Abu Saleh

• Username: 4★junior_7127
• Country:  Bangladesh
• Student/Professional:Student
• Institution:Daffodil International 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: 31

Current Ratings Graph Old Ratings Graph

1801 (+19)RatingProvisional
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August Lunchtime 2022 Division 2 (Rated)(2022-08-22 23:00:02)

Global Rank:   527

Cheated in:   

Ratings System Update

(2022-08-22 23:00:02)

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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1801 (-114)RatingProvisional
Rating i Provisional Rating, click to know more

August Lunchtime 2022 Division 2 (Rated)(2022-12-20 00:00:00)

Global Rank:   527

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 (31)

April Lunchtime 2020 Division 2

Chef in Fantasy League

May Lunchtime 2020 Division 2

Lost Weekends

July Challenge 2020 Division 2

Chef and Strings, Chef and Card Game

July Lunchtime 2020 Division 2

Chef and Steps

October Challenge 2020 Division 2

Positive AND, Replace for X, Covid Run, Chef and Easy Queries

December Challenge 2020 Division 2

Vaccine Distribution, Vaccine Production, Even Pair Sum, Positive Prefixes

December Cook-Off 2020 Division 2

Self-Destructing Strings, Catch the Thief, Minimum Attendance Requirement

January Lunchtime 2021 Division 2 (Unrated)

Even Differences, Even Sum

October Cook-Off 2020 Division 2

Split the Str Ing, Decreasing Srrnmieeda

November Cook-Off 2020 Division 2

Chef and IPC Certificates

October Lunchtime 2020 Division 2

Chef Likes Good Sequences, AND Plus OR

November Lunchtime 2020 Division 2

Gasoline Introduction

September Cook-Off 2020 Division 2

Bowling Strategy

September Lunchtime 2020 Division 2

GCD operations, Watermelon

February Challenge 2021 Division 2

Maximise Function

CodeChef Div 3 Rated Contest 2021 Division 3

Body Mass Index, Total Score, Chef and Patients, Rectangle

May Challenge 2021 Division 2 (Rated)

Xor Equality

June Challenge 2021 Division 3 (Rated)

Bitwise Tuples, Bella ciao, Summer Heat

July Challenge 2021 Division 3 (Rated)

Maximum Production, Relativity

SnackDown 2021 - Online Qualifiers

Maximum Number Of Distinct Elements, Lucky Number

October Challenge 2021 Division 3 (Rated)

Longest AND Subarray, Digit Removal, MEX-OR, Three Boxes, Which Mixture

October Lunchtime 2021 Division 2

Chef and Water Car, Exactly N plus 1 Values

SnackDown 2021 - Online Round 1A

Round Robin Ranks , Dance Moves, Min Max LCM

November Challenge 2021 Division 2 (Unrated)

Weird Palindrome Making, Maximise the bridges, Equal Coins, Hill Sequence

CodeChef Starters 17 Division 2 (Rated)

Binary Inversion, GCD of Prefixes, New Piece

January Lunchtime 2022 Division 2

Subarray permutations, Prefix Zeros

CodeChef Starters 24 Division 2 (Rated)

Anti Palindrome, Yet Another Constructive Problem, Avoid Contact, Divisors and Reciprocals

CodeChef Starters 25 Division 2 (Rated)

Building Towers, Equal MEX, K Distinct Array, Points and Lines

CodeChef Starters 27 Division 2 (Rated)

The product mystery, Non Coprime Neighbours, Distinct Binary Strings, String Reverse

CodeChef Starters 32 Division 2 (Rated)

Maximize the Minimum, Finding Shoes, Training Plans, Flip Sorting

Starters 42 Division 2 (Rated)

Minimum or Maximum, Divisible by 3

August Lunchtime 2022 Division 2 (Rated)

Easy Permutation, Array Equality

Total Problems Solved: 121