Kartik Bhatia

• Username: 4★knightknight
• Country:  India
• Student/Professional:Student
• Institution:JC Bose University Of Science And Technology,YMCA Faridabad, Haryana, 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: 35

Current Ratings Graph Old Ratings Graph

1867 (-58)RatingProvisional
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Starters 212 (Rated)(2025-11-12 22:00:02)

Global Rank:   1027

Cheated in:   

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(2025-11-12 22:00:02)

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1841 (-200)RatingProvisional
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UWCOI 2021 (Rated for all)(2022-12-20 00:00:00)

Global Rank:   239

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 (35)

October Lunchtime 2019 Division 2

Khaled in HIT

November Challenge 2019 Division 2

Hard Sequence, Weapon Value

November Cook-Off 2019 Division 2

Chef Diet

November Lunchtime 2019 Division 2

Planting Trees, Compress the List

December Challenge 2019 Division 2

Plus Multiply, Binary XOR, Easy Subsequence Selection, That Is My Score!, Addition

December Cook-Off 2019 Division 2

Change It

December Lunchtime 2019 Division 2

Stupid Machine, Check Algorithm

January Challenge 2020 Division 2

Chef and Dynamo, Breaking Bricks, Chefina and Prefix Suffix Sums, Equality, Doraemon

February Challenge 2020 Division 2

No Change Required, The Theatre Problem, School of Geometry, Hard Cash, (Challenge) Raisins, Long Contest and Cook Off Overlaps

March Challenge 2020 Division 2

Chef and DAG, Pintu and Fruits, XOR Engine, Ada Bishop 2

March Cook-Off 2020 Division 1

Mysterious Sequence

May Cook-Off 2020 Division 1

Chef, Chefina and Their Friendship

February Lunchtime 2020 Division 2

At the Gates

April Lunchtime 2020 Division 2

Another Birthday Present!, Positive Mex, Chef in Fantasy League

May Lunchtime 2020 Division 2

Weird Walk, Lost Weekends

ENIGMA - PLINTH'20 LNMIIT (Rated for all)

Gru is Handing Out Bananas, Recruit Villagers, Minion AND Range

International Coding Marathon (Rated for all)

Lavanya Loves DFA, Mr Pr in a Dilemma

UWCOI 2020 (Rated for all)

Button Pairs, Find maximum in an Array

June Challenge 2020 Division 2

Chef and Price Control, Chef and String, Chef and Icecream, The Delicious Cake, The Tom and Jerry Game!, Operations on a Tuple, Even Matrix

July Challenge 2020 Division 1

Chefina and Swaps, Chef and Dragon Dens, Missing a Point, Doctor Chef

UWCOI 2021 (Rated for all)

Array Swaps, Hidden Numbers

SnackDown 2021 - Online Qualifiers

Lucky Number, Maximum Number Of Distinct Elements

SnackDown 2021 - Online Round 1A

Min Max LCM, Dance Moves, Round Robin Ranks

Starters 82 Division 2 (Rated)

Find eX, Make A-B Same, Difference Matrix, MIN To MAX

Starters 126 Division 2 (Rated)

Freedom, Permutation Disturbance

Starters 127 Division 2

ABC Conjecture, Superincreasing, Anti-Triangle

Starters 129 Division 2 (Rated)

Palindromic Substrings, Ballon d Or

Starters 131 Division 2 (Rated)

K-Closeness, Dice Deception, Encrypt Value

Starters 132 Division 2 (Rated)

ALIEN-OR, Optimal Flip, Prime Query, GAME 11

Starters 134 Division 2 (Rated)

3out1in, Rock Paper Scissors, Prison Escape, Origin

Starters 135 Division 2 (Rated)

Invert And Equalize, Change A to B

Starters 136 Division 2 ( Rated )

Lexicographically Maximal Prefix AND, Sum of Modes, My First Geometry Problem

Starters 137 Division 1 (Rated till 5-Stars)

Speedrun, Double Trouble

Starters 166 (Rated)

Chefland Library

Starters 212 (Rated)

Exit Door, Binary Flip

Total Problems Solved: 128