Rakesh Kumar

• Username: 4★iamrakesh28
• Country:  India
• Student/Professional:Student
• Institution:Indian Institute of Technology Palakkad Kerala, 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: 30

Current Ratings Graph Old Ratings Graph

1938 (+36)RatingProvisional
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February Challenge 2021 Division 1(2021-02-15 15:00:00)

Global Rank:   82

Cheated in:   

Ratings System Update

(2021-02-15 15:00:00)

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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1938 (-187)RatingProvisional
Rating i Provisional Rating, click to know more

February Challenge 2021 Division 1(2022-12-20 00:00:00)

Global Rank:   82

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 (30)

January Challenge 2018

Maximum Score, Rectangle, K-Concatenation

January Lunchtime 2018

Chef and Game with Sequence

February Challenge 2018

Chef And His Characters, Chef And The Patents, Permutation and Palindrome

February Cook-Off 2018

Chef and Cook-Off

February Lunchtime 2018

Jumping in the hills

March Challenge 2018 DIV 2

Chef and Glove, Minion Chef and Bananas, Minions and Voting, Mix the Colors, A Big Sale

March Cook-off 2018 Division 2

Chef Restores a Matrix, Chef Judges a Competition

April Challenge 2018 Division 2

Weight of Numbers, Highway Crossing, Count Good Prefixes, Average of Pairs, Workers

May Challenge 2018 Division 2

Fake Binary Search, Dibs on Fibs, Xor Again, Mighty Friend, Minimum Deletions

June Challenge 2018 Division 1

Vision

August Challenge 2018 Division 2

Modular GCD, Problem Sort, Sheokand and Number, Spell Bob

November Challenge 2018 Division 1

Appy Loves One, Chef, Primes and Trees (Challenge), Magician versus Chef 2

October Challenge 2018 Division 1

Chef and Surprise Chessboard, Minimize Digitsum, Appy and Balloons

LoC April 2018 (Rated for Division 2)

Perfect Necklace, Cricket Score

Encoder (Rated for Division 2)

Knight Chess, Second Largest Element, Paint the Wall

February Challenge 2019 Division 1

Manhattan Rectangle, Guess It Right, Chef and Secret Ingredients, Art of Balance

June Challenge 2019 Division 1

Sum and GCD, Chef and Ingredients, Intersecting Paths

July Challenge 2019 Division 1

Codechef War, Circular Merging

August Challenge 2019 Division 1

Guddu and his Mother, Encoding, Dilemma

October Mega Cook-Off 2019 Division 1

D-Or

January Challenge 2020 Division 1

Chef and Dynamo, Doraemon, Chefina and Prefix Suffix Sums, English

February Challenge 2020 Division 1

Expected Change, Long Contest and Cook Off Overlaps, (Challenge) Raisins, No Change Required, Chef and Railway Stations

May Challenge 2020 Division 1

Triple Sort, Chef and Bitwise Product

ENIGMA - PLINTH'20 LNMIIT (Rated for all)

Corruption in Freedonia, Gru is Handing Out Bananas, Minion AND Range, Recruit Villagers

July Challenge 2020 Division 1

Chefina and Swaps, Doctor Chef, Missing a Point

RECode 12.0 (Rated for all)

Chef and String, Chef and Walk, Chef and Rotation, Chef and Numbers

January Challenge 2021 Division 2

Fair Elections, Watching CPL, Blackjack, Expected Number of SCCs, Guess the Tiling, Chef and Ants

February Challenge 2021 Division 1

Team Name, Another Tree with Number Theory, Prime Game, Multiple Games, XOR Sums

SnackDown 2021 - Online Qualifiers

Lucky Number

SnackDown 2021 - Online Round 1B

Queens Placement , Largest Laddu, Help Nishant

Total Problems Solved: 123