unknown_world

• Username: 2★unknown_world
• Country:  India
• Student/Professional:Student
• CodeChef Pro Plan: No Active Plan. View Details

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

Rating Graph

No. of Contests Participated: 15

Current Ratings Graph Old Ratings Graph

1570 (-10)RatingProvisional
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Starters 84 Division 3 (Rated)(2023-04-05 22:00:04)

Global Rank:   1784

Cheated in:   

Ratings System Update

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

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1580 (-29)RatingProvisional
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Starters 59 Division 3 (Rated)(2022-12-20 00:00:00)

Global Rank:   610

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

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Learning Paths (0)

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Contests (15)

March Challenge 2021 Division 3

No Time to Wait, Chef and Groups

April Challenge 2021 Division 3

Valid Pair, World Record, Strong Language

April CodeChef Starters 2021 Division 3 (Rated)

Maximum Size, Thief and Police, Chef On Island, Hiring Test

May CodeChef Starters 2021 Division 2 (Unrated)

Plagiarism, Lazy Chef, Correct Sentence

May Challenge 2021 Division 2 (Rated)

Xor Equality, Tic Tac Toe

June Challenge 2021 Division 2 (Unrated)

Shortest Route, Bitwise Tuples, Bella ciao

July Challenge 2021 Division 2 (Unrated)

XxOoRr

August Challenge 2021 Division 2 (Unrated)

Problem Difficulties, Chef and Bulb Invention

CodeChef Starters 10 Division 2 (Rated)

Maximise the Subsequence Sum

September Challenge 2021 Division 3 (Rated)

XOR Equal, Shuffling Parities, Airline Restrictions, Travel Pass

SnackDown 2021 - Online Qualifiers

Lucky Number

SnackDown 2021 - Online Round 1A

Round Robin Ranks , Min Max LCM, Equal Beauty, Dance Moves

SnackDown 2021 - Online Round 1B

Queens Placement , Largest Laddu, Help Nishant

November Challenge 2021 Division 2 (Unrated)

Maximise the bridges, Equal Coins, Weird Palindrome Making, Hill Sequence

December Challenge 2021 Division 2 (Unrated)

List of Lists, Valleys and Hills

CodeChef Starters 22 Division 2 (Rated)

An Interesting Sequence, Even Subset Xor

January Long 2022 - I, Division 2 (Unrated)

Prime in a binary string

January Cook-Off 2022 Division 3

Mask Policy, Hungry Ashish

CodeChef Starters 23 Division 3 (Rated)

Chef and Profits, Subarray Mex, Average of Three

February Long 2022 - I, Division 3 (Rated)

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

May Long One 2022 Division 2 (Unrated)

Pushpa , The Attack of Queen

June Long One 2022 Division 2 (Unrated)

Equal Strings, Alternate Additions

July Long Two 2022 Division 2 (Unrated)

Maximize Difference, To Divide or Not To Divide, Sum of Product 1

Starters 53 Division 2 (Rated)

Make A and B equal

Starters 57 Division 3 (Rated)

Maximum Expression, Even Splits, Non-Negative Product, Two Different Palindromes

Starters 58 Division 3 (Rated)

Break the elements, Remove Bad elements, Add to Subsequence

Starters 59 Division 3 (Rated)

Chef and Happy String , Suspense String, Confusing Concatenations

Starters 84 Division 3 (Rated)

Max count of 1, Elections in Chefland, Max Binary, Melt Gold

Total Problems Solved: 158