Syed

• Username: 6★rubabredwan
• Country:  Bangladesh
• Student/Professional:Student
• Institution:Rajshahi University School Rajshahi, 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: 44

Current Ratings Graph Old Ratings Graph

2437 (+33)RatingProvisional
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June Lunchtime 2017(2017-06-24 22:30:00)

Global Rank:   16

Cheated in:   

Ratings System Update

(2017-06-24 22:30:00)

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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2437 (+72)RatingProvisional
Rating i Provisional Rating, click to know more

June Lunchtime 2017(2022-12-20 00:00:00)

Global Rank:   16

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 (44)

November Challenge 2014

Chef and Segment Game, Distinct Characters Subsequence

October Lunchtime 2014

Tanu and Head-bob

January Challenge 2015

Chef and Stones

January Lunchtime 2015

Piece of cake

February Challenge 2015

Chef and Chain, Let us play with rank list, Chef and Equality

March Challenge 2015

Chef and Notebooks

May Challenge 2015

Chef and new recipe

June Challenge 2015

Chef and Memory Limit

July Challenge 2015

Bread, Chef and Cube

October Challenge 2015

Time measure, Count Subarrays, Who dares to be a millionaire, Rupsa and Equilateral Triangle

December Challenge 2015

Chef and the stones

December Cook-Off 2015

Chef and Subarrays

May Lunchtime 2015

Devu and Grapes

June Lunchtime 2015

Chef and Two Strings

July Lunchtime 2015

Greedy puppy, Puppy and game

August Lunchtime 2015

Churu and lost string, Minimum Maximum

September Lunchtime 2015

Sum of palindromic numbers

October Lunchtime 2015

emitL

November Lunchtime 2015

Query over Matrix, Black And White Cells

December Lunchtime 2015

Distinct Codes

March Challenge 2016

Palindromic substrings, maximize the sum

June Challenge 2016

Chef And The Hiring Event, Chef and Rectangle Array, Chef and Array and K, Chef And Binary Operation, Chef and Coins Game, Chef and cities, Devu and an Array

December Challenge 2016

Train Partner, Kth Max Subarray, Chef and Finding Direction, Kirito in labyrinth, Roses for Alexey, Our Base is Under Attack, Bear and Three Colours

October Cook-Off 2016

Sherlock and the Ugly Flower, Watson asks Does Permutation Exist, ChefWatson uses Social Network

January Lunchtime 2016

Triangle Classification

February Lunchtime 2016

Chef and Socks, Chef and Tic-Tac-Toe

March Lunchtime 2016

Two Closest, Simple Statistics

April Lunchtime 2016

Maximum K Sums, Coins And Triangle

May Lunchtime 2016

Akhil Recovers The Lost Array, Akhil And Colored Balls, Akhil And Random String

June Lunchtime 2016

Collisions, One more weird game

July Lunchtime 2016

Drumpf for President!, Lumpy - The Bus Driver

August Lunchtime 2016

Studying Alphabet

September Lunchtime 2016

Chef and Inequality

December Lunchtime 2016

Superheroes and villains, Fly height mode

February Challenge 2017

Chef and Yoda, Primitive Queries, Interval Game, Sereja and Inversions, Chef and Triangles, Chef and His Apartment Dues, Most Frequent Element, Gerrymander, Alice and her garden

January Cook-Off 2017

Digit Longest Increasing Subsequences 2

February Cook-Off 2017

Download file, Chairs, Cooking Game

April Challenge 2017

Chef and Digits, (CH) Serejs and Billiards, Bear and Random Grid, Chef and Divisor Tree, Stable market, Dish Of Life, Bear and Row 01, Bear and Clique Distances, Similar Dishes

March Cook-Off 2017

Rainbow Graph, Safe Robot

May Cook-Off 2017

La Liga, Balanced Array, Nasty Queries

June Cook-Off 2017

Ada and crayons, Knight Covering, SnackUp, Centeroid

March Lunchtime 2017

Bear and Ladder, Bear and Species

April Lunchtime 2017

Bear and Digit Virus, Bear and Segments, Bear and Segment 01

May Lunchtime 2017

Prefix Inversions

June Lunchtime 2017

Maximum Unique Segment, Two Numbers, Company and Club Hierarchies

International Coding League (Rated)

Cards Game, Worst Case Analysis, Infinite Graph

Total Problems Solved: 139