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• Username: 4★c_k_r
• Country:  Bangladesh
• Student/Professional:Student
• Institution:Jahangirnagar University Dhaka, Bangladesh
• CodeChef Pro Plan: No Active Plan. View Details

Submissions Heat Map

Last 6 Months 2025 (Jul-Dec)2025 (Jan-Jun)2024 (Jul-Dec)2024 (Jan-Jun)

Rating Graph

No. of Contests Participated: 20

Current Ratings Graph Old Ratings Graph

1911 (+15)RatingProvisional
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November Cook-Off 2021 Division 1(2021-11-22 00:00:00)

Global Rank:   47

Cheated in:   

Ratings System Update

(2021-11-22 00:00:00)

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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1911 (-133)RatingProvisional
Rating i Provisional Rating, click to know more

November Cook-Off 2021 Division 1(2022-12-20 00:00:00)

Global Rank:   47

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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Contests (20)

April Cook-off 2018 Division 2

Binary Nim, Cut the Board

April Challenge 2018 Division 2

Weight of Numbers, Highway Crossing, Count Good Prefixes, Average of Pairs, Workers, Cutting Plants

September Lunchtime 2018 Division 2

Judging Delay, Opposite Cites, Chef Restaurant

November Lunchtime 2018 Division 1

Beats and Pieces

LoC April 2018 (Rated for Division 2)

Bob and Pallindromes, Cricket Score

January Challenge 2019 Division 2

Yet Another Problem About Sequences, Different Neighbours, Lucky Number Game, Distinct Pairs, Chef and Modulo Game, Fancy Quotes

January Lunchtime 2019 Division 2

Rooks, The Nights Watch

March Cook-Off 2019 Division 1

XOR N-bonacci Sequence

Coders' Legacy 2019 (Rated for all)

IPL and RCB, Bathwater

April Cook-Off 2019 Division 1

Random Game, Pied Piper vs Hooli

May Cook-Off 2019 Division 1

Misha and Nice Sets

December Challenge 2020 Division 2

Hail XOR, String Operations, Positive Prefixes, Even Pair Sum, Vaccine Production, Vaccine Distribution

March Cook-Off 2021 Division 2

Matrix XOR, Guess the Number, Chef and Sorting, Consecutive Deletions

March Lunchtime 2021 Division 1

Uniform, Lunchtime

July Cook-Off 2021 Division 1

Beautiful Subsequence, Mod Equality

August Cook-Off 2021 Division 1

Odd Array, Different String, Interactive Equivalency, Clear the Array

August Lunchtime 2021 Division 1

Just a Graph

November Cook-Off 2021 Division 1

Product Pain

Total Problems Solved: 48