challenge 2016

Chef and Balls, Laddu

June Challenge 2016

Devu and an Array

August Challenge 2016

Chef and Chocolate

September Challenge 2016

Faded Palindromes, Chef and calculation, Chef and digits of a number

March Cook-Off 2016

Digital clock, Alternating subarray prefix

April Cook-Off 2016

Movie Weekend

March Lunchtime 2016

Simple Statistics

January Challenge 2017

Cats and Dogs

December Cook-Off 2019 Division 2

Change It

May Challenge 2020 Division 2

Coronavirus Spread, Isolation Centers

Total Problems Solved: 21