labib

• Username: 2★rayhanhasan28
• Country:  Bangladesh
• Student/Professional:Student
• Institution:Comilla University, 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: 17

Current Ratings Graph Old Ratings Graph

1502 (-3)RatingProvisional
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Starters 123 Division 3 (Rated)(2024-02-28 22:30:04)

Global Rank:   2894

Cheated in:   

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(2024-02-28 22:30:04)

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1541 (-10)RatingProvisional
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October Long 2022 Division 3 (Rated)(2022-12-20 00:00:00)

Global Rank:   231

Cheated in:   

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(2022-12-20 00:00:00)

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Learning Paths (0)

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Contests (17)

February Challenge 2020 Division 2

Hard Cash, School of Geometry

May Challenge 2020 Division 2

Coronavirus Spread

January Cook-Off 2020 Division 2

Chef Chick

October Challenge 2020 Division 2

Positive AND, Covid Run, Chef and Easy Queries

Starters 36 Division 3 (Rated)

Buying Sweets, Presents for Cheffina, Chef and Bird farm

June Lunchtime 2022 Division 3 (Rated)

Zero Ones Equal One Zeros, Too many Floors

July Long One 2022 Division 3 (Rated)

Pass the Exam, Chef and Candies

July Lunchtime 2022 Division 3 (Rated)

The Last Levels, Easy Pronunciation, Yet Another Palindrome Making Problem, Maximum Median Matching

Starters 48 Division 3 (Rated)

Buy Lamps, Fill The Grid, Make Palindrome 2, Positive array

Starters 49 Division 3 (Rated)

Valid Minimum, Split The String, Monks, N Buttons 1 Bulb, High Frequency

September Lunchtime 2022 Division 3 (Rated) (Based on EJOI)

Flip the cards, Equalize AB, Stick Break

Starters 59 Division 3 (Rated)

Chef and Happy String , Suspense String, Confusing Concatenations

October Long 2022 Division 3 (Rated)

Single Operation Part 1, Single Operation Part 2, Building Race, Binary Substituition

Starters 103 Division 3 (Rated)

Sunday Brunch, Dice Number

Starters 104 Division 3 (Rated)

Santa and Chocolates, Pizza Cutting, GCD and LCM

Starters 123 Division 3 (Rated)

Room Allocation, Maximise Adjacent Sum, Minimum And Maximum I, Minimum And Maximum II

Total Problems Solved: 64