Shikhor Roy

• Username: 3★shikhorroy
• Country:  Bangladesh
• Student/Professional:Student
• Institution:Hajee Mohammad Danesh Science and Technology University
• 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: 17

Current Ratings Graph Old Ratings Graph

1622 (-18)RatingProvisional
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Starters 48 Division 3 (Rated)(2022-07-20 23:00:04)

Global Rank:   1193

Cheated in:   

Ratings System Update

(2022-07-20 23:00:04)

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1622 (+70)RatingProvisional
Rating i Provisional Rating, click to know more

Starters 48 Division 3 (Rated)(2022-12-20 00:00:00)

Global Rank:   1193

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 (17)

December Challenge 2013

Magic Pairs

December Cook-Off 2014

Good Joke!

December Challenge 2014

Chef and Apple Trees

January Challenge 2015

Chef and Stones, Gcd Queries

August Challenge 2015

Way Out, 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, Rupsa and Equilateral Triangle

August Cook-Off 2015

Chef and the XORed Number , Chef and the Wildcard Matching

September Mega Cook-Off 2015

Forgotten Language, Stacks

November Cook-Off 2015

Sereja and Line, Sereja and Array and Subtracting

September Lunchtime 2015

Sum of palindromic numbers

April Challenge 2016

Chef and Ballons, Chef And Magical Path, Chef And Coloring

June Challenge 2017

A Good Set, Chef and the Feast

June Challenge 2018 Division 2

Binary Shuffle, Naive Chef

Starters 48 Division 3 (Rated)

Buy Lamps, Fill The Grid, Make Palindrome 2

Total Problems Solved: 52