Amir khan

• Username: 3★amirkpatna
• Country:  India
• Student/Professional:Student
• Institution:Institute of Engineering and Management, Kolkata West Bengal, India
• 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: 18

Current Ratings Graph Old Ratings Graph

1682 (-27)RatingProvisional
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Starters 111 Division 2 (Rated)(2023-12-06 22:00:02)

Global Rank:   917

Cheated in:   

Ratings System Update

(2023-12-06 22:00:02)

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1709 (-36)RatingProvisional
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Starters 63 Division 2 (Rated)(2022-12-20 00:00:00)

Global Rank:   993

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 (18)

December Challenge 2020 Division 2

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

December Cook-Off 2020 Division 2

Self-Destructing Strings, Minimum Attendance Requirement

December Lunchtime 2020 Division 2 (Unrated)

Sed Sequences

Byterace IIT Patna Division 2 (Rated)

The Begining Era Of Cyberverse

January Challenge 2021 Division 3

Fair Elections, Encoded String, Point Of Impact, Chef and Division 3, Watching CPL, Chef and Ants

February Challenge 2021 Division 2

Frog Sort, Team Name, Prime Game, Maximise Function

November Challenge 2021 Division 2 (Unrated)

Weird Palindrome Making, Equal Coins

CodeChef Starters 17 Division 2 (Rated)

New Piece, String Game, Binary Inversion, GCD of Prefixes

CodeChef Starters 19 Division 2 (Rated)

Indivisible Permutation, Distinct Elements

FizzBuzz Division 2 (Rated)

Magical Planks, Can_Reach

December Lunchtime 2021 Division 2

Maximum Trio, Optimal Sorting, Romantic Reversals

February Lunchtime 2022 Division 2

Four Equidistant Points on a Grid, Parallel Processing, Magnet Sort

Starters 35 Division 2 (Rated)

Admins and Shopping, Dark Light

Starters 42 Division 2 (Rated)

Construct An Array , Maximise Set Bits , Minimum or Maximum, Divisible by 3

Starters 43 Division 2 (Rated)

The Optimal Pairs, Distinct Palindrome

Starters 48 Division 2 (Rated)

Fill The Grid, Make Palindrome 2

Starters 63 Division 2 (Rated)

One-XOR Deletions, Make Length 1

Starters 111 Division 2 (Rated)

Beautiful Strings, Reach Codetown

Total Problems Solved: 111