Afrina Riya

• Username: 1★afrina1
• Country:  Bangladesh
• Student/Professional:Student
• Institution:American International 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: 34

Current Ratings Graph Old Ratings Graph

1379 (-28)RatingProvisional
Rating i Provisional Rating, click to know more

Starters 89 Division 3 (Rated)(2023-05-10 22:00:04)

Global Rank:   2762

Cheated in:   

Ratings System Update

(2023-05-10 22:00:04)

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?

1413 (-4)RatingProvisional
Rating i Provisional Rating, click to know more

Starters 67 Division 4 (Rated)(2022-12-20 00:00:00)

Global Rank:   2780

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)

None

Practice Paths (0)

None

Contests (34)

November Lunchtime 2019 Division 2

Planting Trees

December Challenge 2019 Division 2

Plus Multiply, That Is My Score!

December Cook-Off 2019 Division 2

Change It

December Lunchtime 2019 Division 2

Check Algorithm

January Challenge 2020 Division 2

Breaking Bricks

October Challenge 2020 Division 2

Covid Run

December Challenge 2020 Division 2

Even Pair Sum, Vaccine Distribution

January Challenge 2021 Division 3

Chef and Division 3, Encoded String

May Challenge 2021 Division 3 (Rated)

Solubility

September Challenge 2021 Division 3 (Rated)

Shuffling Parities, Travel Pass, Airline Restrictions

October Challenge 2021 Division 3 (Rated)

Three Boxes, Which Mixture

November Challenge 2021 Division 3 (Rated)

Which Fuel is Cheaper

November Cook-Off 2021 Division 3

Disabled King, Odds and Evens, Missing Sums

January Lunchtime 2022 Division 3

Chef and Lockout Draws

CodeChef Starters 24 Division 3 (Rated)

Avoid Contact, Badminton Serves, EVM Hacking, Anti Palindrome

February Long 2022 - I, Division 3 (Rated)

Binary Base Basics, N Queens Puzzle Solved !, Chef and the Hair Salon

CodeChef Starters 25 Division 3 (Rated)

Chef and His Fruit Stand, Fit in Data Type, Points and Lines, Equal MEX

May Lunchtime 2022 Division 3 (Rated)

Bucket and Water Flow , Maximum Pairwise Modular Sum, Problems in your to-do list

Starters 39 Division 3 (Rated)

Compress the Video, Closest Vowels, Recent contest problems, A or B

July Lunchtime 2022 Division 3 (Rated)

The Last Levels, Yet Another Palindrome Making Problem, Easy Pronunciation

July Long Two 2022 Division 3 (Rated)

Chef in his Office, Hungry Chef

Starters 50 Division 3 (Rated)

Permutation GCD, Nearest Court, Average Permutation

Starters 55 Division 3 (Rated)

Balls and Boxes, Permutation Clear, Broken Phone

September Long 2022 Division 3 (Rated)

Good Pairs, Bob at the Bank, Speed Limit Test

Starters 56 Division 4 (Rated)

Nearest Exit, Chefland Games, Far Away

September Lunchtime 2022 Division 4 (Rated) (Based on EJOI)

Sleep deprivation, Flip the cards

Starters 57 Division 3 (Rated)

Non-Negative Product, Two Different Palindromes

Starters 60 Division 4 (Rated)

Expert Setter, Card Removal, Palindrome Flipping, Paper Cutting, Tax in Chefland

Starters 67 Division 4 (Rated)

Expensive Steps , Minimum Number of Ones, Counting Problem, Tour of King

Starters 75 Division 3 (Rated)

Two Ranges

February Cook-Off 2023 Division 4 (Rated)

Battery Health, Take Not Less, Bi_lindrome!, Permutation and Modulus, Netflix

Starters 77 Division 3 (Rated)

Tekken

Starters 89 Division 3 (Rated)

Monopoly, Plus 2 or Minus 1, DDMM or MMDD

Total Problems Solved: 96