Sobuj

• Username: 2★sobuj_191
• Country:  Bangladesh
• Student/Professional:Student
• Institution:Green University of 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: 22

Current Ratings Graph Old Ratings Graph

1532 (-37)RatingProvisional
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Starters 62 Division 3 (Rated)(2022-10-26 23:00:04)

Global Rank:   2743

Cheated in:   

Ratings System Update

(2022-10-26 23:00:04)

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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1532 (+55)RatingProvisional
Rating i Provisional Rating, click to know more

Starters 62 Division 3 (Rated)(2022-12-20 00:00:00)

Global Rank:   2743

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 (22)

July Challenge 2020 Division 2

Chef and Strings

Infinity 2k21 Division 3 (Rated)

The Squid Game, Red Light, Green Light

CodeChef Starters 23 Division 3 (Rated)

Average of Three, Subarray Mex, Chef and Profits

January Lunchtime 2022 Division 3

Subarray permutations, Chef and Subset Additions, Chef and Lockout Draws

CodeChef Starters 24 Division 3 (Rated)

Avoid Contact, Badminton Serves, Yet Another Constructive Problem, EVM Hacking

February Long 2022 - I, Division 3 (Rated)

Binary Base Basics, Chef and the Hair Salon, N Queens Puzzle Solved !

CodeChef Starters 25 Division 3 (Rated)

Equal MEX, Points and Lines, Fit in Data Type, Chef and His Fruit Stand

CodeChef Starters 26 Division 3 (Rated)

Hostel Room, Count the Notebooks, Careless Chef

CodeChef Starters 28 Division 3 (Rated)

Self Defence Training, Car Choice, Count the Holidays

CodeChef Starters 29 Division 3 (Rated)

String protocol, Bomb the base

Starters 39 Division 3 (Rated)

Compress the Video, Recent contest problems, A or B

May Long Two 2022 Division 3 (Rated)

Score High, Degree of Polynomial

June Cook-Off 2022 Division 4 (Rated)

Rating Improvement, Playlist, Break the Stick, First and Last

Starters 42 Division 4 (Rated)

Minimum number of Flips, Equal Distribution, Age Limit, Divisible by 3, How Many Maximums

Starters 43 Division 4 (Rated)

Burgers, DNA Storage, Distinct Palindrome, Waiting Time

June Lunchtime 2022 Division 4 (Rated)

Too many Floors, Determine the Score, It is My Serve, Zero Ones Equal One Zeros

June Long Two 2022 Division 4 (Rated)

Count the ACs, Make all equal using Pairs, Complementary Strand in a DNA, Fitness

Starters 57 Division 4 (Rated)

Two Different Palindromes, Non-Negative Product, Even Splits, Integers that sum to the same value, Alice and Marks, Maximum Expression

Starters 58 Division 4 (Rated)

Break the elements, Ranklist Pages, Reach the Target, Remove Bad elements

Starters 60 Division 4 (Rated)

Paper Cutting, Card Removal, Palindrome Flipping, Tax in Chefland, Yet Another Palindrome Problem, Expert Setter

Starters 61 Division 3 (Rated)

Minimise LCS, Different Consecutive Characters , Subarray Removal, Odd Sum Pair

Starters 62 Division 3 (Rated)

Sorted Substrings, Final Sum, X Jumps, Test Score

Total Problems Solved: 102