Hridoy Chowdhury

• Username: 3★hridoy_3519
• Country:  Bangladesh
• Student/Professional:Student
• Institution:Leading University, Sylhet Bangladesh
• CodeChef Pro Plan: No Active Plan. View Details

Submissions Heat Map

Last 6 Months 2025 (Jan-Jun)2024 (Jul-Dec)2024 (Jan-Jun)

Rating Graph

No. of Contests Participated: 19

Current Ratings Graph Old Ratings Graph

1749 (-10)RatingProvisional
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Starters 102 Division 2 (Rated)(2023-09-27 22:00:02)

Global Rank:   739

Cheated in:   

Ratings System Update

(2023-09-27 22:00:02)

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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1699 (-25)RatingProvisional
Rating i Provisional Rating, click to know more

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

Global Rank:   1727

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 (19)

April Challenge 2020 Division 2

Sell All the Cars, Unit GCD, COVID Pandemic and Long Queue

May Challenge 2020 Division 2

Coronavirus Spread

April Lunchtime 2020 Division 2

Another Birthday Present!, Chef in Fantasy League

June Challenge 2020 Division 2

Even Matrix, The Tom and Jerry Game!, Chef and Icecream, Chef and String, Chef and Price Control

July Challenge 2020 Division 2

Chef and Card Game, Chef and Strings, Doctor Chef, Missing a Point, Chefina and Swaps, Ada King

August Challenge 2020 Division 2

Chef Wars - Return of the Jedi, Another Card Game Problem, Chef and Linear Chess, Smallest KMP, Chef and Wedding Arrangements

July Lunchtime 2020 Division 2

Chef and Steps, Maximum Candies

June Lunchtime 2020 Division 2

Chef and Demonetisation, Increasing Decreasing

October Challenge 2020 Division 1

Positive AND, Replace for X

January Challenge 2021 Division 2

Watching CPL, Fair Elections

December Challenge 2020 Division 2

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

December Lunchtime 2020 Division 2 (Unrated)

Three Letters, Sed Sequences, One Zero Swaps

Starters 36 Division 2 (Rated)

Presents for Cheffina

June Cook-Off 2022 Division 2 (Rated)

Simple XOR, Break the Stick, Split AND Sum

Starters 42 Division 2 (Rated)

Maximise Set Bits , Divisible by 3, Minimum or Maximum

Starters 44 Division 2 (Rated)

Dense Bracket Sequence

June Lunchtime 2022 Division 2 (Rated)

Zero Ones Equal One Zeros, The Lost Array, Max Shift After XOR, Equal by XORing

August Lunchtime 2022 Division 2 (Rated)

Easy Permutation, Array Equality

Starters 100 Division 2 (Rated)

Prime Permutation, Stamps 100, Concussive Sequence

Starters 102 Division 2 (Rated)

Bit Play

Total Problems Solved: 113