Mainul Hasan (Sourav) Chowdhury

• Username: 6★shourov_sust
• Country:  Bangladesh
• Student/Professional:Student
• Institution:Shahjalal University of Science & Technology Sylhet, Bangladesh
• CodeChef Pro Plan: No Active Plan. View Details

Submissions Heat Map

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

Rating Graph

No. of Contests Participated: 29

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June Cook-Off 2020 Division 1(2020-06-22 00:00:00)

Global Rank:   65

Cheated in:   

Ratings System Update

(2020-06-22 00:00:00)

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2218 (+12)RatingProvisional
Rating i Provisional Rating, click to know more

June Cook-Off 2020 Division 1(2022-12-20 00:00:00)

Global Rank:   65

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 (29)

February Cook-Off 2017

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August Long Challenge 2017

Chef and Rainbow Array, Chef and Mover, Palindromic Game, Greedy Candidates

November Challenge 2017

Chef Hates Palindromes, Chef goes Left Right Left, Periodic Palindrome Construction, Villages and Tribes

August Cook-Off 2017

Real obtuse, From heaven to earth

October Lunchtime 2017

Buggy Calculator, Maximum Number

December Lunchtime 2017

Days in Month, Strange Function, Too Much Sweetness

January Challenge 2018

Partition the numbers, String Merging, Maximum Score, K-Concatenation, Rectangle

January Cook-Off 2018

Multiple of 3, Make array great again, Survive in ChocoLand

January Lunchtime 2018

Chef and Game with Sequence, Chef and Escaping from the Labyrinth

April Cook-off 2018 Division 1

Run Direction, Binary Nim

July Cook-Off 2018 Division 1

Chef and GCD Game , OR Matrix

September Mega Cook-Off 2018 Division 1

Make a Permutation

October Mega Cook-Off 2018 Division 1

Binary Nim 2, Pumping Water

December Cook-Off 2018 Division 1

Yalalovichik Numbers, Yalalovichik Strings

May Lunchtime 2018 Division 1

Count Substrings, Shifted Palindrome, Maximum Plus

December Challenge 2018 Division 1

(Challenge) Delete DAG, Chef and Interactive XOR, Max and Electrical Panel, Directing Edges

September Lunchtime 2018 Division 1

Opposite Cites, Chef Restaurant

November Lunchtime 2018 Division 1

Useful Number, Beats and Pieces

Replay of Indian IOITC 2018 #2 (Rated)

Coin Denominations

January Cook-Off 2019 Division 1

Ada School

February Challenge 2019 Division 1

Manhattan Rectangle, Guess It Right, Chef and Secret Ingredients, Yet Another Tree Problem, Art of Balance, Maximize the Tax

March Cook-Off 2019 Division 1

XOR N-bonacci Sequence, Markers and Caps, Music Shopping

March Lunchtime 2019 Division 1

Travelling Saleschef, Corrupted Seven-Segment Display

May Cook-Off 2019 Division 1

Misha and Nice Sets, Bitsetbaba and Power Grid, Expected Xor

June Challenge 2019 Division 1

Sum and GCD, (Challenge) SnackDown 99, Intersecting Paths, Chef and His Dish, Chef and Ingredients, Count Arrays, Lent Money

July Cook-Off 2019 Division 1

Birthday Gift Again, Expected Product

August Lunchtime 2019 Division 1

Destroy Cells, Chef Does Coke Yet Again

June Cook-Off 2020 Division 1

Per Capita Income, Checkpoints, Banned Quotient

Total Problems Solved: 114