blackpearl

• Username: 2★blackpearl_06
• Country:  India
• Student/Professional:Student
• Institution:Indian Institute of Information Technology, Allahabad Uttar Pradesh
• CodeChef Pro Plan: No Active Plan. View Details

Submissions Heat Map

Last 6 Months 2026 (Jan-Jun)2025 (Jul-Dec)2025 (Jan-Jun)

Rating Graph

No. of Contests Participated: 13

Current Ratings Graph Old Ratings Graph

1577 (+17)RatingProvisional
Rating i Provisional Rating, click to know more

CodeChef Starters 31 Division 3 (Rated)(2022-03-23 23:00:04)

Global Rank:   668

Cheated in:   

Ratings System Update

(2022-03-23 23:00:04)

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?

1577 (-95)RatingProvisional
Rating i Provisional Rating, click to know more

CodeChef Starters 31 Division 3 (Rated)(2022-12-20 00:00:00)

Global Rank:   668

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 (13)

April Challenge 2020 Division 2

COVID Pandemic and Long Queue, Sell All the Cars

June Lunchtime 2020 Division 2

Chef and Demonetisation, Increasing Decreasing, Maximum AND

October Challenge 2020 Division 2

Positive AND, Covid Run, Chef and Easy Queries

November Challenge 2020 Division 2

Restore Sequence, Ada and Dishes

January Challenge 2021 Division 2

Fair Elections

December Challenge 2020 Division 2

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

April Challenge 2021 Division 3

Strong Language, World Record, Valid Pair, Worthy Matrix, Chef and Dice

CodeChef Starters 27 Division 2 (Rated)

String Reverse, Distinct Binary Strings, The product mystery

CodeChef Starters 28 Division 2 (Rated)

Permutation Xority, Count the Holidays

CodeChef Starters 30 Division 3 (Rated)

Swapping Chefs Way, Balanced Reversals, Chef and Water Bottles, Gift Shop and Coupon

March Cook-Off 2022 Division 2

Janmansh at Fruit Market, Equal Mex Splitting

CodeChef Starters 31 Division 3 (Rated)

XOR and AND, Alternating String, Sign Moves, The Unchanging OR, Group Assignment

Total Problems Solved: 62