Ryan Sojib

• Username: 2★factor
• Country:  Bangladesh
• Student/Professional:Student
• Institution:Leading University, 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: 13

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1539 (+37)RatingProvisional
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September Challenge 2018 Division 2(2018-09-17 15:00:02)

Global Rank:   2321

Cheated in:   

Ratings System Update

(2018-09-17 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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1539 (+42)RatingProvisional
Rating i Provisional Rating, click to know more

September Challenge 2018 Division 2(2022-12-20 00:00:00)

Global Rank:   2321

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)

June Challenge 2016

Devu and an Array

January Challenge 2017

Capital Movement, Cats and Dogs, Reservior

February Challenge 2017

Chef and His Apartment Dues

January Lunchtime 2017

Nothing in Common

April Challenge 2017

Dish Of Life, Bear and Row 01, Similar Dishes

May Challenge 2017

Courses in an university, Median of adjacent maximum numbers, Chef and his daily routine

September Challenge 2017

Chef and Pick Digit, Minimum Good Permutation, Little Chef and Sums

October Challenge 2017

Chef and a great voluntary Program, Max Mex, Counter Test For CHEFSUM, A Balanced Contest

November Challenge 2017

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

December Challenge 2017

Chef And his Cake, Penalty Shoot-out

February Challenge 2018

Chef And His Characters, Chef And The Patents, Car-pal Tunnel, Permutation and Palindrome

March Challenge 2018 DIV 2

Chef and Easy Problem, Minion Chef and Bananas, Minions and Voting, Chef and Glove, Mix the Colors, A Big Sale

September Challenge 2018 Division 2

Magician versus Chef, War of XORs, Chef and Adventures

Total Problems Solved: 46