Amit kumar

• Username: 4★ak_kr_47
• Country:  India
• Student/Professional:Student
• Institution:Academy of Technology Kolkata, West Bengal, India
• 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: 13

Current Ratings Graph Old Ratings Graph

1814 (-10)RatingProvisional
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Starters 99 Division 2 (Rated)(2023-07-19 22:15:02)

Global Rank:   923

Cheated in:   

Ratings System Update

(2023-07-19 22:15:02)

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1840 (-39)RatingProvisional
Rating i Provisional Rating, click to know more

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

Global Rank:   816

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 (13)

AlgoManiac - Code For Future Division 3 (Rated)

The Rumbling, Say No To Drugs, Meet In The Median, The Old Saint And Three Questions

SnackDown 2021 - Online Qualifiers

Lucky Number

CodeChef Starters 12 Division 3 (Rated)

K - balanced string, Good Weather, Make it Divisible, Another Shortest Paths Problem, Maximum Points

CodeChef Starters 13 Division 2 (Rated)

Add and Divide, Chef in Vaccination Queue, Maximum Light Up, Magical Doors

October Cook-Off 2021 Division 2

Odd Sum, 01 Subsequence

October Lunchtime 2021 Division 2

Chef and Water Car, Exactly N plus 1 Values

November Challenge 2021 Division 2 (Unrated)

Weird Palindrome Making, Hill Sequence, Equal Coins

November Cook-Off 2021 Division 2

Product Pain, Missing Sums, Make it Divisible

CodeChef Starters 17 Division 2 (Rated)

New Piece, GCD of Prefixes, Binary Inversion

CodeChef Starters 18 Division 2 (Unrated)

Palindromic Binary Numbers, Compare those strings, Make them equal

December Challenge 2021 Division 2 (Unrated)

Valleys and Hills, List of Lists

February Long 2022 - II, Division 2 (Unrated)

Avoid Fixed Points, World Chess Championship, Chef and NextGen, Xor Palindrome

CodeChef Starters 26 Division 2 (Unrated)

Careless Chef, Control the Pollution

CodeChef Starters 34 Division 2 (Rated)

Binary Mismatch, Good Permutation, Binary String Xor, Average Array

Starters 51 Division 2 (Rated)

Adjacent Xors, Split N, Different Medians

Starters 63 Division 2 (Rated)

One-XOR Deletions, Make Length 1

Starters 97 Division 2 (Rated)

Schrodinger Smiley, Triplets Min

Starters 99 Division 2 (Rated)

Card Swipe, Exclusion-Inclusion

Total Problems Solved: 56