shadek

• Username: 3★shadek
• Country:  Bangladesh
• Student/Professional:Professional
• Organisation:Codemen Solutions, past BUET
• 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: 50

Current Ratings Graph Old Ratings Graph

1791 (-35)RatingProvisional
Rating i Provisional Rating, click to know more

November Challenge 2016(2016-11-14 15:00:00)

Global Rank:   2744

Cheated in:   

Ratings System Update

(2016-11-14 15:00:00)

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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1791 (+184)RatingProvisional
Rating i Provisional Rating, click to know more

November Challenge 2016(2022-12-20 00:00:00)

Global Rank:   2744

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 (50)

July Cook-Off 2014

Copy-Paste, Sum Queries

November Cook-Off 2014

Brackets, Petersen Graph

May Challenge 2014

Compilers and Parsers, Chef-jumping, Stone

June Challenge 2014

Chef and Subarray, Guessing Game, Forgot Password

July Challenge 2014

Count Substrings, Reach The Point

August Challenge 2014

Chef and Reversing, The Leaking Robot, Chef and Gift

October Challenge 2014

Chef and Ground, Magical Girl and Colored Liquid Potions, DevuLand, Dinosaurs and Laddus

November Challenge 2014

Chef and Segment Game, Distinct Characters Subsequence, Chef and Red Black Tree, Let us construct palindrome

December Challenge 2014

Chef and Apple Trees

May Lunchtime 2014

Approximately II

January Challenge 2015

Chef and A Large Permutation, Chef and Stones, Sereja and Votes, One Dimensional Kingdoms, Gcd Queries

February Challenge 2015

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

March Challenge 2015

Count Substrings, Chef and Notebooks, Sign Wave

April Challenge 2015

Chef and Interview, Broken Telephone, Chef and Piano Scales

May Challenge 2015

Chef and new recipe

June Challenge 2015

Chef and Memory Limit, Chef and Polygons

July Challenge 2015

Bread, MasterChef, Na2a and lucky stone, Chef and Cube

August Challenge 2015

Gravity Guy, Cooking Machine, Aditi and Magic Trick

September Challenge 2015

Chain of Doughnuts, Count Steps in Matrix

October Challenge 2015

Time measure, Count Subarrays, Who dares to be a millionaire, Spheres

November Challenge 2015

Eugene and function, Chef and cakes

December Challenge 2015

Chef and the stones, Plane Division, Oracle Devu and Longest Common Subsequence, Chef and Filters

February Cook-Off 2015

Fit Squares in Triangle, Strategy for the World Cup

March Cook-Off 2015

How to Minimize a String

April Cook-Off 2015

Equality, Version Control System

May Cook-Off 2015

Devu and friendship testing, Devu and decorating birthday cake

June Cook-Off 2015

Strange operations

August Cook-Off 2015

Chef and the Wildcard Matching

October Cook-Off 2015

Word Stem, Almost Sorted Permutation

November Cook-Off 2015

Sereja and Line, Sereja and Array and Subtracting

December Cook-Off 2015

Chef and Subarrays

February Lunchtime 2015

Lucky Four

April Lunchtime 2015

Tickets

June Lunchtime 2015

Chef and Submatrix, Chef and Two Strings

January Long Challenge 2016

Rupsa and the Game, Churu and Balls, Chef and Time Machine, Devu and Perfume

February Challenge 2016

Chef and Strange Operations, Devu and a light discussion, Chef-Detective

March Challenge 2016

Palindromic substrings, maximize the sum, Chef And Special Dishes

April Challenge 2016

Help Watson Escape, Chef and Ballons, Chef And Magical Path, Chef And Coloring

May Challenge 2016

Chef and Balls, Forest Gathering, Chef and Big Soccer, Laddu

June Challenge 2016

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

July Challenge 2016

Andrash and Stipendium, Chef and Tetris, Chef and Robots Competition, Chefland and Electricity

August Challenge 2016

Chef and Chocolate

September Challenge 2016

Chef and Friends, Chef and digits of a number, Faded Palindromes, Chef and calculation

November Challenge 2016

Count Permutations

January Cook-Off 2016

Chef and Fruits

March Cook-Off 2016

Digital clock, Alternating subarray prefix

February Lunchtime 2016

Chef and Socks, Chef and Tic-Tac-Toe

August Challenge 2021 Division 2 (Unrated)

Problem Difficulties

Total Problems Solved: 122